nyquist effect plug-ins - audacity wiki

6/2/2015 NyquistEffectPluginsAudacityWiki

http://wiki.audacityteam.org/wiki/Nyquist_Effect_Plugins#Extract_Audio 1/43

NyquistEffectPluginsFromAudacityWiki

TheseareoptionalplugineffectsforAudacity.TheyarewrittenintheNyquistprogramminglanguage(http://web.audacityteam.org/help/nyquist).ToinstallNyquistplugins,seeDownloadNyquistPlugins.

"EffectPlugins"appearintheAudacityEffectmenu(http://manual.audacityteam.org/man/Effect_Menu).Pluginsthatprocessaudiowillusuallybeinthismenu.

Unlessotherwiseindicated,thesepluginsarereleasedunderthetermsoftheGNUGeneralPublicLicense.(http://www.gnu.org/licenses/licenses.html#GPL)

Relatedarticle(s):

DownloadNyquistPluginsmasterpluginlistNyquistAnalyzePluginsNyquistGeneratePlugins

Feedbackandbugreports:

AllnewpluginsaddedtothislistaretestedintheAudacity2.xversion(http://web.audacityteam.org/download)currentatthetime,butmanyoftheolderpluginsarestillinneedoftesting.

PleasereportanybugstotheNyquistsectionoftheAudacityforum(http://forum.audacityteam.org/viewforum.php?f=39)(oralternativelytoourfeedbackemailaddress(http://web.audacityteam.org/contact/#feedback))sotheymaybefixed.SomeNyquistpluginsareunsuitableforprocessinglongaudiotracks.IfaplugincausesexcessivememoryuseandcausesAudacitytofreezeorcrashwhenusedonlongtracks,pleaseletusknowsothatwecaneitherlimittheplugintoshortselectionsoraddanotetotheplugindescriptionsoastowarnotherusersofthepossibility.

Pleasealsoletusknowwhichpluginsyoulikeandfindusefulasthatwillhelpustodevelopthetypesofpluginsthatuserswant.



Audacityversioninformation:WealwaysrecommendusingthelatestAudacity(http://web.audacityteam.org/download/)whichshouldsupportalllistedplugins(unlessotherwisestated).AfewpluginsmayrequireaspecificminimumversionofAudacity.Checktheplugintextbelowforfurtherinformation.

Contents

1Amplify,MixandPanEffects1.1AmplifyLeftorRightChannel1.2BasstoCenter1.3CenterPanRemover1.4ChannelMixer1.5CrossFadeIn1.6CrossFadeOut1.7FadeInandOut1.8Panning1.9Panning(LFO)1.10Panning(random)1.11PseudoStereo1.12RampPanning1.13RepairChannel1.14StereoButterfly(static)1.15StereoButterfly(LFO)1.16StereoButterfly(ramp)1.17StereoWidener

2DelayandReverb2.1BouncingBallDelay2.2BouncingBallDelaywithPanning2.3BouncingBallDelaywithToneShift2.4ReverseBouncingBallDelay2.5ReverseBouncingBallDelaywithToneShift2.6Chimesdelay2.7DelaywithHighPassFilter2.8DelaywithLowPassfilter2.9DelaywithPitchChange2.10DelaywithStereoFlip2.11DelaywithToneShift

3DistortionEffects3.1HarmonicEnhancer3.2TapeSaturationLimiter

4DynamicsProcessing4.1BroadcastLimiterII4.2BroadcastLimiterIII4.3Hyperexp4.4Limiter4.5Limiter(2)



4.6NoiseGate4.7PopMute4.8TextEnvelope

5Filters5.1BandStopFilter5.2ChebyshevTypeIFilter5.3ClassicEQ5.4CombFilter5.5CustomizableEQ5.6DeskEQ5.7HighPassFilterwithq5.8HighPassFilter(LFO)

5.8.1Alternativeversion5.9LowPassFilter(LFO)

5.9.1Alternativeversion5.10LowPassFilterwithQ5.11MultibandEQ5.12Mutron5.13NotchFilter5.14ParametricEQ5.15RandomLowPassFilter5.16ResonantFilter5.17ShelfFilter5.18TenBandEQ

6ModulationEffects6.1DualTapeDecks6.2Flanger(linear)6.3Isochronicmodulator6.4RandomAmplitudeModulation6.5RandomPitchModulation6.6Ringmodulator6.7VariableTremolo

7SequencerEffects7.1AudioSelectionSequencer2

8Time,PitchandTempo8.1ExtractAudio8.2InsertSilence8.3Regularintervalaudiosplitter8.4TempoChange8.5TimeShifter8.6Trim/Extend8.7TurntableWarpingMS

Amplify,MixandPanEffects

AmplifyLeftorRightChannel



(amplr.ny)View(http://web.audacityteam.org/nyquist/amplr.ny)|Download(http://web.audacityteam.org/nyquist/amplr.zip)

Author:DavidR.Sky(http://www.garyallendj.com/davidsky/index.html)

Ifyouhaveastereotrackandwanttoamplifyorattenuateonechannelonlywithoutusingthemouse,thispluginwilldoit.

Parameters:

1. Channel0=leftchannel,1=rightchannel(default0).2. Volume[dB]:amplifyorattenuatethechannel(default0dB,nochangeinvolume).

Note:Audacityhaskeyboardcommandsyoucoulduseinstead:SHIFT+MtoopentheTrackDropdownmenuonthethefocusedtrack,andthenSHIFT+Gtochangethegainonthefocusedtrack,usingupordownarrowtochangefocus.

backtotableofcontents

BasstoCenter

(BassToCenter.ny)View|Download

Author:JvoStuder.

Frequencyselectivefiltertocrossfeed(mix)bassfrequenciestocenter(mono).Requiresstereotracks.

Simulatesthe"EllipticEQ"filterfoundonvinylmasteringconsolesbymeansofafirstorderhighpassfilterinthesidechannel(LRdifference).Thisisusefultobringthebassdrum(orbeatinelectronicmusic)tothecenter.IfbassfrequenciesarepartiallyoutofphasetherewillbesomebasslosswhichcanbecompensatedforwiththeBassBoostshelffilter(typically+0.5dBto+2dBwillbesufficient).

Parameters:

1. CrossoverFrequency:[10500Hz,default=150]2. BassFeedProportion:[20100%,default95]3. BassBoost:[06dB,default0.5]


CenterPanRemover

(centerpanremover.ny)View(http://web.audacityteam.org/nyquist/centerpanremover.ny)|Download(http://web.audacityteam.org/nyquist/centerpanremover.zip)




Removescenterpannedcontentinstereotracksbyinvertingandmakingmono.Canbeusedtomitigatevocalsinmusictracksifthevocalsarepannedtocentre.Optionallyyoucanchooseabandoffrequenciestoinvert,ratherthanthewholechannel.Thismaybelessdestructiveofthecontentpannedawayfromcentre.Theresultingaudioretainstwochannels,butsoundsmonobecausebothchannelsarepannedtocentre.

Parameters:

1. Invertbandorchannel:[0="band",1="channel",default=channel]2. Removefrequenciesabove...:[2020000Hz,default500]3. Removefrequenciesbelow...:[2020000Hz,default2000]

Animprovedversion3ofthispluginisnowincludedwithAudacityatEffect>VocalRemover(forcenterpannedvocals)....ItincludesaHelpscreenandanextraoptiontoretainaspecifiedrangeoffrequencies(soremovingeverythingoutsidethatrange).


ChannelMixer

(channelmixer.ny)View|Download|Type3plugin(UpdatedDec2014)

Author:SteveDaulton.

Amultipurposetoolthatcanperformalmostanytypeofchannelmixingtaskonanunsplitstereotrack.

Typicalusesinclude:

Copyingonechannelofastereotracktotheotherchannel

Convertingastereotrackinto2channelmono

Stereo"widening"(ornarrowing)

Swappingleftandrightchannelsofastereotrack

VocalRemoval

MidSide(http://en.wikipedia.org/wiki/Microphone_practice#M.2FS_technique:_Mid.2FSide_stereophony)decoding.

Thepluginhas15presetsfortheaboveandsimilartasks.Ifthepresetsarenotused,customvaluesforthemixoforiginalleftandrightchannelintheleftandrightoutputscanbeenteredintheparametersaslistedbelow.Allvaluesarepercentageswithapossiblerangeof100%to+100%andalldefaulttozerovalue.



1. fromoriginalLeftchannel(%):2. fromoriginalRightchannel(%):

3. fromoriginalLeftchannel(%):4. fromoriginalRightchannel(%):

TheZipdownloadalsoincludesacomprehensive'FAQ'helpfile.

ListofPresets:

1. Mono(Average):Createsidenticalleftandrightwith50%fromtheLeftchanneland50%fromtheRightchannel.

2. Mono(BothLeft):MakesbothchannelsthesameastheoriginalLeftchannel.3. Mono(BothRight):MakesbothchannelsthesameastheoriginalRightchannel.4. ExtraNarrow:Almostmonobutretainsalittlestereoseparation.5. NarrowStereo:Reducesthestereowidth(requiresthattheoriginaltrackistruestereo).6. WideStereo:Expandsthestereowidth(requiresthattheoriginaltrackistruestereo).7. ExtraWide:Sameas'WideStereo'butmoreextreme.8. CentretoLeft:MovessoundsfromthemiddleofthestereostagetotheLeft.9. CentretoRight:MovessoundsfromthemiddleofthestereostagetotheRight.

10. SwapLeft/Right:Whatitsaysonthetin.11. VocalRemover(L/Rinvert):Removessoundfromthecentreofthestereomixandinvertstheright

channel.12. VocalRemover(mono):Removessoundfromthecentreofthestereomix.13. InvertLeft:InvertstheLeftchannel.14. InvertRight:InvertstheRightchannel.15. MidSideDecode:AsimpleMidSidedecoder.


CrossFadeIn

(Crossfadein.ny?)View|Download

Author:[multiplecontributions]

Despitethenamethiseffectdoesnotperformanautomatic"crossfade"betweentwotracksoradjoiningaudio.InsteadCrossFadeInappliesa"curved"fadethatisdifferentfromthelinearFadein.ThecurveusedisonethatwillresultinequalRMS(average)volumethroughoutthefadedsectionwhenusedinconjunctionwiththe"CrossFadeOut"effect,toperformacrossfade.


CrossFadeOut



(Crossfadeout.ny?)View|Download

Author:[multiplecontributions]

Despitethenamethiseffectdoesnotperformanautomatic"crossfade"betweentwotracksoradjoiningaudio.InsteadCrossFadeOutappliesa"curved"fadethatisdifferentfromthelinearFadeOut.ThecurveusedisonethatwillresultinequalRMS(average)volumethroughoutthefadedsectionwhenusedinconjunctionwiththe"CrossFadeIn"effect,toperformacrossfade.


