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Re: [rtcweb] Consensus vs. Voting (was Re: Call for Consensus Regarding Selecting Recommended Audio Codecs)

Jean-Marc Valin <jmvalin@mozilla.com> Tue, 29 January 2013 18:42 UTC

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Date: Tue, 29 Jan 2013 13:42:24 -0500
From: Jean-Marc Valin <jmvalin@mozilla.com>
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To: "Cullen Jennings (fluffy)" <fluffy@cisco.com>
References: <50D2CC6A.4090500@ericsson.com> <6515_1357907583_50F0067F_6515_1738_1_2842AD9A45C83B44B57635FD4831E60A0747CC@PEXCVZYM14.corporate.adroot.infra.ftgroup> <BLU0-SMTP880A602A311CE05C9DC39FD0290@phx.gbl> <A26C56D5-C501-4823-8099-62AF7910B8A4@ntt-at.com> <580BEA5E3B99744AB1F5BFF5E9A3C67D16813E56EC@HE111648.emea1.cds.t-internal.com> <50F41D97.1030508@nostrum.com> <CAD5OKxtsWMfAV=K4sM+zLXoyVCgihwujH2gG9ziA5GuEtsU0sQ@mail.gmail.com> <2327AE82-FC1E-4D09-B6B4-E87F01BD3527@phonefromhere.com> <CAD5OKxtqT9o0tESF-jk1va=LRvdZDqPjGSZcEhLCKmni2818wA@mail.gmail.com> <00D8DD68-DB4D-450F-8787-8C32BD459937@phonefromhere.com> <CAD5OKxt+ATzv75acQh=06q9oMPUUSSMw7bhj3akbyr=UaqQz+Q@mail.gmail.com> <50F43AD0.3030404@mozilla.com> <C5E08FE080ACFD4DAE31E4BDBF944EB1133A2EF7@xmb-aln-x02.cisco.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Consensus vs. Voting (was Re: Call for Consensus Regarding Selecting Recommended Audio Codecs)
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On 01/29/2013 01:00 PM, Cullen Jennings (fluffy) wrote:
>> "SHOULD include a PLC" only makes sense if you specify minimum 
>> quality requirements. Otherwise "repeat previous packet" or
>> "fill with zeros" all count as PLC. Personally, I really don't
>> feel like getting into a PLC quality spec.
> 
> Oh, the irony of we are fine with saying SHOULD do AEC (already in
> a WG draft) but we are not fine with saying SHOULD do PLC.

I mean I'm fine with "SHOULD do PLC", but unless you specify the
minimum performance, it becomes meaningless. As for AEC, it's not
clearly stated in the current version draft, but as far as I'm
concerned, the minimum performance is "keep return gain below unity".
Of course, it's still nice to be better than that...

	Jean-Marc
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