Compressing Audio and Video for Mobile Delivery @mLearnCon
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Compressing Audio and Video for Mobile Delivery @mLearnCon

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A comprehensive introduction to video technology, compression, and delivery standards for optimizing content delivery to mobile and desktop devices. This session will provide an overview with ...

A comprehensive introduction to video technology, compression, and delivery standards for optimizing content delivery to mobile and desktop devices. This session will provide an overview with everything you need to know about editing, preparing, and delivering the highest-quality video and audio to your audience. We’ll discuss techniques and interactivity that you can add, along with the latest standards and how you can take advantage of open-source free compression tools. We’ll cover the latest applications for getting the smallest file sizes and the highest quality.

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Compressing Audio and Video for Mobile Delivery @mLearnCon Compressing Audio and Video for Mobile Delivery @mLearnCon Presentation Transcript

  • Nick Floro Nick@sealworks.com @NickFloro Compression & Delivery with HTML5 | Media Formats Media Delivery for Mobile Devices
  • 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
  • Capture to delivery and beyond The Production Process Authoring DeliveryVideo / Audio Assets Compression
  • QuickTime takes you from capture to delivery and beyond A Complete Solution Delivery Edit and Compose Playback Capture Archive
  • ß
  • Standards Matter MP3/ AAC Player Surround SoundCD Digital CameraDVDStereo Video CameraHDTV Phone Tablet
  • Standards Are Everywhere MPEG-1/ MPEG-4 audio MPEG-2RedBook JPEGAC-3FM DV NTSC/ PAL Phone Tablet
  • The foundation for all digital media Family of MPEG Standards MPEG-1 VHS Quality 1.5 Mbps 1992 MPEG-2 DVD Quality 6 Mbps 1994 MPEG-4 Wireless, Internet Scalable 1998
  • Video
  • • HD 1920 x 1080 = 600mb • Compressed = 450k to 7.8mb MPEG-4: The MPEG for the Internet 1 Minute of Content
  • • HD 1920 x 1080 = 35gb • Compressed = 480mb MPEG-4: The MPEG for the Internet 60 Minutes of Content
  • Pixels Guidelines for Compression mobile 640 x 360 720P 1280 x 720 HD 1080i 1920 x 1080
  • Content Placement Guidelines for Compression 320 x 240
  • Selecting a Size Guidelines for Compression 384 x 216 480 x 270 640 x 360
  • Frame Rate Guidelines for Compression 29.97 fps
  • Frame Rate Guidelines for Compression 29.97 fps 15 fps
  • Tips & Hints Key Frames: 4 x fps Guidelines for Compression
  • Guidelines for Compression 2 Pass Variable Bit Rate
  • Guidelines for Compression 2 Pass Variable Bit Rate
  • Tips & Hints Compression – Frame Rate: 15 fps – Key Frames: 4 x fps – Average Data Rate Target 800-1200 kbs – 2 Pass Variable Bit Rate QuickTime: H264 / Sorenson 3 Flash: H264 / Spark / WebM On2 Pro Guidelines for Compression
  • Easy Access to Video Flip $100 to $200
  • Smart Phones
  • Audio
  • Built-in Recorder
  • Selecting a Microphone USB 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
  • Stereo or Mono Guidelines for Compression
  • Selecting a Kilohertz Guidelines 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 44khz Mono Compressing Audio 60 Seconds
  • Compressing Audio 60 Minutes 30mb660mb 60 minutes Compressed MP3 Audio 60 minutes of Uncompressed Audio
  • Podcasts on the Go AudioBoo & iPhone
  • Tips & Hints • 16 bit Mono 22 khz • MP3 64kbit/s Mono 22khz Guidelines for Compression
  • Setting up a Studio Costs Computer $1,199 Software $994 Camera / Studio $1,470 Premiere CS4 $699 or Final Cut $995 Boris Chroma FX $295 Sanyo HD $400 16gb Video SD $55 Green Screen $200 Lavalier Microphone $295Tripod $125 Flood Lighting $395 Apple iMac $1,199 MacBook Pro $1,199
  • New Form Factors Delivering Content Everywhere
  • WebM Google H264 | MPEG 4 Apple | Microsoft mp4 Formats to choose from: Select a format for delivery
  • WebM Google H264 | MPEG 4 Apple | Microsoft mp4 Formats to choose from: Select a format for delivery
  • Fast Start Web Delivery: HTTP Streaming Development Standard Web Server Clients
  • QuickTime Streaming Server Web Delivery: RTP/RTSP Streaming Development Streaming Server Client Web Server
  • QuickTime Pro Sorenson Squeeze Telestream Episode Final Cut Pro Flash Compressing Content
  • Dozens of professional features • Hint movies for streaming • Automate with AppleScript • Edit movie clips from digital cameras • Convert and resize pictures • Enhance movies and stills with filters and effects QuickTime Pro
  • HandBrake OpenSource 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 Sorenson Squeeze
  • One Tool for Everything • MPEG-4 • Flash SWF • Flash FLV • QuickTime • Real media • MPEG 1/2 • MP3 Audio Telestream Episode
  • Authoring & Delivery • Flash SWF • Flash FLV Flash CS
  • NLE • Batch • QuickTime • Effects • Filters • Tools Final Cut
  • // HTML 5 makes <video> as easy as <img> // HTML 5 makes <video> as easy as <img>
  • <video controls> <source src="foo.ogg" type="video/ogg"> <source src="foo.mp4"> Your browser does not support the video element. </video> var v = document.getElementsByTagName("video")[0]; v.play(); Embedding Video
  • Resources
  • www.brightcove.com
  • http://www.telestream.net/episode/overview.htm
  • http://www.telestream.net/flip4mac-wmv/overview.htm
  • www.perian.org
  • aws.amazon.com/cloudfront/
  • jingproject.com
  • MP4 last 2 versions jwplayer.com/html5/
  • jwplayer.com
  • http://www.telestream.net/screen-flow/
  • www.TED.com
  • www.twitter.com
  • www.lrnchat.com
  • Download the Presentation at: http://www.slideshare.net/nickfloro
  • LaunchCycle.com
  • Thank You Nick Floro sealworks interactive studios nick@sealworks.com www.sealworks.com twitter.com/NickFloro Download the Presentation at: http://www.slideshare.net/nickfloro