FadeInandOut

(fadeio.ny)View(http://web.audacityteam.org/nyquist/fadeio.ny)|Download(http://web.audacityteam.org/nyquist/fadeio.zip)


Definethelengthoffadeinandfadeoutselectionswithoutusingamouseorcursorkeys.NoteAudacityhasaSelectionToolbarprovidingascreenreaderfriendlydisplayofselectionstarttimeanddurationwhichyoucoulduseforsimilarpurpose.

Parameters:

1. Fadeintime:[seconds,maximum30]2. Fadeouttime:[seconds,maximum30]


Panning

(pan.ny)View(http://web.audacityteam.org/nyquist/pan.ny)|Download(http://web.audacityteam.org/nyquist/pan.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/pan1.mp3)

Authors:DavidR.Sky(http://www.garyallendj.com/davidsky/index.html),DominicMazzoni

Audacityletsyoupanwiththekeyboardinsteadofthemouse,butifyoupreferthepantomodifythewaveformimmediately,thispluginwillstaticallypanyourstereoaudioanywherebetweenleftandrightchannels.Thereisonlyoneparameter:

1. Panposition:[0=left,1=right,defaultis0.5(centerpanned)]




Panning(LFO)

(panlfo2a.ny)Type3plugin:(improvedversion)View(http://web.audacityteam.org/nyquist/panlfo2a.ny)|Download(http://web.audacityteam.org/nyquist/panlfo2a.zip)


Panningiscontrolledbyalowfrequencyoscillator.Onlyworksonunsplitstereotracks.Pantheaudiotocenterbeforeuseforbestresults.

Parameters:

1. LFOfrequency:[Hz,0.0220,default0.1]2. LFOwaveform:[sine,triangle,saw,invertedsaw,pulse]3. Pulsewaveformdutycycle:[percent,default50]4. LFOstartingphase:[degrees,180+180,default0]5. Leftmostpanposition:[percent,default5]0%=leftchannel,50%=center,100%=rightchannel6. Rightmostpanposition:[percent,default95]0%=leftchannel,50%=center,100%=rightchannel


Panning(random)

(panrand.ny)View|Download


Randomlypansstereoaudiofromonesideofthestereofieldtotheotherjustlikesomeoneisplayingaroundwiththepanningknob.Requiresanunsplitstereotrack.

Parameters:

1. Maximumrandompanningspeed:[Hz,0.0110.00,default0.2]howfasttherandompanningchangesoccur

2. Maximumstereowidth:[percent,0100,default100]howfarawayfromcenterthesignalispanned.0%givesnopanning,100%resultsinthesignalbeingrandomlypannedbetweenhardleftandhardrightpanpositions.


PseudoStereo

(Pseudostereo.ny)View|Download|Type3plugin(RequiresAudacity1.3.4orlater)

Author:SteveDaulton



Astereospatializereffect.Createsanartificialstereoeffectthatcanbeusefulforgivingsome"depth"tomonorecordings.Monotracksmustbeconvertedtoa2channeltrackbeforeusingtheeffect.Todoso,clickabovetheMuteandSolobuttonsintheTrackControlPanel,chooseEdit>Duplicatethenclickonthenameoftheuppertrackandselect"MakeStereoTrack"fromthedropdownmenu.

Parameters:

1. Selectsourcechannel:[Left(upper)orRight(lower)]2. Delayfactor(%):[0to100,default30]Highervalueswillproduceawiderstereoeffectbutmay

soundechoey.3. Effectmix(%):[0to100,default80]0%=Dry(originalsignalwithnoeffect),100%=Wet(effect

andnooriginalsignal).Highersettingswillproduceamorepronouncedstereoeffectbutmayleavea"hole"inthecenterofthestereofield.Lowervaluesproduceamoresubtleeffectwiththeoriginalsignalcenteredmidstage.


RampPanning

(panramp.ny)View(http://web.audacityteam.org/nyquist/panramp.ny)|Download(http://web.audacityteam.org/nyquist/panramp.zip)


Evenlypanyourstereoaudio,startingatonepointinthestereofieldandendingatanother.10correspondsto100%left,0tocenterand+10to100%right.

Parameters:

1. Startposition:from[where10+10,default10]2. Endposition:from[where10+10,default+10]


RepairChannel

(repair_channel.ny)View|Download|Type3plugin(RequiresAudacity1.3.4orlater)

Author:SteveDaulton

Forrepairingdamagetoonechannelofastereotrackbyoverwritingthedamagedregionwithaudiofromtheotherchannel.Selectthedamagedaudioandallowadditionalspaceforcrossfading,thenapplytheeffect.



ThepluginincludesanoptionforStereoSimulationwhichwilloftenmakerepairstostereorecordingslessnoticeable.Fortracksthathavelittleornostereochannelseparationandforsynthesizedtones,bestresultswillprobablybeachievedwithStereoSimulationdisabled.

Parameters:

1. WhichChanneltoRepair:[LeftChannelorRightChannel]TheupperchannelofastereopairistheLeftchannel.

2. StereoSimulation:[EnabledorDisabled]3. CrossfadeTime:[0%to50%]0%willcutdirectlyfromonechanneltotheotherwithoutfading.At

50%thefadeswilloccupytheentireselection.Forthedefault20%fade,theselectionshouldbeatleast40%longerthantheactualdamagetoberepaired.


StereoButterfly(static)

(buttrfly.ny)View(http://web.audacityteam.org/nyquist/buttrfly.ny)|Download(http://web.audacityteam.org/nyquist/buttrfly.zip)


TheoriginalStereoButterflyplugin,thenamecomingfromabutterfly'swings,whichcanbespreadwide(1,fullstereo),closed(0,soundingmono),orsomewhereinbetween.StereoButterflycanevenmirrortheleftandrightchannels(1...thebutterfly'sflipped!).Andalsoanywherebetweentheextremesfrom1to1.

Parameters:

1. Stereowidth[width,between1.0and+1.0]


StereoButterfly(LFO)

(buttrlfo.ny)View(http://web.audacityteam.org/nyquist/buttrlfo.ny)|Download(http://web.audacityteam.org/nyquist/buttrlfo.zip)


SecondintheStereoButterflyseries.Ittakesstereoaudioandmakesitsoundliketheleftandrightchannelsareswitchingbackandforthwitheachother.YoucandefinetheLFO(lowfrequencyoscillator)rate.AsinStereoButterfly(static),1isstereochannelsfullyflippedwitheachother,0soundslikemono,and1isfullregularstereo.Thedifferencehereisthatyoucandefinetwowidths,sodefininghowyouwantthestereotobemanipulatedovertime.Forinstance,from1to+1meansStereoButterflyflipstheleftandrightchannelswitheachotheratthefrequencyyouset.Ifyousetthetwonumbersat0and+1,thestereo



audiowillchangebetweenmonosoundingandregularstereo.Setat1and0,theeffectwillbeoffullyflippedstereochangingtomonosounding.Anyothernumbersyouchoosebetween1and+1willgiveintermediateeffects.

Parameters:

1. LFOfrequency:[between0.01and20Hz]2. Width1:Stereowidthfrom[rangefrom1.00to+1.00]3. Width2:toStereowidth[rangefrom1.00to+1.00]


StereoButterfly(ramp)

(buttrramp.ny)View(http://web.audacityteam.org/nyquist/buttrramp.ny)|Download(http://web.audacityteam.org/nyquist/buttrramp.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/butterflyramp1.mp3)


ThirdintheseriesofStereoButterflyplugins.Aswiththeprevioustwo,0settingsoundslikemono,+1isregularstereo,1isleftandrightchannelsflippedwitheachother.

Selectwhichvaluetostartatandwhichvaluetofinishat.Thedefaultisfrom0to1,whichcreatestheeffectofyourstereoaudiostartingoutsoundingmono,thengraduallywideningtofullstereoastheselectionprogresses.Startandfinishvaluesmaylieanywherebetween1and+1.

Parameters:

1. Spreadstereofrom...[rangefrom1.00to+1.00]2. to:[rangefrom1.00to+1.00]


StereoWidener

(widener.ny)

View(http://web.audacityteam.org/nyquist/widener.ny)|Download(http://web.audacityteam.org/nyquist/widener.zip)


Givestheillusionofwideningstereoaudio.Theeffectproducesdifferentresultsdependingonwhetheryouarelisteningtotheaudiothroughspeakersorheadphones,andthedistancestereospeakersareapart.Thewidenerworksbyinvertingbothleftandrightchannelsofstereoaudio,thenpanningthoseinvertedsignals



somewherebetweenthecenterpanpositionandtheoppositechannel.

Parameters:

1. Invertedsignalvolume:[48dB6dB,default18dB]2. Panposition:[0(center)to100(oppositechannel),default0]3. Timeoffset:[020ms,default0]applyinganoffsetcanenhancetheillusion.


DelayandReverb

Formoredetailsontheunderlyingprinciplesofdelayeffects,pleaseseethispage.

BouncingBallDelay

(bouncingball.ny)View(http://web.audacityteam.org/nyquist/bouncingball.ny)|Download(http://web.audacityteam.org/nyquist/bouncingball.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/bouncingball1.mp3)


Justlikeitsounds.Adelaypluginwhere,likeabouncingball,thebouncesgetfasterandfaster.Youcansettimethatthebouncesincreaseinspeedwitheachdelay,thenumberofbounces,andhowmuchindBthesounddecreaseswitheachbounce.

Parameters:

1. Decayamount[dB]:howmuchquietereachbounceis.2. Delaytime[seconds]:3. Numberofbounces[times]:4. Toneshift(whole)[semitones]:5. Toneshift(cents)[cents]:

Note:Thelatestavailabledelayplugin3inAudacity(http://web.audacityteam.org/download/)includesbouncingballdelayandpitchshifting.butnotpanning.


BouncingBallDelaywithPanning

(bbdelay.ny)View|Download




CombinestheBouncingBallDelaywithapanningeffect.Adelayeffectinwhichtheechogetfaster,likeabouncingball.Eachechoispannedfurtherfromcenterbythedesignatedamount.

Thispluginhasbugsandmayproduceunpredictableresultswithsomesettings,butisbasicallyfunctional.

Parameters:

1. Decayamount[dB]:2. Delaytime[seconds]:3. Numberofbounces[times]:4. Panspreadmovement[move]:definestheextenttowhicheachbouncewillbeincreasinglyfar

fromcenter

Note:Thelatestavailabledelayplugin3inAudacity(http://web.audacityteam.org/download/)includesbouncingballdelayandpitchshifting,butnotpanning.


BouncingBallDelaywithToneShift

(bbdtone.ny)View(http://web.audacityteam.org/nyquist/bbdtone.ny)|Download(http://web.audacityteam.org/nyquist/bbdtone.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/bbdtone1.mp3)|clip2(http://web.audacityteam.org/nyquist/bbdtone2.mp3)


CombinestheBouncingBallDelayandDelaywithToneShiftplugins.Adelayeffectinwhichtheechoesgetfaster,likeabouncingball.Eachechoisshiftedinpitchbythedesignatedamountinsemitonespluscents(hundredthsofasemitone).

