On Tue, May 17, 2011 at 1:49 AM, <[email protected]> wrote: > (I think) Fred wrote: > > Well, the extra delay is solvable in the transport. The question isn't > really what the impact on the > network is; it's what the requirements of > the application are. For voice, if a voice sample is > > delayed 50 ms the jitter buffer in the codec resolves that - microseconds > are irrelevant. > > If you meant 50 microseconds, ignore the rest of this post. > > 50 milliseconds is a *long* time in VoIP. The total mouth-to-ear delay > budget is only 150 ms. Adaptive jitter buffer algorithms choose a buffer > size that is bigger than the observed delay variation. So the additional > delay will be even higher than 50 ms. > > *10* ms in terms of jitter is a *long* time in voip.
-- Dave Täht SKYPE: davetaht US Tel: 1-239-829-5608 http://the-edge.blogspot.com
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