limiter6 manual en

7/25/2019 Limiter6 Manual En

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$ &ntroduction ....................................................................................................................... '

$.$ (urpose) structure and *asic eatures ......................................................................... '

$." +otware compati*ilit! ............................................................................................... '

" &nstallation .........................................................................................................................,

".$ &nstallation or Microsot -indows operating s!stem ...............................................,

"." &nstallation or Mac + / operating s!stem ..............................................................,

' Modules and parameters description .................................................................................6

'.$ 0ontrols and indication .............................................................................................. 6

'." +ignal processing chain ..............................................................................................1

'.' G2& elements ............................................................................................................. 3

'.'.$ 0ontrol 4no* ....................................................................................................... 3

'.'." 0ontrol switches ..................................................................................................3'.'.' 5nalog%st!le indicators .......................................................................................

'.7 Glo*al operation mode parameters .......................................................................... $$

'.7.$ +tereo mode parameter ......................................................................................$$

'.7." Latenc! mode parameter ................................................................................... $$

'.7.' 8M+ compressor and pea4 limiter plugging order parameter .......................... $"

'., 8M+ compressor ...................................................................................................... $"

'.6 (ea4 limiter .............................................................................................................. $7

'.1 9: limiter ................................................................................................................. $,

'.3 ;he clipper ............................................................................................................... $6

'. &+( limiter ................................................................................................................ $3

'.$# (ea4 and 9: limiters oversampling ...................................................................... $

'.$$ Localization switch ............................................................................................... "#

5ppendix $. ;han4s to ...................................................................................................... "$

5ppendix ". Latenc! or modules and their operation modes .......................................... ""

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1 Introduction

1.1 Purpose, structure and basic features

Limiter 6 is modular effect designed to limit dynamic range and to suppress peaksin

stereo and mono audio signals.

Limiter 6 contains the ollowing modules) connected in seriesRMS compressor=?

"= ast audio pea4s limiter >peak limiter=?

'= high re@uenc! audio content limiter >HF limiter=?

7= the clipper?

,= true$audio pea4 limiter >ISP limiter"=.

Limiter 6 *asicfeatures0(2 with ++F" support re@uired=?

"= V+;) -indows) 67%*it version?

'= V+;) Mac + /) '"%*it version >&ntel=.

&n some host applications) there can *e pro*lems with using the mouse wheel to change

parameters in Limiter 6. &n the -indows version) in order to use the mouse wheel) the

plugin window must *e active >to activate the window) !ou should clic4 on the window header

or at an! point in the pluginHs window *ac4ground=.

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2 Installation

2.1 Installation for Microsoft Windows operating system

;o install the Limiter 6 eect) simpl! cop! the ILimiter6.dllI ile or the '"%*it

version) or the ILimiter6%67.dllI ile or the 67%*it version) rom the zip%ormat setup archive to

!our Vst(lugins director! >usuall! c


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Modules and parameters description

.1 !ontrols and indication

:or Limiter 6 appearance see pic $) " and '.

Pic 1 !"I #1

Pic $ !"I #1 %ith &n'lish locali(ation

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Pic ) !"I #$ *%ith saved proportions+

;he num*ered elements on pic $) ") ' arei the switch is alread! down

itEs reset to up=?

'= turn mouse wheel up *! one step to shit the switch up *! one step?

7= turn mouse wheel down *! one step to shit the switch down *! one step.

Oesides that) additional settings) which loo4 li4e text) are also switches and the same

hoo4s can *e applied to them.

Pic 2 /e3t,al s%itches

.. &nalog'style indicators

5nalog%st!le indicators are used to show the level o signal limiting in corresponding

module. &ndicator scales are in dO ormat. 8ightmost position means # dO o signal limiting.

Pic 4 5nalo'6style indicators

&ndicators support scale s%itchin'to ' or to $" dO.

&n G2& $) to switch the scale) use left mouse click on the scale.

&n G2& " the $"A' dO switch is used to do that.


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Pic 7 Indicator scale s%itched to 1$ d0

& the corresponding module wor4s in M8S mode) thereEre 2 needles on the indicator: red

for M channel and green for channel.

Pic 9 Indicator scale if mod,le %orks in M8S mode

& the corresponding module wor4s in m,ltiband mode) there!re needles on the

indicator: red for low frequencies# green for mid frequencies and blue for high frequencies >!ou

can easil! remem*er it *! 8GO mnemonic=$#.

Pic 1 Indicator scale for mod,le operatin' in m,ltiband mode

&n G2& $ there are , indicators that correspond to the , modules. &n G2& $ there are

' indicators< two o them can *e switched to the corresponding module *! using the switch

located at the right *ottom relative to the indicator.

&t applies to *oth G2& versions. ;he onl! G2& $ picture showed to save the place.

$#&t applies to *oth G2& versions. ;he onl! G2& $ picture showed to save the place.