Parameters:

1. Decayamount[dB]:2. Delaytime[seconds]:3. Numberofbounces[times]:4. Toneshift(whole)[semitones]:5. Toneshift(cents)[cents]:

Notes:

1. Thevalueforthedecayamount(indB)foranincreasingpitchcanbeleftatthedefault0.However,withdecreasingpitch,thelengthsofthedelaysincreaseovertime,overlappingwitheachother.Inthiscase,clippingcanoccurifthedecayvalueisleftat0.

2. Note:Thelatestavailabledelayplugin3inAudacity(http://web.audacityteam.org/download/)includesbouncingballdelayandpitchshifting.




ReverseBouncingBallDelay

(delayreb.ny)View(http://web.audacityteam.org/nyquist/delayreb.ny)|Download(http://web.audacityteam.org/nyquist/delayreb.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/reversebouncing1.mp3)


Thefastestbouncescomefirst,graduallyslowingdownreverseofthebouncingballdelayeffect.Includesnormalisation.Note:Thelatestavailabledelayplugin3inAudacity(http://web.audacityteam.org/download/)includesreversebouncingballdelaywithoutnormalisation,andalsoincludespitchshifting.

Parameters:

1. Decayamount:[0.005.00dB,default0.50]2. Delaytime:[0.011.00seconds,default0.05]3. Numberofbounces:[1100,default15]


ReverseBouncingBallDelaywithToneShift

(rbbdtone.ny)View(http://web.audacityteam.org/nyquist/rbbdtone.ny)|Download(http://web.audacityteam.org/nyquist/rbbdtone.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/rbbdtone1.mp3)|clip2(http://web.audacityteam.org/nyquist/rbbdtone2.mp3)


Thefastestbouncescomefirstreverseofthebouncingballdelay,andeachbounceistoneshifted.Note:Thelatestavailabledelayplugin3inAudacity(http://web.audacityteam.org/download/)includesreversebouncingballdelayandpitchshifting.

Parameters:

1. Decayamount:[0.005.00dB,default0.05]2. Delaytime:[0.011.00seconds,default0.02]3. Numberofbounces:[1100,default15]4. Toneshift(whole):[24+24semitones,default1]5. Toneshift(cents):[100+100,default0]




Chimesdelay

(chimesdelay.ny)View(http://web.audacityteam.org/nyquist/chimesdelay.ny)|Download(http://web.audacityteam.org/nyquist/chimesdelay.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/chimesdelay1.mp3)|clip2(http://web.audacityteam.org/nyquist/chimesdelay2.mp3)|clip3(http://web.audacityteam.org/nyquist/chimesdelay3.mp3)|clip4(http://web.audacityteam.org/nyquist/chimesdelay4.mp3)|clip5(http://web.audacityteam.org/nyquist/chimesdelay5.mp3)|clip6(http://web.audacityteam.org/nyquist/chimesdelay6.mp3)


Addsrandomdelaytoyouraudio,andrandomlychangesthepitchofeachdelayifyouspecifyanotelist(whichiswherethename'ChimesDelay'comesfrom).

Eachnumberinthenotelistindicateshowmanysemitonesyouraudioshouldbepitchshifted(alongwithmatchingtemposhift).Forexample,0indicatesnopitchshift,12indicatesariseof12semitones(oneoctave),5indicatesdropof5semitones(likegoingfromCdowntoGbelowthatCnote).

Example:IftheaudioyouhaveloadedintoAudacityisC3,theabovenotelistwouldrandomlyproducethefollowingmajorsoundingnotes:

C1C2G2C3E3G3C4D4G4

Ifyoudeletethisnotelist,alistofnoteswillbegeneratedbetweenaloweranduppernumber.Thedefaultvaluesofthesetwonumbersare12semitones(decreaseof1octave)and+24semitones(increaseof2octaves)respectively.

Ifyouraudioisstereo,eachrandomdelaywithrandomvolumeandpitchchangewillalsoberandomlypannedanywherebetweenleftandright.(ItisbestthatyouraudioisfirstpannedtocenterbeforeapplyingChimesDelay.)

Tips:

Addingabitofregulardelayand/orothereffectsbeforeapplyingChimesDelayresultsinarichersound.Ifyouwantaparticularnote(fromthenotelist)toberepeatedmoreoften,youcanenteritmorethanonceinthelist.Ifyousimplywantyouraudiorandomlydelayedwithnomultiplepitchchanges,eitherenterjustonenumberintothenotelist,orenterthesamenumberintotheminimumandmaximumnotesfields.Itispossiblethattotallengthofyourresultingaudiowillbemaximumdelaytime*plus*thedurationofyouroriginalaudio.Thismaybestilllongerifthefinaldelay(s)is/aredecreasedinpitch(resultinginareducedtempo).Warning:Ifyouroriginalaudioisnonmusical,ChimesDelaywillnotmakeitmusical!

Parameters:



1. Chimesnotelist:[defaultlist:24125047121419]2. Minimumnote:[semitonesfrom12to+48]3. Maximumnote:[semitonesfrom12to+48]4. Maximumdelaytime:[secondsfrom0.5to120]themaximumdelayoftherandomdelays5. Minimumvolume:[percentage]theminimumrandomvolumethateachrandomdelaycanhave.If

youwantnorandomamplitudechanges,setthisfieldto100percent.6. Numberofchimedelays:[from1to100]howmanydelayswithinthemaximumdelaytime.

AcknowledgementduetoStevenJoneswhose"HarmonicNoise"generatorpluginisthesourceforNyquistcodetohandleastringinputnotelist.


DelaywithHighPassFilter

(hpdelay.ny)View(http://web.audacityteam.org/nyquist/hpdelay.ny)|Download(http://web.audacityteam.org/nyquist/hpdelay.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/hpdelay1.mp3)


Appliesahighpassfiltertoadelaysothatwitheachsubsequentdelay,thefilter'scutofffrequencyisincreased.Ahighpassfilterattenuatessoundbelowagivencutofffrequency,thereforewhenthispluginisapplied,eachdelaysoundsincreasinglythinandlackingbass.Appliedtoavoice,itmakeseachdelaysoundslikeit'sincreasinglycomingfromatelephone.

Parameters:

1. Decayamount:[024dB,defaultzero]howmuchquietereachsubsequentdelayis2. Delaytime:[05seconds,default0.5]3. Numberofechoes:[130,default10]4. Startcutofffrequency:[1005000,default1000]thehighpasscutofffrequencyatthestartofthe

delay.5. Cutoffincrease:[octaves,0.15.0,default0.5]howmuchtoincreasethefiltercutoffpointwith

eachdelay.


DelaywithLowPassfilter

(lpdelay.ny)View(http://web.audacityteam.org/nyquist/lpdelay.ny)|Download(http://web.audacityteam.org/nyquist/lpdelay.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/lpdelay1.mp3)




Appliesalowpassfiltertoadelaysothatwitheachsubsequentdelay,thefilter'scutofffrequencyisreduced.Alowpassfilterattenuatessoundaboveagivencutofffrequency,thereforewhenthispluginisapplied,eachdelaysoundstohaveincreasingbass.Totheauthor,thishasthepsychoacousticeffectofeachdelaysoundingfurtherandfurtheraway.

BasedonaneffectheardinapopularChertuneinthelate1990sorlater.

Parameters:

1. Decayamount:[024dB,defaultzero]howmuchquietereachsubsequentdelayis2. Delaytime:[05seconds,default0.5]3. Numberofechoes:[130,default10]4. Startcutofffrequency:[10020000,default1000]thelowpasscutofffrequencyatthestartofthe

delay.5. Cutoffreduction:[octaves,0.15.0,default0.5]howmuchtoreducethefiltercutoffpointwith

eachdelay.6. Normalizationlevel:[01.0,default0.95]


DelaywithPitchChange

(delaypit.ny)View(http://web.audacityteam.org/nyquist/delaypit.ny)|Download(http://web.audacityteam.org/nyquist/delaypit.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/pitchdelay1.mp3)|clip2(http://web.audacityteam.org/nyquist/pitchdelay2.mp3)


Adelaypluginexcept,eachdelayispitchshifted.Notethatpitchchangesareaccompaniedbyacorrespondingchangeindurationofeachdelay.

Parameters:

1. Decayamount:[024dB,default0]2. Delaytime:[05seconds,default0.5]3. Numberofechoes:[130,default10]4. Pitchchangefactor:[1.0013.0,default1.1]5. Pitch:increaseordecrease:[default=increase]whethereachdelayisincreasedordecreasedin

pitch6. Normalizationlevel:[0.01.0,default0.95]


DelaywithStereoFlip



(delayfli.ny)View(http://web.audacityteam.org/nyquist/delayfli.ny)|Download(http://web.audacityteam.org/nyquist/delayfli.zip)


Thisisastereodelayeffect:witheachdelay,thestereochannelsareflippedfromlefttorightandviceversa.InspiredbyasoundeffectheardintheopeningtrackofMikeOldfield's"SongsFromDistantEarth."

Parameters:

1. Decayamount:[024dB]2. Delaytime:[05seconds]3. numberofdelays:[1100]4. Normalizationlevel:[01,default0.95]


DelaywithToneShift

(tonedelay.ny)View(http://web.audacityteam.org/nyquist/tonedelay.ny)|Download(http://web.audacityteam.org/nyquist/tonedelay.zip)


Similartopitchshift.nyexceptyoucandefineinsemitoneshowmucheachdelayistobepitchshifted.Ashiftof1semitonemeanseachdelayisincreasedinpitchby1semitone,ashiftof1meansadecreaseof1semitone.Includeswholesemitonesplussemitonecents(hundredthsofasemitone).

Warning!Bothpluginsarebestappliedtorelativelyshortdurationaudio,orfewnumberofdelaysforlongeraudio.OtherwiseAudacitywillbeworkinga_long_time.Samethingseemstohappenifthereisalreadypitchshiftingwithintheaudio.(Thisallmaybesimplymycomputer,whichrunsat233MHz.)


DistortionEffects

HarmonicEnhancer

(enhancer.ny)View|Download|Type3plugin

Author:JvoStuder

Addshighfrequencyharmonicstobrightenverydullrecordingsthatdon'trespondtoEqualization(http://manual.audacityteam.org/o/man/equalization.html).Onalreadygoodrecordings,youcanaddalittleextra"sparkle"or"air".Theharmonicsaregeneratedbysoftclippingthehighfrequencybandasinadiode



limiter,thenrecombiningthissignalwiththeoriginal.

Parameters:

1. EnhancerCrossoverFrequency:[2000to4500Hzdefault=3200]lowerthisforverydullsources,orincreaseittoaddonlyveryslightorsubtlehighfrequencyharmonics.

2. EnhancerDrive:[10to10dBdefault=0]increasethistogeneratemoreharmonicsandviceversa.

3. HarmonicGeneratorMode:[Evenorder,Oddorderdefault=Even]generatesevenharmonicsoroddharmonics.Evenharmonicstendtobelessharsh.

