Re: [codec] #16: Multicast?

Mikael Abrahamsson <swmike@swm.pp.se> Sat, 24 April 2010 02:05 UTC

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Date: Sat, 24 Apr 2010 04:05:10 +0200
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: "Raymond (Juin-Hwey) Chen" <rchen@broadcom.com>
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Cc: "codec@ietf.org" <codec@ietf.org>, 'stephen botzko' <stephen.botzko@gmail.com>, Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
Subject: Re: [codec] #16: Multicast?
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On Fri, 23 Apr 2010, Raymond (Juin-Hwey) Chen wrote:

> The way I see it, for conference bridge applications at least, I think 
> it would be a big mistake for IETF to recommend a codec with a frame 
> size of 20 ms or higher.  From my analysis above, by doing that we will 
> be stuck with too long a delay and the associated problems.

>From my point of view as a network engineer, it would be a mistake to 
recommend *fixed* frame size at all. The codec needs to be able to handle 
everything from 5ms to 250ms frame size depending on network conditions 
(please see my emails from a few months back regarding the reality of the 
Internet today).