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Pic 11 Mod,le s%itch is located at the ri'ht bottom relative to the indicator

.( #lobal operation mode parameters

Glo*al operation mode parameters are located at the let top corner o the Limiter 6

window.

Pic 1$ !lobal operation mode parameters

;he num*ered elements on the image arenormaloperational mode=. B-C release loo4ahead o " ms used? 4nee is # dO>softoperational mode=.

1. 0ontrol switch to turn pea4 limiter on and choose its operationalmode< B"nlinked8=nC

let and right channels are limiting independentl!) B;inkedC let and right channel gain

reduction aects each other or re@uencies *elow $## 9z >6 dOAct= $'.

3. (ea4 limiter operational speedcontrol switch. &n 18$ and 18) positions attac4) release

and loo4ahead times *ecome accordingl! " and ' times greater >e.g. limiter speed *ecomes

slower=.

.- / limiter

;his module is the limiter or high%re@uenc! signal component. &t can soften harsh high-

frequency sounds caused by overcompressionor clipping>in some cases this module sounds li4e

a de%esser=. ;he module operates li4e the pea4 limiter) *ut onl! or frequencies higher than

11 k+ >6 dOAct= in MA+ and B5C modes.

$"&n the next version it is planned to provide access to multi*and mode parameters.

$'&n the next version it is planned to provide access to stereo%lin4 parameters.

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Pic 1 HF limiter mod,le

;he num*ered elements on the image areormC normal operational mode) BM8SC MA+

operational mode) BM,ltibandC ' *ands operational mode. &n ' *ands mode the 6 dOAct

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crossover used with $6# 9z and 6.7 49z *ands $7. ' *ands mode doesnEt support BG8C

oversampling. ;hatEs wh! even i BG8C mode is selected the B+ignalC mode is used in this

case.

>ote: i oversampled mode is used) due to speciics o the implementation and Gi**s

phenomena >itEs a*out *and%limited s@uare wave= it is possi*le or short pea4s >usuall! o one

sample= to trespass the threshold. ;hatEs wh! it is necessar! to use the next module to suppress

such pea4s.

. ISP limiter

;his module is a tr,e si'nal val,e limiter. ;his module gets true pea4 signal value *!

samples interpolation and then generates gain reduction curve in such a wa! that ater limiting

the new true pea4 signal value will *e less or e@ual than threshold given. & &+( limiter is o this

module implements hard digital clipping.

%he purpose:

$= to prevent distortionsater digital to analog conversion?

"= using this module li4e an interesting%sounding *ric4wall limiter?

'= using this module or hard digital clipping>when &+( limiter is o=?

.3 using this module to suppress occasional peaks if oversampled clipper or limiters are

used(

$7&n the next version it is planned to provide access to multi*and mode parameters.

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Pic 14 ISP limiter mod,le

;he num*ered elements on the image areused onl! i &+( limiter is on=.

". &+( limiter on indicator >G2& $ onl!=. & &+( limiter is o) this lamp indicator shows hard

digital clipping. &n G2& " or the same purpose the red *order appears around the

B(rotectionC control 4no*.

'. utput signal level control 4no* >wor4s independentl! o the &+( limiterHs setting to on or

o=.

7. Maximum output signal value control 4no* >wor4s independentl! o the &+( limiterHs setting

to on or o=.

,. 0ontrol switch to turn on &+( limiter and set its operational mode< BDi'italclipC &+(

limiter is o and hard digital clipping is used. B ISP FastC simpliied algorithm or true

signal pea4 level is used >pol!nomial 7x interpolation=. BISP PreciseC precise algorithm or

true signal pea4 level is used >7x sinc%unction interpolation with su*se@uent more precise

pol!nomial interpolation=.

.13 Pea% and / limiters o4ersampling

4t is possible to run peak and ' limiters inside oversampling used in the clipper

module(& initial signal processing chain loo4s li4e thisFN=) apanese >(=$,. ;he localization control switch is located at the

right *ottom corner o the window.

Pic 19 ;ocali(ation control s%itch in !"I #1

$,Languages are chosen *! the site statistics. German language is not included *ecause Germans use

Fnglish terms or audio.

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&ppendi6 1. "an%s to

Dax Liniere http


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&ppendi6 2. )atency for modules and t"eir operation modes

Mod,le =peratin' modes ;atency introd,ced

8M+ compressor all none

(ea4 limiter T) &%&&& #.$' ms

(ea4 limiter U ".$' ms(ea4 limiter $A" dou*le

(ea4 limiter $A' thrice

9: limiter all #.$' ms

;he clipper oversampling is o none

;he clipper BG8C oversampling ",6 samples

;he clipper B+ignalC oversampling ""3 samples

&+( limiter :ast ".$3 ms

&+( limiter &+( (recise ",1 samples

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limiter6 manual en

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