4. EnhancerNoiseGateThreshold:[4016dBdefault=28]increasethistopreventaddingunnecessarynoiseinquieterrecordings.

5. EnhancerMixLevel:[26to+6dBdefault=10]howmuchofthegeneratedharmonicsaremixedintotheoriginalaudio.

6. Output:[Mix(Normal),EffectOnly,EffectLeveldefault=Mix]thetwo"effect"modesletyouseeandhearthegeneratedharmonicsontheirown.Use"EffectLevel"specificallytotestiftheEnhancerDrivelevelissetcorrectly.Edit>UndoandrunHarmonicEnhancerinMix(Normal)modetoapplytheeffect.


TapeSaturationLimiter

(tapesat.ny)View|Download|Type3plugin

Author:JvoStuder

Atapesaturationsimulationeffect.Whenusedasintendedthispluginenhancestheapparentloudnessofanaudiotrack,addingjustalittlecontrolleddistortion,similartotheeffectofrecordingonatapebasedrecorderwitha"hot"signal.Itisbasedonasoftclippinglimiterbutalso"shapes"thehighfrequencyresponse.Theeffectisnotcalibratedforprecisemodellingofarealtaperecorder,butneverthelessshouldbecapableofproducingasimilartonalcharacter.

1. Saturationthreshold:[6to1dB.Default=3dB].Thelevelatwhichthesoftclippingbegins.2. Limitingratio:[1(soft)to4(hard).Default2].The"hardness"oftheclipping.Highvalueswilltend

tocreateamoreharshsound.3. Highfreq.saturationcrossover:[2000to9000Hz.Default=4500Hz)]Thecrossoverfrequency

wherehighfrequencysignalsarelimitedearlierthanlowfrequencysignals.4. Highfreq.saturationreduction:[8to1dB.Default=5dB]Setsbywhatamountthelimitingof

highfrequencysignalsexceedsthatoflowfrequencysignals.Themorenegativethissetting,themorethathighfrequencieswillbeshaped.

5. Automakeupgain:[(choice)OfforOn.Default=Off]Appliesamplificationafterprocessingtomakeupfortheloweringofthepeaklevelproducedbytheeffect.

ItisrecommendedtoNormalize(http://manual.audacityteam.org/o/man/normalize.html)theaudiotrackto0dBbeforeapplyingthiseffectsothattheSaturationthresholdcanbeconvenientlysettoapredictablelevel.




DynamicsProcessing

BroadcastLimiterII

(RFTLimiterII.ny)View(http://audacity.fuchsi.de/download/edgar/radio/limiter/RFTLimiterII.ny)|Download(http://audacity.fuchsi.de/download/edgar/radio/limiter/RFTLimiterII.zip)

Author:Edgarrft

GivesyouthepossibilitytooverdriveanAudacitytrackwithoutintroducinguglydigitaldistortionnoise.TheLimitercutsallpeaksabovethegiventhreshold,roundstheedgestoreduceuglydistortion,whilesimultaneouslyamplifyingthewholetracktothemaximumlimit.Thisisa"softclipping"effect.

Parameters:

1. Threshold:setsthe'cuttingedge'inalinearvolumenumberfrom0.0to1.0

Theminimumthresholdis90dB,soyoucansetthethresholdsliderto0.0andlistento1bitofa16bitrecordingifyouwant.Thepluginhasnomemorylimits,itcanprocessaudiotracksofseveralhoursinlengthwithoutproblems.


BroadcastLimiterIII

(RFTLimiterIII.ny)View(http://audacity.fuchsi.de/download/edgar/radio/limiter/RFTLimiterIII.ny)|Download(http://audacity.fuchsi.de/download/edgar/radio/limiter/RFTLimiterIII.zip)

Author:Edgarrft

Isinprincipleasimilar"softclipping"effectas'BroadcastLimiterII',butaddsanExcitertocontrolorintensifythehighrangedistortion.Thisfunctionisoftendesiredbymusicianstomakee.g.electricguitarsordrumsetssoundmoreaggressive.

Parameters:

1. Exciter:controlsthehighrangedistortioninlinearnumbersfrom1to102. Threshold:setsthe'cuttingedge'inalinearvolumenumberfrom0.0to1.0

Thepluginhasnomemorylimits,itcanprocessaudiotracksofseveralhoursinlengthwithoutproblems.




Hyperexp

(hyperexp.ny)View(http://web.audacityteam.org/nyquist/hyperexp.ny)|Download(http://web.audacityteam.org/nyquist/hyperexp.zip)

Author:StevenJones.

TheHyperexpeffectisatypeofcompression.Highamplitudesectionsofapproximatelyunityarerelativelyunchanged.Lowamplitudesectionsaregreatlyamplified.Theeffectisapartialnullificationoftheamplitudeenvelope.Thereisoneparameter,whichistochoosetonormalizeornot,thedefaultchoicebeing"yes".


Limiter

(Limiter.ny)View|Download|Type1pluginforanyversionofAudacity


A"lookahead"dynamicrangelimitertocompresspeaksthatextendbeyondthesetthresholdvalue.Thisisnota"waveshaper",itisaveryfastcompressorandisabletolimitthemaximumpeakswithminimalharmonicdistortion.

Thislimiterisanidealchoiceforpeaklimitinglivemusicrecordingsduetotheexceptionallylowharmonicdistortion.Forbestresultstheaudioshouldbenormalizedto0dBbeforeapplyingthiseffect.

Parameters:

1. Limitto(dB):(10dBto0dB)Setsthemaximumpeaklevel.Aspeaksintheoriginalaudioapproachthislevelthegainisreducedsoastopreventthepeaksexceedingthesetlevel.

2. Hold(ms):(1to50msDefault=10ms)Holdsthegainatthereducedlevelafterapeakisdetectedsoastopreventthegainfrom"ridingthewaveform"whichwouldcauseharmonicdistortion.

3. MakeupGain(0=No,1=Yes):(Default=1)Whenenabled(setto1)theoutputisamplifiedbyanamountequaltothe"Limit"level.Iftheinputaudiohasapeaklevelof0dB,thepeakoutputlevelwillalsobe0dB.Whendisabledthepeaksarelimitedonly.

ShorterHoldtimesallowthepeakstobetrackedmoreaccuratelyandthelimiterwillrespondfastertothedynamics.IftherearehighlevelsofverylowbassitwillbenecessarytoincreasetheHoldtimetoavoiddistortion.Thedefault10msholdtimeissufficientforfrequenciesdownto100Hzwithoutdistortion.Tocleanlylimithighamplitude,verylowfrequencybass(downto50Hz)theHoldshouldbeincreasedto20ms.Settingtheholdto50msissufficientrightdownto20Hzbutthedelaybeforethegainlevel"recovers"islikelytobetooslowformostmaterial.

Additionalnotes:

Thresholdlevel:TheLimitto(dB)controlhasarangeof10dBto0dB.Theeffectisnotdesignedtoworkbeyondthisrange.Whensetto0dBtherewillbenochangetotheaudio(thoughanyover0



dBaudiowillbeclipped).Ifsetbelow10dBthekneewillbesosoftthatalloftheaudiowillbecompressed,notjustthepeaks.

StereoTracks:Asisnormalforthistypeofeffect,theleft/rightchannelsofastereotrackareprocessedindependently.

Lookahead:Thelimiterlooksaheadforpeaksandwillbegintochangethegainjustbeforethepeakoccurs.Thisensuresthatallpeaks,nomatterhowfasttheyoccur,willbecaught.Thelookaheadtimeisroughlyaquarteroftheholdtime.

Knee:The"hardness"ofthekneedependsonthethreshold(LimitTo)level.Whenthethresholdisclosetozeroahardkneeisusedbutasthethresholdisloweredthekneebecomessoftersoastoprovideasmoothtransitioningainlevelevenwithaveryfastattacktime.Atypicalthresholdlevelofaround3dBwillhavearelatively"softknee"soastoavoidunnecessarydistortion.Thatis,theamountofcompression(compressionratio)progressivelyincreasesastheinputgetslouder.Atthe"Limitto"levelthecompressionratioisinfinite(brickwall)whichensuresthatpeakswillnotexceedthelimit.

Creativeuse:Thelimitercanbeusedonitsown,orcanbeusedtolimitpeaksafterrunningacompressorthatdoesnotuselookahead(suchastheSC4LADSPAcompressor).Thiscanproduce"crisper"compressionthanusingalookaheadcompressorsuchasthestandardAudacitycompressororChris'sdynamicscompressor.

Over0dBinput:Theinputwaveformshouldnotexceed0dB.Over0dBinputsignalsaretreatedasillegalandwillbehardclippedto0dBbeforeprocessingwiththelimiter.Ifnecessary,theAmplifyorNormalizeeffectsshouldberunbeforeapplyingthislimitertoensurethattheinputdoesnotexceed0dB.


Limiter(2)

(limiter2.ny)View|Download|Type3pluginforAudacity1.3.4orlater.


ThesameasLimiter.nyexceptthatthemakeupgaincontrolisamultichoiceselectionratherthanaslider.

Parameters:

1. Limitto(dB):(10dBto0dB)2. Hold(ms):(1msto50msDefault=10ms)3. ApplyMakeupGain:[No,Yes(default)]


NoiseGate



(noisegate.ny)View|Download|Type3plugin


NoiseGatesmaybeusedtocutthelevelofnoisebetweensectionsofarecording.Whilethisisessentiallyaverysimpleeffect,thisNoiseGatehasanumberoffeaturesandsettingsthatallowittobebotheffectiveandunobtrusiveandwellsuitedtomosttypesofaudio.

Parameters:

1. SelectFunction:[ApplytheNoiseGateeffect|Testthenoiselevel|ViewoneoftheHelpscreens].2. StereoLinking:[LinkStereoTracks(gateaudiowhenbothchannelsfallbelowthegatethreshold)|

Don'tLinkStereo(gatechannelsindependently)]3. ApplyLowCutfilter:[No(Donotapplyfilter)|10Hz6dB/octave|20Hz6dB/octave]Removes

subsonicfrequenciesincludingDCoffset.4. Gatefrequenciesabove:[0kHzto10kHz]Appliesthegateonlytofrequenciesabovethesetlevel

whichmaybeusefulforreducingtapehiss,butwillalsointroducesome'phaseshift'.Settingthisbelow0.1kHzwillswitchthisfeatureoff.

5. Levelreduction:[100dBto0dB]Howmuchthegatedsectionsarereducedinvolume.Valuesbelow96dB'shut'thegatetoproduceabsolutesilence.

6. Gatethreshold:[96dBto6dB]Whentheaudioleveldropsbelowthisthresholdthegatewill'close'andtheoutputlevelwillbereduced.Whentheaudiolevelrisesabovethisthresholdthegatewill'open'andtheoutputwillreturntothesamelevelastheinput.

