compressing audio and video for desktop and mobile delivery

Compressing Media

for desktop and mobile delivery

Nick Floro Nick@sealworks.com @NickFloro

A file that tells a device what kind of media to present and when to present it.

‣ Video‣ Audio‣ Text‣ Interactivity‣ Tracks

Media

1991

1999

Pixel Doubling

Pixel Doubling

Delivery everywhere

Capture to delivery and beyondThe Production Process

Video / Audio Assets Compression Authoring Delivery

Standards Matter

MP3/AAC

Player

SurroundSoundCD

DigitalCameraDVDStereo

VideoCameraHDTV

Phone Tablet

MPEG-1/MPEG-4

audio

MPEG-2RedBook JPEGAC-3FM DVNTSC/

PAL

Phone Tablet

Standards Are Everywhere

Video

less then 8mb

MPEG-4: The MPEG for the Internet 1 minute of video at HD 1920 x1080

600mb

less then 500mb35gb

MPEG-4: The MPEG for the Internet 60 minutes of video at HD 1920 x1080

HD 1080i 1920 x 1080

PixelsGuidelines for Compression

HD 1080i 1920 x 1080

SD 480P 720 x 480

PixelsGuidelines for Compression

HD 1080i 1920 x 1080

Selecting a SizeGuidelines for Compression

240 x 135

480 x 270

960 x 540

240 x 135

Content PlacementGuidelines for Compression

HD 1080i 1920 x 1080

How Compression WorksGuidelines for Compression

pixel size (width | height)

frame rate data rate

Frame RateGuidelines for Compression

29.97 fps

29.97 fps 15 fps

Frame RateGuidelines for Compression

Data Rate Target: Broadband 800-1200 kbs Mobile 100-300kbsGuidelines for Compression

Tips & Hints

Key Frames: 4 x fps

Guidelines for Compression

Guidelines for Compression2 Pass Variable Bit Rate

Guidelines for Compression2 Pass Variable Bit Rate

Tips & Hints

Compression‣ Frame Rate: 15 fps‣ Key Frames: 4 x fps‣ Data Rate

– broadband > 800kbs– mobile < 300kbs

‣ 2 Pass Variable Bit Rate

QuickTime: H264

Flash: H264

Guidelines for Compression

Smart Phones

Get familiar with your device

Focus: faces

Focus: scene

Exposure and Color Balance

Shoot Horizontally

Angles + Planning

Zoom - Setting Scene

Zoom - Setting Scene

Lighting

Camera Angle

Prep

Audio

Selecting a MicrophoneUSB Connects Directly to Computer

Samson CO1U USB Condenser Microphone $70

Logitech USB Desktop Microphone $20

Logitech ClearChat Pro USB Headset $40

Blue Microphones Yeti USB Microphone $149

Blue Microphones Snowball USB Microphone $89

Audacity http://audacity.sourceforge.net/

EasyVoipRecorder Recorder (Windows) http://www.easyvoiprecorder.org/

Hot Recorder (Windows) http://www.hotrecorder.com/

Call Recorder (Mac OS X) http://www.ecamm.com/mac/callrecorder/

Skype Record Directly

Rode smartLav+ Lavalier Microphone for Smartphones $79

Stereo or MonoGuidelines for Compression

Selecting a KilohertzGuidelines for Compression

44khz 22khz

A kilohertz (kHz) is a unit of frequency equal to 1,000 hertz (1,000 cycles per second)

• 11mb 16bit 44khz Stereo

• 2.8mb 16bit 22khz Mono

• 500k MP3 64k 22khz Mono

Compressing Audio 60 Seconds

Compressing Audio 60 Minutes

30mb660mb60 minutes Compressed MP3 Audio

60 minutes of Uncompressed Audio

Podcasts on the Go AudioBoom Mobile App

Built-in Recorder

Tips & Hints

• 16 bit Mono 22 khz

• MP3 64kbit/s Mono 22khz

Guidelines for Compression

Lower Costs in Digital

Setting up a StudioCosts

Computer $899 Software $595 Camera / Studio $1,470

Adobe Premiere or Final Cut $300

Boris Chroma FX $295

HD Video $400 32gb Video SD $25

Green Screen $200

Lavalier Microphone $295Tripod $125

Flood Lighting $395

Apple iMac $1,099

MacBook $899

New Form FactorsDelivering Content Everywhere

WebMGoogle

H264 | MPEG 4Apple | Microsoft

mp4

Formats to choose from:Select a format for delivery

WebMGoogle

H264 | MPEG 4Apple | Microsoft

mp4

Formats to choose from:Select a format for delivery

Fast StartWeb Delivery: HTTP Streaming

Development Web Server | LMS | CMS

Clients

Pixel Doubling

Pixel Doubling

CDNContent Delivery Networks

DevelopmentEast Coast Client

West Coast Europe

Web Server | LMS | CMS

Adobe Media EncoderHandbrakeWondershareTelestream Episode Rapid ToolsQuickTime ProSorenson Squeeze

Compressing Content

HandBrakeOpenSource for Mac/Win/Linux

• MPEG-4• H.264

One Tool for Everything

• MPEG-4• Flash SWF• Flash FLV• QuickTime• Real media• MPEG 1/2• MP3 Audio

Telestream Episode

• Batch• Editing• Effects• Filters• Tools

Adobe Premiere CC

Adobe Premiere Clip

Resources To help you grow.

TriPod Stand $12.95

Tablet Tripod MonoPod Charger-City Exclusive 7" to 11" $25

Development: Capturing & Working with Media

explainEverything.com

VideoShop - Video Editor

brightcove.com

telestream.net/episode/

aws.amazon.com/cloudfront/

jingproject.com

jwplayer.com

ted.com

twitter.com

lrnchat.com

Adobe Capture CC

slideshare.net/nickfloro

Thank YouNick Florosealworks interactive studios

nick@sealworks.comwww.sealworks.com

twitter.com/NickFloro

Download the Presentation at:slideshare.net/nickfloro