Re: [rtcweb] Query Regarding Mandatory audio codecs draft

Jessie Morris <jmorris@getjive.com> Mon, 28 April 2014 15:19 UTC

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Date: Mon, 28 Apr 2014 09:19:51 -0600
From: Jessie Morris <jmorris@getjive.com>
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References: <CAB1_PA7n64TzN4RPM27P0dQ=fMZNnueQ+kc_P6=2CWsioOq+7w@mail.gmail.com> <535E461E.8080803@alvestrand.no>
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Subject: Re: [rtcweb] Query Regarding Mandatory audio codecs draft
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The only situation that it would make sense to use G.711 and video is on 
a weak platform that happens to have hardware decoding capabilities for 
H.264 or VP8 or whatever the video codec is. I don't think there are a 
lot of these currently, but it is possible.

On 2014-04-28, 06:14, Harald Alvestrand wrote:
> On 04/28/2014 11:25 AM, Steev James wrote:
>> Means you say that G.711 uses less bandwidth than Opus at the expense 
>> of complexity.
>
> G.711 gives very low audio quality. The larger complexity of Opus 
> means that it is able to give a much better quality at the same 
> bandwidth.
>
> Personal opinion: The only time I'd be wanting to use G.711 if Opus is 
> available is when I'm on a severely underpowered mobile phone. That 
> platform is likely also so weak that I couldn't even imagine using 
> video on it (video is order-of-magnitude more complex to encode/decode 
> than Opus).
>
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--
Jessie A. Morris
Jive Communications, Inc.
jmorris@getjive.com