7. Attack/Decay:[10to1000milliseconds]Howquicklythegateopensandcloses.Attheminimum(10ms)thegatewillfullyopenandclosealmostinstantlyastheaudiolevelcrossesthethreshold.Atthemaximum(1000ms),thegatewillbegintoslowlyopen(fadein)1secondbeforethesoundlevelexceedstheThreshold,andwillgraduallyclose(fadeout)afterthesoundleveldropsbelowtheThresholdoveraperiodof1second.Longergatetimes(upto10seconds)maybeachievedusingtextinputratherthantheslider.

Formoredetailedinformationandusagetips,readthehelpfileincludedintheZIPpackage,orthehelpscreensincludedintheplugin.


PopMute

(popmute.ny)View|Download|Type3plugin


Theeffectislikean"upsidedown"NoiseGate.WhereasaNoiseGateattenuatessoundsthatarebelowaspecifiedthresholdlevel,PopMuteattenuatessoundsthatareaboveaspecifiedthresholdlevel.Theeffectcanbeusedtoheavilyattenuateloudsounds.Itmaybeusefulforrescuingrecordingsthatsufferfromloudclicksorpops.



Sounds(suchas'pops')thathaveapeaklevelabovethe'Threshold'levelwillbeloweredtoa'residual'levelsetbythe'MuteLevel'.BeawarethatALLsoundsabovethethresholdwillbeaffected.Takecaretoavoidselectingloudsoundsthatshouldnotbemuted.

Theeffect'looksahead'forpeakssothatitcanbegintolowerthelevelofthesoundsmoothlyashorttimebeforethepeakoccurs.Thisissetbythe'Lookahead'timevalue.Afterthepeakhaspassed,thelevelwillsmoothlyreturntonormaloveraperiodsetbythe'Releasetime'setting.

Toattenuatebriefclicks,timevaluesofaround5msarelikelytoworkwell.Forlargerpops,valuesof10msormoremaysoundbetter.Forreverberantsoundssuchashandclaps,the'Releasetime'maybeincreasedsoastocatchsomeofthereverberation.

Parameters:

1. ViewHelp:[No|Yes](default"No")Viewthebuiltinhelpscreen.2. Threshold:[24dBto0dB](default6dB)Thisisthelevelabovewhichsoundsareactedon

(reducedinlevel)3. MuteLevel:[100dBto0dB](default24dB)Howmuchtoreducethepeaklevelby.4. Lookahead:[1to100milliseconds](default10millisecond)Howfartolookaheadforthenext

"pop"or"crackle".5. Releasetime:[1to1000milliseconds](default10millisecond)Howrapidlyto"release"theeffect

andreturntonormalvolumeafterthepophaspassed.


TextEnvelope

(TextEnvelope.ny)View|Download|Type3plugin(RequiresAudacity1.3.13orlater).


Providesanalternativetothe"EnvelopeTool"thatisaccessibleforvisuallyimpairedandotherusersthatdonotusepointingdevices.Thiseffectprovidesameanstoshapethevolumelevelofatrackorselectionbyfadingfromonecontrolpointleveltothenext.Controlpointsaredefinedbyapairofnumbers,thefirstofwhichsetsthetimepositionofthecontrolpointandtheseconddefinestheamplificationlevel.Initialandfinalamplificationsettingsmayalsobedefined.Helpscreensareavailableinthe'SelectFunction'controlofthiseffect.

Parameters:

1. Selectfunction:[choices:ApplyEffect,ViewQuickHelp,ViewExamples,ViewTips.Default="ApplyEffect"]

2. TimeUnits:[choices:milliseconds,seconds,minutes,percent.Default=seconds]3. AmplificationUnits:[choices:dBorPercent.Default=dB]4. InitialAmplification[Numericinput.Default=none]5. FinalAmplification[Numericinput.Default=none]6. IntermediateControlPointsaspairsoftimeandamplification[Pairsofnumbers.Default=none]



Note:Decimalvaluesmustuseadotasthedecimalseparator.


Filters

BandStopFilter

(bandstop.ny)View|DownloadType3plugin(RequiresAudacity1.3.4orlater).


Abandrejectionfilterthatpassesmostfrequenciesunaltered,butstopsthoseinaspecificrange.

Setthe'CentreFrequency'slider,ortypeinavalueforthecentreofthefrequencybandtoblock.

Setthe'StopBandWidth'todeterminehowwidethecutfrequencybandwillbe.Smallernumberswillproduceanarrower'notch'andlargernumberswillcutabroaderbandoffrequencies.

Thisfilterusessteephighpassandlowpassfilterstoachievethebandstopeffect.Thefiltersiteratetoimprovethebandstopefficiencyfornarrowbandwidthandcantherebyperformclosetototalblockingdowntoalmost1/4octave.

Forevennarrowernotchesanotchfiltershouldbeused.


ChebyshevTypeIFilter

(chebyI.ny)View|Download

Author:KaiFisher

AChebyshevfilter(http://en.wikipedia.org/wiki/Chebyshev_filter)withoptionsforhighpassorlowpassoperation.

TypeIChebyshevfilterscanprovideasteeperrolloff(http://en.wikipedia.org/wiki/Rolloff)thanButterworthfilters(http://en.wikipedia.org/wiki/Butterworth_filter)butattheexpenseofmoreripple(http://en.wikipedia.org/wiki/Ripple_%28filters%29#Frequencydomain_ripple)inthepassband(http://en.wikipedia.org/wiki/Passband).Thepluginprovidesunitygain(exceptforripple)inthepassband.Thispluginiscapableofprovidinganexceptionallysteepcutofftransitionbyselectinga"highorder".

Parameters:

1. FilterType:[choice:Lowpass/Highpass](defaultLowpass)2. "Order:[choice2to30instepsof2](default6)Thehigherthe"order"number,thesteeperthe



cutofftransitionfromthepassbandtostopband(http://en.wikipedia.org/wiki/Stopband).3. CutoffFrequency:[1to48000Hz](default1000Hz).Theactualfilterfrequencyislimitedtohalf

ofthetracksamplerate(theNyquistfrequency(http://en.wikipedia.org/wiki/Nyquist_frequency)).Forexample,ifthetracksamplerateis44100Hz,thensettingtheCutofffrequencytoanyvaluegreaterthan22050willproducethesameresultassettingthefrequencyto22050Hz.

4. Ripple:[0.0to3.0dB](default0.05)Lowervalueswillproducelessrippleinthepassbandattheexpenseofalesssteepcutoff.Highervalueswillproduceasteepercutoffbutwithmorerippleinthepassband.Thedifferenceinrippleandcutoffslopeislikelytobemostnoticeablewithloworderfiltersandmaybenoticedasaslightboostorringinginthepassbandjustbeforethecutofffrequency.

WhenRippleissettozero,thepassbandresponseisessentiallyflatandthefilterhasthecharacteristicsofaButterworthfilter.

Thehighpassandlowpassfiltersmaybeusedoneaftertheothertoproducea"flattopped"bandpass(http://en.wikipedia.org/wiki/Bandpass_filter)effect,inwhichthelowercutoffisprovidedbythehighpassfilterandtheuppercutoffprovidedbythelowpassfilter.Thepassbandisthefrequencybandthatpassesbetweenthesetwocutofffrequencies.


ClassicEQ

(15bandEQ.ny)View(http://web.audacityteam.org/nyquist/15bandEQ.ny)|Download(http://web.audacityteam.org/nyquist/15bandEQ.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/15bandEQ1.mp3)|clip2(http://web.audacityteam.org/nyquist/15bandEQ2.mp3)

Authors:JosuEtxeberriaandDavidR.Sky.

AnEqualiser(EQ)thatcanmodifymorethanonebandatatime.Youhave15bandstochoosefromandcanmanipulateallofofthemindependentlybymovingtheirsliders.

Exampleclips:clip1isaphrasespokentwice,firstwithnoequalisationandthenwiththefivelowestfrequencybandsraised10dBinclip2,thefivehighestfrequencybandsareraised10dB.


CombFilter

(comb.ny)View(http://web.audacityteam.org/nyquist/comb.ny)|Download(http://web.audacityteam.org/nyquist/comb.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/comb1.mp3)


Thename'comb'filtercomesfromhowitactsontheaudiospectrumit'sappliedto:itlookslikeacombwiththeteethpointingup.Forexample,ifyousetthecombfrequencyat1000Hz,thecombfilteremphasizes1000Hzaswellas2000,3000,4000Hzandsucceedingfrequencies.Producesan'airy'effect,



whichismorepronouncedthehigherthecombdecayvalueisset,andresonanceisincreasinglyproducedaswell.

Acombfiltercanbeproducedusingflangerlikesettingsonadelayeffect,butthisfilterdoesnotuseadelaytogettheresult,soitdoessoundsomewhatdifferent.

Parameters:

1. Combfrequency:[Hz,205000,default440]2. Combdecay:[00.1,default0.025]3. Normalizationlevel:[0.01.0,default0.95]


CustomizableEQ

(eqcustom.ny)View(http://web.audacityteam.org/nyquist/eqcustom.ny)|Download(http://web.audacityteam.org/nyquist/eqcustom.zip)


Parameters:

1. Centerfrequency:[Hz,2020000,default440]2. Bandwidthinoctaves[octaves,0.15.0,default1.0]3. Gain:[dB,48.0+48.0,default0.0]4. Applynormalization?[Default="no"]5. Normalizationlevel:[0.01.0,default0.95]


DeskEQ

(deskeq.ny)View|Download

Author:SteveDaulton

ThisEQismodelledontheEQsectionoftheAllen&Heath(TM)GLseriesmixingdesk.

Itisa4bandEQ(equaliser)withtwosemiparametricmidsandprovidesindependentcontroloffourfrequencybandsplusalowfrequencyrolloffswitch(HPF).Allen&Heath(alongwithSoundcraftandNeve)arewellknownfortheirdistinctive"BritishEQ(http://en.wikipedia.org/wiki/British_EQ)".Thetwo"mid"filtersarebellshapedpeak/dipfilterswhichaffectfrequenciesaroundacentrepointwhichcanbesweptfrom500Hzto15kHz,and35Hzto1kHzrespectively.Thewidthofthebandisselectedtoprovideeffectivecontrolforbothcreativeandcorrectiveequalisation.



Parameters:

1. 100HzHPF:(+/15dB)attenuatesfrequenciesbelow100Hzby12dBperoctave.Itmaybeusedtoreducelowfrequencynoisesuchasmicrophonepopping,stagenoiseandtapetransportrumble.

2. HFGain:setsthegainofthehighfrequencyshelffilterwhichboostsorcutshighfrequencies.Positivevalueswilltendtomakethesound"brighter".Negativevalueswilltendtomakethesoundlessbright.

3. HighMidFrequency:(500Hzto15kHz)setsthecentrefrequencyofthehighmidbandfilter.4. HighMidGain:(+/15dB)setsthegainofthehighmidbandfilter.5. LowMidFrequency:(35Hzto1kHz)setsthecentrefrequencyofthelowmidbandfilter.6. LowMidGain:(+/15dB)setsthegainofthelowmidbandfilter.7. LFGain:(+/15dB)setsthegainofthelowfrequencyshelffilter.Positivevalueswilltendtogive

thesoundmorebassandnegativevalueswillreducethebass.


