[opus] Opus in WebM
ben at bemasc.net
Fri Jan 17 14:19:56 PST 2014
Yes, it's basically an intrinsic aspect of the mathematics. If you seek
into the middle of an Opus stream, that's about how long it takes before
the audio converges to be correct.
On Jan 17, 2014 2:13 PM, "Brendan Bolles" <brendan at fnordware.com> wrote:
> On Jan 7, 2014, at 11:11 AM, Brendan Bolles wrote:
> > The closest thing to a standards document for putting Opus into WebM is
> > http://wiki.xiph.org/MatroskaOpus
> I'm curious about the part there where it says SeekPreRoll should be set
> to 80000000. I believe those are in nanoseconds, so that's 0.08 seconds,
> 3840 samples at 48kHz. Here's a page explaining that it means I need to
> start decoding that far before the samples I actually need:
> Is this a fundamental property of the Opus codec that you need to do that?
> opus mailing list
> opus at xiph.org
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