[Bug 18655] audio gaps shouldn't be rendered as silence

https://www.w3.org/Bugs/Public/show_bug.cgi?id=18655

Mark Watson <watsonm@netflix.com> changed:

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                 CC|                            |watsonm@netflix.com

--- Comment #1 from Mark Watson <watsonm@netflix.com> 2012-08-22 17:29:53 UTC ---
(In reply to comment #0)
> Continuing discussion from bug 18571, the section "Media Segment Constraints"
> says:
> 
> "Gaps between media segments that are smaller than the audio frame size are
> allowed and should be rendered as silence. Such gaps should not be reflected by
> buffered.
> Note: This is intended to simplify switching between audio streams where the
> frame boundaries don't always line up across encodings (e.g. Vorbis)."
> 
> Gaps should be allowed, but silence should not be specified. Silence is the
> minimum one can do, and implementations can offer higher quality switching
> through a variety of gap-concealment algorithms.
> 
> Likewise, overlaps should be allowed as well. The important thing is to
> preserve the sample alignment so synchronization is maintained.
> 
> I propose the clause "and should be rendered as silence" be removed.

For clarity,"and should be rendered as silence" should be replaced with "and
should not cause playback to stall".

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Received on Wednesday, 22 August 2012 17:29:55 UTC