[web-audio-api] decodeAudioData Prose: avoid video containers that have an audio track (#34)

> Originally reported on W3C Bugzilla [ISSUE-21520](https://www.w3.org/Bugs/Public/show_bug.cgi?id=21520) Tue, 02 Apr 2013 14:41:45 GMT
> Reported by Olivier Thereaux
> Assigned to 

Per discussion at Audio WG f2f 2013-03-26

Change:

"Audio file data can be in any of the formats supported by the audio element"

For:

"...can be accepted in formats containing only audio data (w/o video)"

This is to avoid the overhead of dealing with video containers that have an audio track.

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Reply to this email directly or view it on GitHub:
https://github.com/WebAudio/web-audio-api/issues/34