JS的語音控制庫：SoundManager2

SoundManager2 是一個 JavaScript 語音 API，對HTML5 和 Flash Audio APIs進行了封裝和擴展。 支持MP3, MPEG4 和HTML5 audio + (experimental) RTMP。它為JavaScript提供了可靠的跨瀏覽器的語音控制，體積很小，只有 11KB 左右。

HTML5 Audio() Support

* 100% Flash-free MP3 + MP4/AAC where supported
* Compatible with Apple iPad 3.2, iPhone/iOS 4 and newer
* Fallback to Flash for MP3/MP4 support, as needed
* SM2 API is transparent; HTML5/flash switching handled internally
* HTML5 API support approximates Flash 8 API features
* Some other formats (WAV/OGG) supported via HTML5, depending on browser
* See "useHTML5Audio" property for implementation details

Basic API Features (Flash 8)

* Load, stop, play, pause, mute, seek, pan and volume control of sounds from Javascript
* Events: onload, whileloading, whileplaying, onfinish and more
* ID3V1 and ID3V2 tag support for MP3s (title, artist, genre etc.)

Shiny Flash 9 Features

* RTMP / Flash Media Server streaming support (new, experimental)
* MPEG-4 (AAC, HE-AAC, H.264) audio support
* "MultiShot" play (layered/chorusing effects)
* Waveform/frequency spectrum data
* Peak (L/R channel volume) data
* Audio buffering state/event handling

General Tech Stuff

* Full API Documentation with examples and notes
* console.log()-style debug output and troubleshooting tools
* Community-based discussion/support

As Heard On The Internets

A few nifty sites that have implemented SM2 for driving audio:

* Songza
* Earbits
* freesound.org
* last.fm
* 8tracks
* Discogs
* The Hype Machine
* nyan.cat
* AudioGalaxy

項目主頁：http://www.baiduhome.net/lib/view/home/1423983380984