Re: [rtcweb] Confirmation of consensus on audio codecs

Paul Coverdale <coverdale@sympatico.ca> Tue, 28 August 2012 18:47 UTC

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From: Paul Coverdale <coverdale@sympatico.ca>
To: "'Jean-Marc Valin'" <jmvalin@mozilla.com>, "'Stefan Hakansson LK'" <stefan.lk.hakansson@ericsson.com>
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Date: Tue, 28 Aug 2012 14:47:03 -0400
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Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Confirmation of consensus on audio codecs
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>> In addition, I've been told that so far Opus has gone through less
>> characterization tests than codecs usually are put through.
>
>When it comes to testing, I recommend reading
>http://tools.ietf.org/html/draft-valin-codec-results-00 which summarizes
>the listening tests that were done on Opus. Also, I recommend reading
>https://www.ietf.org/proceedings/82/slides/codec-4.pdf
>This describes a whole series of tests we did that other SDOs generally
>don't do on their codecs.
>

I think that Stefan was referring to the lack of formal, controlled,
characterization tests carried out on Opus, which typically ARE carried out
on codecs in other SDOs before approval. 


...Paul