Re: [rtcweb] Query Regarding Mandatory audio codecs draft

Paul Coverdale <coverdale@sympatico.ca> Fri, 25 April 2014 20:28 UTC

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From: Paul Coverdale <coverdale@sympatico.ca>
To: "'Jean-Marc Valin'" <jmvalin@mozilla.com>, <kiran.guduru@samsung.com>, <cary.bran@plantronics.com>, <rtcweb@ietf.org>
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Date: Fri, 25 Apr 2014 16:28:11 -0400
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Subject: Re: [rtcweb] Query Regarding Mandatory audio codecs draft
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>>On 25/04/14 06:21 AM, Kiran Kumar Guduru wrote:
>> Is that means spec is recommending G.711 (PCMA/PCMU) for sampling rate
>> less than or equal to 8 kHz?
>
>No. Opus is still a good idea for 8 kHz, but it's not 2119 RECOMMENDED
>since there are valid (mostly complexity-related) reasons to use G.711
>despite the higher bit-rate.
>
>	Jean-Marc

Opus isn't a good idea for 8 KHz if you are trying to inter-operate with
another end-point using G.711.

...Paul