HighPassFilterwithq

(highpass2.ny)View(http://web.audacityteam.org/nyquist/highpass2.ny)|Download(http://web.audacityteam.org/nyquist/highpass2.zip)


Ahighpassfilterwithq,orresonance.Ahighpassfilterattenuatesfrequenciesbelowagivencutoffpoint.Thehigherqis,themorethecutofffrequencywillresonate(produceatone).Appliedtowhitenoise,boththisfilterandthelowpassfilterwithQcanbeusedtoproducewindlikesoundsataconstantfrequency.Seethehighpassfilter(LFO)andlowpassfilter(LFO)forabilitytomodulateafixedresonancecutofffrequency.

Parameters:

1. Cutofffrequency:[2010000Hz,default1000]2. Filterq(resonance):[05,default1]


HighPassFilter(LFO)

(hplfo.ny)View(http://web.audacityteam.org/nyquist/hplfo.ny)|Download(http://web.audacityteam.org/nyquist/hplfo.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/lfohp1.mp3)|clip2(http://web.audacityteam.org/nyquist/lfohp2.mp3)




Ahighpassfilterwithalowfrequencyoscillator(LFO).Ahighpassfilterattenuatesfrequenciesbelowagivencutoffpoint.TheLFOinthispluginmodulatesthecutofffrequencyupanddown,likeonanelectronicsynthesizer.

Parameters:

1. LFOfrequency:[020Hz,default0.2]definesthespeedoftheoscillation,higherisfaster2. Lowercutofffrequency:[2020000Hz,default160]3. Uppercutofffrequency:[2020000Hz,default2560]4. LFOstartingphase:[180to+180degrees,default0]

Exampleclip1:LFOfrequencyof1.0Hz,lowerfrequency113Hz,upperfrequency3620Hz,appliedto110Hzsquarewave.Exampleclip2:LFOfrequencyof5.0Hz,lowerfrequency113Hz,upperfrequency3620Hz,appliedthreetimestoavoice.

Alternativeversion

(lfohp.ny)View(http://web.audacityteam.org/nyquist/lfohp.ny)|Download(http://web.audacityteam.org/nyquist/lfohp.zip)


Parameters:

1. Centercutofffrequency:[20to20000Hz,default640]2. LFOdepth(radius):[0.0to10.0,default1]howfar(inoctaves)fromcenterfthefiltersweeps.3. LFOfrequency:[0.0to20.0,default0.2]4. LFOstartingphase:[180to+180degrees,default0]


LowPassFilter(LFO)

(lplfo.ny)View(http://web.audacityteam.org/nyquist/lplfo.ny)|Download(http://web.audacityteam.org/nyquist/lplfo.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/lfolp1.mp3)|clip2(http://web.audacityteam.org/nyquist/lfolp2.mp3)|clip3(http://web.audacityteam.org/nyquist/lfolp3.mp3)|clip4(http://web.audacityteam.org/nyquist/lfolp4.mp3)


Alowpassfilterwithalowfrequencyoscillator(LFO).Alowpassfilterattenuatesfrequenciesaboveagivencutoffpoint.TheLFOinthispluginmodulatesthecutofffrequencyupanddown,likeonanelectronicsynthesizer.



Parameters:

1. LFOfrequency:[020Hz,default0.2]definesthespeedoftheoscillation,higherisfaster2. Lowercutofffrequency:[2020000Hz,default160]3. Uppercutofffrequency:[2020000Hz,default2560]4. LFOstartingphase:[180to+180degrees,default0]

Exampleclips13:LFOfrequencyof0.2Hz,lowerfrequency320Hz,upperfrequency1280Hz,appliedtowhitenoiseonce,twiceandthreetimesrespectively.Exampleclip4:LFOfrequencyof1.0Hz,lowerfrequency320Hz,upperfrequency1280Hz,appliedto640Hzsquarewave.

Alternativeversion

(lfolp.ny)View(http://web.audacityteam.org/nyquist/lfolp.ny)|Download(http://web.audacityteam.org/nyquist/lfolp.zip)


Parameters:

1. Centercutofffrequency:[2020000Hz,default640]2. LFOdepth(radius):[0.0to10.0,default1]howfar(inoctaves)fromcenterfthefiltersweeps.3. LFOfrequency:[0.0to20.0,default0.2]4. LFOstartingphase:[180to+180degrees,default0]


LowPassFilterwithQ

(lowpass2.ny)View(http://web.audacityteam.org/nyquist/lowpass2.ny)|Download(http://web.audacityteam.org/nyquist/lowpass2.zip)


Alowpassfilterwithq,orresonance.Alowpassfilterattenuatesfrequenciesaboveagivencutoffpoint.Thehigherqis,themorethecutofffrequencywillresonate(produceatone).Appliedtowhitenoise,boththisfilterandthehighpassfilterwithQcanbeusedtoproducewindlikesoundsataconstantfrequency.Seethelowpassfilter(LFO)andhighpassfilter(LFO)forabilitytomodulateafixedresonancecutofffrequency.

1. Cutofffrequency:[2010000Hz,default1000]2. Filterq(resonance):[05,default1]




MultibandEQ

(multibandeq.ny)View(http://web.audacityteam.org/nyquist/multibandeq.ny)|Download(http://web.audacityteam.org/nyquist/multibandeq.zip)


Selecttotalnumberofbands(T,from2to30),bandnumber(1to30,dependingonhowmanytotalbandsTyouchose),andapplygain(24to+24db).DetermineswidthofbanddependingontotalbandnumberTyouchose.


Mutron

(mutron.ny)View(http://web.audacityteam.org/nyquist/mutron.ny)|Download(http://web.audacityteam.org/nyquist/mutron.zip)

Author:StevenJones.

LooselybasedontheMutronstompboxfromthelate70's.Basicallyitisafiltercontrolledbyanenvelopefollower.

Parameters:

1. Center/Cutoff:[010000Hz,default100]setsthestaticfilterfrequency2. Depth:[10000+10000Hz,default5000]setsthenegativeorpositivefiltermodulationdepth3. BandWidth:[50400Hz,default100]controlstheresonance,lowervaluesbeingmoreresonant4. Mode:[0="Low"1="High"2="Notch"3="Band"(default)]setsthefiltermode:0="Lowpass",1

=Highpass,2=BandReject(cutanotchatthefilterfrequency),3=BandPass


NotchFilter

(notch.ny)View(http://web.audacityteam.org/nyquist/notch.ny)|Download(http://web.audacityteam.org/nyquist/notch.zip)

Authors:SteveDaultonandBillWharrie.

Likeitsnamesuggests,anotchfiltercutsouta"notch"inthespectrumofyouraudio.Thedefaultfrequency(60Hz)canremovemuchofthehumthatrecordingscanacquirefrom60Hzmainssupply(asusedinNorthandCentralAmericaandmuchofSouthAmerica).YoucansetFrequencyto50Hzto



counteractmainshuminothercountries.Seechartofmainsfrequenciesbycountry(http://en.wikipedia.org/wiki/Mains_power_around_the_world#Table_of_mains_voltages_and_frequencies).

Filterfrequenciesabove10000Hzmaybeenteredbytypingthevaluebutareonlyvaliduptohalfofthesamplerateoftheaudiobeingprocessed.Qvaluesoutsideofthesliderrangecanbeenteredbytypingthevaluesbutmustbegreaterthan0.01.

Parameters:

1. Frequency:[010000Hz,default60Hz]2. Q:[0.120.00,default1.00]determinesthewidthofthenotch.Below1createsawidernotch,

above1createsanarrowernotch.


ParametricEQ

(Parametric.ny)View|Download

Author:SteveDaultonandBillWharrie

Aparametricequalizerisavariableequalizereffectwhichprovidescontrolofthreeparameters:amplitude,centerfrequencyandbandwidth.Thispluginprovidescontrolofonefrequencybandthatcanbe"tuned"toauserdefinedcenterfrequency.Thewidthoftheaffectedfrequencybandmaybeadjustedwiththe"Width"controlandthedefinedfrequencybandmaybeboostedorattenuatedaccordingtothe"Gain"control.

Parameters:

1. Frequency(Hz):[10to10000Hz,default1000Hz]setsthecenterfrequencyofthefilter2. Width:[0to10,default5]determinesthewidthoftheaffectedfrequencyband.Greaterwidth

settingsaffectabroaderrangeoffrequencies.Smallerwidthaffectsanarrowerbandoffrequencies.Numericallythewidthsettingisapproximatelythehalfgainwidthinhalfoctaves,thusthedefaultsettingof5hasahalfgainwidthofapproximately2.5octaves.

3. Gain(dB):[15to+15dB,default0dB(noeffect)]howmuchthefiltercenterfrequencyisboostedorattenuated.


RandomLowPassFilter

(randomlp.ny)View(http://web.audacityteam.org/nyquist/randomlp.ny)|Download(http://web.audacityteam.org/nyquist/randomlp.zip)




Likesomeoneisplayingaroundwiththecutofffrequencyknobofyourlowpassfilter.Becauseofthewaytherandomsignalisgenerated,thelowerthemaximumspeedis,thehigherthedepthfactormustbetoproduceasimilardepthoffilteringchanges.Ifyougeneratewhitenoisethenapplythiseffect,youcantosomeextentsimulateconstantpitchwindnoise.

Parameters:

1. Maxfiltersweepspeed:[0.0110.0Hz,default0.2]maximumspeedoftherandomfiltercutoffchanges

2. Filterdepthfactor:[1300,default20]howextremetherandomfiltercutoffchangesare3. Maximumcutofffrequency:[205000H,default2000]thefilter'smaximumcutofffrequency


ResonantFilter

(resonant.ny)View|Download

Author:SteveDaulton

Afilterwithlowpass,highpassandbandpassoptionswitha"resonance"control.

Audiofiltersarecommonlydesignedtohaveasmoothfrequencyresponsethatisessentiallyflatinthepassbandthenrollsofftoalowerlevelinthestopband,butinsomecasesitisdesirabletouseafilterthathasapeakandaccentuatesfrequenciesclosetothedefinedfilterfrequency.Suchfiltersarecommonlyusedinsoundsynthesistocause"ringing"atspecifiedfrequencies.Thistendstobemosteffectivewithsoundsthathavecomplexfrequencycontent,suchasnoise.

Parameters:

1. Filterfrequency:[1to20000Hz](default:1000Hz)Thecornerfrequencyofthefilter.ThefrequencymustbebelowtheNyquistFrequency(halfthesamplerate)oranerrormessagewillbedisplayed.

2. Resonance(Q):[0.1to100](default:10)Theamountofresonance.Highervalueswillproduceamorepronouncedandnarrowerpeakatthecornerfrequency.Lowervalueswillproducealessprominantpeakwithvaluesbelow0.7showingnopeakatall.

