[foms] Proposal: adaptive streaming using open codecs

John Luther jluther at google.com
Fri Nov 19 14:20:34 PST 2010

Yep, we're (meaning Frank) working on something.


Sent from my Droid mobile
On Nov 19, 2010 5:00 PM, "Christopher Blizzard" <blizzard at mozilla.com>
> On 11/17/2010 10:15 AM, Timothy B. Terriberry wrote:
>> Probably because I meant LPC (linear prediction coefficients), not LSP
>> (line spectral pairs). The concepts are related.
>> Vorbis, for example, already uses LPC extrapolation to pad the first and
>> last MDCT blocks, since blocks are overlapped, but there's no real data
>> to overlap with at the beginning and end of a track. Code starts at
>> https://trac.xiph.org/browser/trunk/vorbis/lib/block.c#L416
> Working code helps here and might settle discussions about what might
> work and what might not. Does someone here that knows how to write
> software be willing to come up with some fair demos of what audio
> bitrate switching might look like?
> --Chris
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