Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

Koen Vos <koen.vos@skype.net> Fri, 25 December 2009 08:53 UTC

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Date: Fri, 25 Dec 2009 00:52:42 -0800
From: Koen Vos <koen.vos@skype.net>
To: codec@ietf.org
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Subject: Re: [codec] WG Review: Internet Wideband Audio Codec (codec)
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Quoting Steve Underwood:

> I would have thought their latency was the key factor for  
> interactive communication

That's a factor too.

MP3 has 54 ms algorithmic delay (at 48 kHz sampling rate) - around 11  
ms more than G.718.

AC3 seems to have < 10 ms algorithmic delay.

koen.