3. Filtertype:[choice:LowPass,HighPass,BandPass](default:LowPass)Lowpassallowsfrequenciesbelowthecornerfrequencytopassthroughthefilterandreducesfrequenciesabovethecorner.HighPassallowsfrequenciesabovethecornertopassandreducesfrequenciesbelowthecorner.BandPassreducesfrequenciesthatarebelowthecornerandreducesfrequenciesthatareabovethecorner,allowingonlyabandoffrequenciesaroundthecornerfrequencytopass.

4. OutputGain:[60to0dB](default12dB)Becausetheresonanceaccentuatesfrequenciesaroundthecornerfrequencyitisoftennecessarytoreducetheoutputlevelofthiseffect.Lower(morenegative)valuesreducethelevelmore.




ShelfFilter

(shelf.ny)View|Download

Author:SteveDaulton

Ashelffilterwithoptionsforhighshelf,lowshelformidband.

Lowshelffilterpassesallfrequencies,butincreasesorreducesfrequenciesbelowtheshelffrequencybyspecifiedamount.Highshelffilterpassesallfrequencies,butincreasesorreducesfrequenciesabovetheshelffrequencybyspecifiedamount.Midbandshelffilterpassesallfrequencies,butincreasesorreducesfrequenciesbetweenthelowandhighcutofffrequenciesbyspecifiedamount.

Parameters:

1. Filtertype:[lowshelf/highshelf/midband]specifieswhichtypeoffilter2. Lowfrequencycutoff:[1to10000Hz]Thecornerfrequencyforthelowshelffilter,orthelower

cornerfrequencyforthemidbandfilter.3. Highfrequencycutoff:[0.1to20kHz]Thecornerfrequencyforthehighshelffilter,ortheupper

cornerfrequencyforthemidbandfilter.Thehighfrequencycutoffmustbelessthanhalfthetracksamplerate.

4. Filtergain:[+/30dB]howmuchtoboostorcutthefilteredaudio.Positivevaluesbootandnegativevaluesreducethelevel.


TenBandEQ

(10bandeq.ny)View(http://web.audacityteam.org/nyquist/10bandeq.ny)|Download(http://web.audacityteam.org/nyquist/10bandeq.zip)


AnEqualiser(EQ)thatcanmodifyonebandatatime.Selectthebandnumber(1to10)andgain(24to+24dB).


ModulationEffects

DualTapeDecks

(dualtapedecks.ny)View(http://web.audacityteam.org/nyquist/dualtapedecks.ny)|Download(http://web.audacityteam.org/nyquist/dualtapedecks.zip)




Simulatestwotapedecksplayingidenticaltapes,butoutofsynchronisationwitheachother.WrittentoproduceaneffectIheardinthelate1970s:Irecordedthenplayedidenticalaudioontwomonotapedecks.Therewasanamazing"whooshing"effectasonetapedeck"caughtup"withandpassedwhattheothertapedeckwasplaying.Thispluginallowsthe"whooshing"togobackandforth.Differenteffectsaremadeusingmonosoundingvs."true"stereoaudio.

Theplugincanproducesomeinterestingstereoeffects,thoughnotethatduetothegreater"crosstalk"ofspeakers,listeninginspeakersandheadphoneswillsounddifferent.Stereoflangerlikeeffectscanbemadeby(forexample)applyingdualtapedecks.nytoaudio,applyingStereoButterfly(static)withaspreadvalueofzero(soundsmonoafterapplying),thenapplyingdualtapedecks.nyasecondtimewiththesamesettingsasthefirsttime.Thispluginwillworkonmonoaudioaswell,buttheonlyeffectwillberisingandfallingchangesinpitchandtempo.

Parameters:

1. LFOfrequency:[Hz,0.001to25.000]2. Startingphase:[degrees,180to+180,default0]3. Phasedifference:[degrees,0to360,default180]4. Depth:[0.001to2.000]Thelargerdepthis,themorepronouncedthepitchandtemposhiftbecome

untilthereisanoticeablewarble.


Flanger(linear)

(flangerl.ny)View|Download


Unlikearegularflanger(whichcyclesupanddownrepeatedly),thisplugincreatesasinglehighfrequencyflange,andyoucansetthepositionofthathighfrequencypoint,anywherebetweenthestartandendoftheselectionandbeyond.Thepluginworksbymixingtheoriginalselectedaudiowithaslightlyshrunk(shorter)versionofitself.

Worksonmonoandstereoaudio.

Parameters:

1. Highfrequencyflangeposition:[percent,100to+200,default0]thepositioninthesignalwherethehighfrequencyportionoftheflangeisheard.Ifsetto0%,thehighfrequencywillbeatthestartoftheselectionat50%intheexactmiddleat100%,attheend.Ifyousetthisvaluebelow0%orabove100%,youwon'thearthehighestflangefrequencypeakbutwillhearafallingorrisingflangeeffect,asifthepeaklayoutsidethestartorendoftheselection.

2. Timedecrease:[milliseconds,0.1to200,default5.0]howmuchthelengthoftheoriginalselectionisdecreased.

3. Wetlevel:[percent,1to99,default50]the'wet'signalistheshortenedsignal,andthewetlevelis



howmuch(inpercent)tomixwiththedry(unaltered)audio.4. Wet:invertedorpositive:[0=inverted,1=positive,defaultpositive]


Isochronicmodulator

(isomod.ny)View|Download

Author:SteveDaulton

Avariabletremoloplugincustomisedwithcontrolsforlengthandfadein/outspeedofeachpulse.Themodulationfrequency(speed)anddepthtransformgraduallyfromtheinitialsettingstothefinalsettings.Amodifiedsquarewaveisusedasthemodulationwaveform.

Theeffectistypicallyappliedtoasingletonetocreateisochronictones(http://en.wikipedia.org/wiki/Isochronic_tones).Theauthorsuppliesthepluginonlyasademonstrationofaudioprocessingwithoutendorsingorclaiminganyrelevancetothetheoryorpracticeofbrainwaveentrainment(http://en.wikipedia.org/wiki/Brainwave_entrainment).

Parameters:

1. PulseWidth:[percent,0100,default40]Howlongeachpulsewillbe"on".Highervalueswillmakethesound"on"forlonger.50%givesa"squarepulse"wherethesoundwillbeonforhalfthetime.

2. FadeTime:[percent,0100,default15]adjuststhefadeinandfadeoutspeedofthepulse.Highervaluesproduceamoregradualfadeinandoutofthepulses.At100%thefadein/outtimeswillbehalfofthepulsewidth.At0%therewillbenofade.

3. InitialModulationFrequency:[Hz,120,default7.0]4. FinalModulationFrequency:[Hz,120,default2.0]5. InitialModulationDepth:[percent,0100,default100]6. FinalModulationDepth:[percent,0100,default100]


RandomAmplitudeModulation

(randomamp.ny)View(http://web.audacityteam.org/nyquist/randomamp.ny)|Download(http://web.audacityteam.org/nyquist/randomamp.zip)


SimilartoRandomPanning,thistimeplayingaroundwiththevolumeknob.Becauseofthewaytherandomsignalisgenerated,thelowerthemaximumspeedis,thehigherthedepthfactormustbetoproduceasimilardepthofamplitudechanges.



Parameters:

1. Maxampsweepspeed:[0.0120.0Hz,default0.5]maximumspeedoftherandomamplitudechanges

2. Ampsweepdepthfactor:[1300,default80]howextremetherandomamplitudechangesare


RandomPitchModulation

(randompitch.ny)View(http://web.audacityteam.org/nyquist/randompitch.ny)|Download(http://web.audacityteam.org/nyquist/randompitch.zip)


Randomlymodulatesthepitchofyouraudio.Aswithotherrandomlycontrolledeffects,thethelowerthemaximumspeedis,thehigherthedepthfactormustbetoproduceasimilardepthofrandomchanges.Thiseffectworksonmonoandstereoaudio.Instereo,eachchannelhasdifferentrandompitchmodulationapplied."Maxpitchmoddepth"canbeexplainedthus:athigherwarpingdepthsettings,pitchmoddepthshouldbemadehigher,otherwisetherewillbemomentaryperiodswithoutpitchchanges.Withlowerwarpingdepthsettingsthisdoesnothappen,andtheeffectcanbereappliedrepeatedlytogivefurtherrandompitchchanges.

Parameters:

1. Warpingdepth:[0.0012.000,default0.100]controlsthenumberofpitchchangesthatoccur2. Maxsweepspeed:[0.0120.0Hz,default0.50]maximumspeedoftherandompitchchanges,

highervaluesincrease"warbling"effect3. Sweepdepthfactor:[1300,default80]howfar4. Maxpitchmoddepth:[0.013.00,default0.50]


Ringmodulator

(ringmod.ny)View|Download


Aringmodulatorisatremoloeffect,butinsteadofusinganLFOtoamplitudemodulateaudio,anaudiosignalisused.Theresultisacombinationofthesumofandthedifferencebetweenthetwoinputsignalfrequenciese.g.,twosinewavesof440Hzand660Hzproducearesultof220Hz(difference)and1100Hz(sum).

Thispluginalsoallowsuseoftriangle,sawtoothandpulsewaveforms,sotheresultsarethesumsanddifferencesbetweentheharmonicsofthemodulatingsignalandharmonicsofthesignalbeingmodulated.



Parameters:

1. Modulationfrequency:[Hz,20to5000,default500]2. Amount:[percent,0to100,default100]3. Waveform:[0=sine,1=triangle,2=sawtooth,3=pulse,defaultsine]4. Pulsebias:[percent,100to+100,default0]ifthepulsewaveformisselected,biasisthepulse

width.Thedefault0givesa"square"wave.Lowervaluesgiveanarrowerpositivesignal,highervaluesawiderpositivesignal.


VariableTremolo

(varitremolo.ny)View|Download

Author:SteveDaulton

Thispluginproducesa"Tremolo"effectinwhichthefrequencyanddepthofthetremolovariesfromaninitialsettingtoafinalsetting.Theeffectmakestheloudness"wobble"andyoucansetthespeedofthewobbleandtheamountthatitwobblesforboththestartoftheselectionandtheendoftheselection.

Parameters:

1. TremoloShape:[sine,triangle,sawtooth,inversesawtooth,square.default="sine"]1. Sine:Thevolumerisesandfallssmoothlyupanddown.2. Triangle:Thevolumealternatesbetweenrisingataconstantrateandfallingataconstantrate.3. Sawtooth:Thevolumerisesabruptlybutfallsgradually.4. InverseSawtooth:Thevolumerisesgraduallybutfallsabruptly.5. Square:Thevolumejumpsabruptlybetweenhigherandlowerlevels.

2. StartingPhase:[0to360degrees,default=90]Thissetsthestartingpointforthetremolocycle.At90degreesthetremolostartsatthehigherlevel.At0degreesthetremolostartsatthelowerlevel.

