Re: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01
<stephane.proust@orange.com> Wed, 13 March 2013 17:12 UTC
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From: stephane.proust@orange.com
To: Tim Panton <tim@phonefromhere.com>, "Bogineni, Kalyani" <Kalyani.Bogineni@VerizonWireless.com>
Thread-Topic: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01
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Date: Wed, 13 Mar 2013 17:12:06 +0000
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Cc: MARJOU Xavier OLNC/OLN <xavier.marjou@orange.com>, "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01
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> I'd also like to point out that the "massive" transcoding cited already occurs between mobile devices that support various codecs (GSM, AMR etc) and the PSTN - (g711, g729) and the sky hasn't fallen yet. But transcoding to G.711 has simply absolutely nothing to do in terms of impact on gateways costs and capacities ! Transcoding to G.711 almost cost nothing. For your information: complexity of G.711 is around 0,01 WMPOS when AMR-WB is at 40 WMOPS and OPUS still higher... So we speak about a factor of more than 1000 in terms transcoding complexity and related impact on gateways ! And even with respect to AMR, G.722 or AMR-WB, transcoding from/to OPUS will still be more costly Stéphane -----Message d'origine----- De : rtcweb-bounces@ietf.org [mailto:rtcweb-bounces@ietf.org] De la part de Tim Panton Envoyé : mercredi 13 mars 2013 17:11 À : Bogineni, Kalyani Cc : rtcweb@ietf.org; MARJOU Xavier OLNC/OLN Objet : Re: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01 On 13 Mar 2013, at 14:37, Bogineni, Kalyani wrote: > There are 6.4 billion cellular connections worldwide. > > http://www.3gpp.org/3GPP-Family-2012-Statistics > > Regards, > Kalyani Bogineni Following that logic we'd mandate GSM.610 since _all_ of those 6B devices support it. I'd also like to point out that the "massive" transcoding cited already occurs between mobile devices that support various codecs (GSM, AMR etc) and the PSTN - (g711, g729) and the sky hasn't fallen yet. Tim. _______________________________________________ rtcweb mailing list rtcweb@ietf.org https://www.ietf.org/mailman/listinfo/rtcweb _________________________________________________________________________________________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, France Telecom - Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, France Telecom - Orange is not liable for messages that have been modified, changed or falsified. Thank you.
- [rtcweb] Agenda time request for draft-marjou-rtc… Espen Berger (espeberg)
- Re: [rtcweb] Agenda time request for draft-marjou… Stefan Håkansson LK
- Re: [rtcweb] Agenda time request for draft-marjou… Markus.Isomaki
- Re: [rtcweb] Agenda time request for draft-marjou… Paul Coverdale
- Re: [rtcweb] Agenda time request for draft-marjou… Ted Hardie
- Re: [rtcweb] Agenda time request for draft-marjou… Harald Alvestrand
- Re: [rtcweb] Agenda time request for draft-marjou… Xavier Marjou
- Re: [rtcweb] Agenda time request for draft-marjou… Alex Agranovsky
- Re: [rtcweb] Agenda time request for draft-marjou… Bogineni, Kalyani
- Re: [rtcweb] Agenda time request for draft-marjou… Ron
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Bogineni, Kalyani
- Re: [rtcweb] Agenda time request for draft-marjou… Olle E. Johansson
- Re: [rtcweb] Agenda time request for draft-marjou… Olle E. