Re: [rtcweb] Confirmation of consensus on audio codecs

tom harper <tharper@logitech.com> Sun, 19 August 2012 02:29 UTC

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Date: Sat, 18 Aug 2012 19:29:20 -0700
From: tom harper <tharper@logitech.com>
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To: Richard Shockey <richard@shockey.us>
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Cc: "'Cullen Jennings \(fluffy\)'" <fluffy@cisco.com>, rtcweb@ietf.org
Subject: Re: [rtcweb] Confirmation of consensus on audio codecs
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I strongly support having 722 as mandatory - interop in the enterprise 
will greatly benefit.

Opus and g.711 are +1

Tom

On 8/18/2012 11:04 AM, Richard Shockey wrote:
> Even though 711 quality actually sucks. I only mention 722 ..AMR WB btw
> since it's obvious that if you may want to interoperate with the several
> billion mobile endpoints that may be deploying VoLTE over the next few
> years. It might prove useful, unless this entire exercise is about creating
> N squared silos.
>
> You are still going to have to define a MUST support video codec eventually
> so just get on with it ..saying VP8 only is just unrealistic.
>
> -----Original Message-----
> From: rtcweb-bounces@ietf.org [mailto:rtcweb-bounces@ietf.org] On Behalf Of
> Jonathan Rosenberg
> Sent: Friday, August 17, 2012 1:02 PM
> To: Matthew Kaufman
> Cc: Cullen Jennings (fluffy); rtcweb@ietf.org
> Subject: Re: [rtcweb] Confirmation of consensus on audio codecs
>
> I'll chime in here too - it'll surprise no one that I agree Opus should be
> MTI. I agree on G.711 as well, as this has realistically been the lingua
> franca for voip since the very beginning. Its easy to put in, no IPR and
> will help with the many interop scenarios which the market will eventually
> want. Even if intermediaries are needed on the media path for other things -
> like ICE interop - at least we won't need transcode.
>
> -Jonathan R.
>
> On Fri, Aug 17, 2012 at 12:30 PM, Matthew Kaufman
> <matthew.kaufman@skype.net> wrote:
>> I agree. OPUS because it will be the IETF standard for wideband audio on
> the Internet, G.711 for maximum interoperability. G.722 is a reasonable
> thing to put on the "SHOULD" list... there's some other good choices for the
> SHOULD list, but they unfortunately come with additional IPR issues.
>> Matthew Kaufman
>>
>> -----Original Message-----
>> From: rtcweb-bounces@ietf.org [mailto:rtcweb-bounces@ietf.org] On
>> Behalf Of Bernard Aboba
>> Sent: Thursday, August 16, 2012 5:42 PM
>> To: rtcweb@ietf.org
>> Cc: Cullen Jennings (fluffy); rtcweb@ietf.org
>> Subject: Re: [rtcweb] Confirmation of consensus on audio codecs
>>
>> I also support the selection of OPUS and G.711 as MTI. G.722 can be a
> SHOULD; it is widely supported.
>>
>>
>> _______________________________________________
>> rtcweb mailing list
>> rtcweb@ietf.org
>> https://www.ietf.org/mailman/listinfo/rtcweb
>
>
> --
> Jonathan Rosenberg, Ph.D.
> GM Product Strategy and Research, Microsoft/Skype
> jdrosen@{skype.net,jdrosen.net,microsoft.com}
> http://www.jdrosen.net
> _______________________________________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb
>
> _______________________________________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb
>
>