Voice telephony (was Re: [vorbis] nominal bitrates)

[Mark Hetherington]

How much latency? Because even streamed ogg from icecast etc seems to be OK, I 
mean, I'm sure it could be better, but it's ok...

Mark

<p>On Sun, 28 Jul 2002 23:54, Michael Smith wrote:
> At 12:08 PM 7/27/02 +1000, you wrote:
> >I just tested some music at 8kbps, with oggenc -q -1 --downmix --resample
> >8000, and I must say, even though it was obviously lacking in quality, it
> >wasn't completely unbearable as I was expecting it might be. Speech was
> >clearly recognisable, all the instruments were there. Does anyone know of
> > a cross platform (specifically windows and linux) voice telephony program
> > using ogg? I'm thinking about writing a quick and dirty utility to just
> > pipe ogg out over to another person for voice telephony, because even at
> > 8kbps voice seems to be well represented (this would save me heaps on
> > long distance!!!).
>
> On the surface ogg vorbis might seem ok for voice telephony. Further
> investigation shows that there are two critical problems with this:
> the ogg layer, and the current encoder. Both of them introduce FAR
> too much latency for telephony applications.
>
> Michael
>
>
>
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