3. InitialTremoloFrequency:[1to20Hzdefault=4]Thespeedofthetremoloeffectatthestartoftheselection.

4. FinalTremoloFrequency:[1to20Hzdefault=12]Thespeedofthetremoloeffectattheendoftheselection.

5. InitialTremoloAmount:[0to100%default=40]Howmuchtheinitialvolumevariesasapercentageoftheoriginallevel.

6. FinalTremoloAmount:[0to100%default=40]Howmuchthefinalvolumevariesasapercentageoftheoriginallevel.


SequencerEffects

AudioSelectionSequencer2



(seq2.ny)View(http://web.audacityteam.org/nyquist/seq2.ny)|Download(http://web.audacityteam.org/nyquist/seq2.zip)|MP3exampleclip1(http://web.audacityteam.org/nyquist/sequencer1.mp3)|clip2(http://web.audacityteam.org/nyquist/sequencer2.mp3)|clip3(http://web.audacityteam.org/nyquist/sequencer3.mp3)


Developedfromtheprevioussequencers1aand1b(thesecan'tberecommendedduetotheinterfacebeingtootall,anddistortionproblems).Youcanturnanyshortpieceofimported,recordedorgeneratedaudiointoa(repeated)sequenceofnotesbasedonchosentempo,beatspersequenceandsemitonevalues.Anysoundcanbeused(aguitarpluckorbellsound,catmeow,someonesaying"hello",infactanysound).Comeswithan8notedefaultsequencealreadyprogrammedin.Canalsopanstereoaudio,andtransposesuccessivesequences.Togeneratearest,user,n,(),orablanksvpinputline.

Parameters:

1. Tempo:[beatsperminute(default210),beatspersequence(default8),startingoffset(beats)(default0)]

2. Panstereoselection:[0=no1=yes(default)]3. Timingrandomization:[0100plusorminuspercent,default0]4. Numberofrepeatedrandomizedsequences:[08,default0]5. Overalltransposevalue:[(default0),thenforsuccessivemeasures(default00550055)]6. Sequencestogenerate:[196,default4]7. 1stSemitone,volume,panvalue[s]:[default(010)(4.5.2)(7.5.8)(21.5)]8. 2ndSVPvalue[s]:[default(12.5.8)(7.5.2)(411)r]9. 3rd,4th.5thand6thSVPvalue[s]:[filledinbyuser]


Time,PitchandTempo

ExtractAudio

(extract.ny)View(http://web.audacityteam.org/nyquist/extract.ny)|Download(http://web.audacityteam.org/nyquist/extract.zip)


Extractsaudiofromaselectedareawithoutusingamouseorcursorkeys.AudacityhasaSelectionToolbarprovidingascreenreaderfriendlydisplayofselectionstarttimeanddurationwhichyoucoulduseforsimilarpurpose,thispluginprovidesasolution.Italsohasaneasyoptiontoextractapercentageoftheselectedaudio.Forexample,selecting50%"startpercent"and100%"endpercent"willleaveyouwithonlythelasthalfofyourselection.



Parameters:

1. Timeorpercent?2. Starttime:[seconds,maximum600]3. Endtime:[seconds,maximum600]4. Startpercent:5. Endpercent:


InsertSilence

(InsertSilence.ny)View|Download

Author:SteveDaulton

Thiseffectinsertssilenceatthestartoftheaudioselection.Thelengthofinsertedsilenceisequaltothelengthoftheselection.ThiseffectmaybeusefulinsituationswhereitisnecessarytoinsertalotofsilencesbecauseAudacity(2.0.1andlater)allowkeyboardshortcutstobesetforeffects(see:http://manual.audacityteam.org/o/man/keyboard_preferences.html#change)

Thiseffecthasnocontrols.


Regularintervalaudiosplitter

(equasplit.ny)View|Download


Previouslycalled"Audiochunker".Splitsaudiointodesirednumberofsegmentsbyinsertingsilencesofspecifiedduration(upto10.0seconds).Youcanalsospecifyfadeinandfadeoutlengthsforeachsegment.Bysettingnumberofsegmentsto'1'youcanuseaudiosplittertoapplyaspecifiedfadeinandfadeouttoasinglelengthofaudioinoneaction.

Parameters:

1. Numberofaudiosegments:[1to120,default10]2. Silencedurationbetweensegments[seconds]:[0.01to10,default1]3. Fadein/fadeoutlength[milliseconds0=nofade]:[0to500,default20]




TempoChange

(tempo.ny)View(http://web.audacityteam.org/nyquist/tempo.ny)|Download(http://web.audacityteam.org/nyquist/tempo.zip)|MP3exampleclip(http://web.audacityteam.org/nyquist/tempo1.mp3)


ForthosewhoareconfusedbyAudacity's"ChangeSpeed"effectwheretomakethetempotwiceasslowyouapplya50%changeandtomakeittwiceasfastapplya100%change,trythisplugin.Itsdefaultsettingsmultiplythetempoby0.5,makingthetempotwiceasslow(dividingby2.0hasthesameeffect).Tomakethetempotwiceasfast,simplymultiplyby2.0(ordivideby0.5).Thedefaultsetting(theoppositeofAudacity's"ChangeSpeed"default)mightbehandyforexampletoreturntapesdubbedat2xspeedtonormalspeed.

Parameters:

1. Tempochangefactor:[0.1to8.0,default0.5]2. Multiplyordivide:[0=multiply(default),1=divide]multipliesordividesbythetempochange

number.


TimeShifter

(timeshif.ny)View(http://web.audacityteam.org/nyquist/timeshif.ny)|Download(http://web.audacityteam.org/nyquist/timeshif.zip)


ApluginforperformingthesametaskastheTimeShiftToolinAudacity,withoutusingamouse.Theeffectworksthus:iftheshiftvalueispositive,silenceisinsertedbeforetheselection.Iftheshiftvalueisnegative,audioisremovedfromthestartoftheselection.Ifyourselectedtrackismono,setthevalueintheleft/monoeditfield,ifyourtrackisstereo,setthevaluesinboththeleft/monoandrightchannelshiftvaluefields.Settingslightlydifferentvaluesinbothfieldswhenyouhaveastereotrackcanbeusedforspecialeffect.

Notethatpositiveshiftscanleadtotheaudiobeingtruncatedattherightedgewhenshiftingastereotrack.Toavoidthis,splitthestereotrackusingtheTrackDropdownMenu,selecteachtrackinturnandapplytheshiftyouwantusingtheMono/leftchannelshiftfield.Iftheaudiostartsaftertimezeroandisprecededbyemptyspace,converttheemptyspacetosilencewithProject>QuickMixinlegacyAudacityuptoandincludingversion1.3.13.IncurrentAudacity(http://web.audacityteam.org/download/),selectthetrack,pressJ,thenpressSHIFT+HOME,thenGenerate>Silence.Thispreventstruncationoftheaudioprovidingthereissufficientsilenceatthestartofthetrack.

Parameters:

1. Mono/leftchannelshift:[1000+1000,default0]



2. Rightchannelshift:[1000+1000,default0]3. [0=milliseconds1=seconds](defaultismilliseconds)


Trim/Extend

(TrimExtend.ny)View|Download

Author:SteveDaulton

Thisplugincantrimaudiofromthestartand/orendofatrack(ortrackselection),orpadthestartand/orendwithsilence,oranycombinationofthetwo.TheeffectcanbeusedinaChain(http://manual.audacityteam.org/o/man/chains_for_batch_processing_and_effects_automation.html)forbatchprocessing.

Parameters:

1. Timeunits:[samples,milliseconds,seconds(default),minutes]Thisselectionsetsthetimeunitsforthefollowingtwocontrols.

2. Trim/Extendstartby:[100to+100,default0]Howmuchaudiototrim(delete)fromthestartofthetrackselection,orhowmuchsilencetoaddtothestartoftheselection.Movetheslidertotheleftortypeanegativevaluetoremoveaudio.Movetheslidertotherightortypeapositivevaluetoaddsilence.

3. Trim/Extendendby:[100to+100,default0]Howmuchaudiototrim(delete)fromtheendofthetrackselection,orhowmuchsilencetoaddtotheendoftheselection.Movetheslidertotheleftortypeanegativevaluetoremoveaudio.Movetheslidertotherightortypeapositivevaluetoaddsilence.

4. Errormessagecontrol:[Showerrors(default)/Hideerrors]Intheeventofanerror,amessagewillnormallybeshowntoindicatewhattheerroris.Forexample,ifyouattempttodeletealongerdurationthantheselection,anerrormessagewillindicatethattheoperationcannotbedone.However,whenusingthiseffectinaChainforbatchprocessing,theerrormessagewillcausetheChaintostopuntiltheerrormessageisacknowledged.Thatbehaviourmaynotbewanted,so"Hideerrors"maybeselectedtosuppresserrormessages.When"Hideerrors"isenabled,ifanerrorisencountered,thepluginwillsilentlyskipthecurrenttrackandcontinuewithanyremainingtracks.


TurntableWarpingMS

(turntablewarpms.ny)View(http://web.audacityteam.org/nyquist/turntablewarpms.ny)|Download(http://web.audacityteam.org/nyquist/turntablewarpms.zip)

Authors:DavidR.Sky(http://www.garyallendj.com/davidsky/index.html),RogerB.Dannenberg



Simulatesunpluggingandplugginginaturntablewhileit'spowered,andrelatedeffectssuchasspeedingitupbeforeunpluggingit.Improvedoverthepreviousturntablewarp.nythisversionletsyouwarpbothmonoandstereoaudio.Thedefaultsettingssimulateunpluggingaturntabletheaudiostartstoslowdownhalfwaythroughtheselectionarea,anddropsto40%oforiginalvolumebytheend.

Parameters:

1. Initialstep:[36+36semitones,default0]theresultingpitchchangeatthestartoftheselection,definedasnumberofsemitonesaboveorbelowtheoriginalpitch(1step=1semitone,so12steps=1octave.)

2. Initialamplitude:[0100percent,default100]theresultingvolumeatthestartoftheselection,relatedtotheoriginalamplitude(so100%=nochange).

3. Changetime:[0100percent,default50]thepointintimeintheselection(setinternallytotheoriginalpitchandvolume)atwhichthewarpingvalueschangetoreachandmoveawayfromthispoint.Whatthismeansisthatdependingonyourstartandendstepandamplitudevalues,youcandesignwarpsthatslowdownthenspeedupspeedupthenslowdownspeeduptoaparticularpitchthenremainthereslowlyspeedupthenquicklyspeedup.

4. Endstep:[36+36semitones,default12]theresultingpitchchangeattheendoftheaudio.comparedtotheoriginalpitch.

5. Endamplitude:[0100percent,default40]theresultingvolumeattheendoftheselection,comparedtotheoriginalvolume.


Retrievedfrom"http://wiki.audacityteam.org/w/index.php?title=Nyquist_Effect_Plugins&oldid=26316"Category: Nyquist

Thispagewaslastmodifiedon19May2015,at07:44.ContentisavailableunderAttribution3.0.

nyquist effect plug-ins - audacity wiki

Documents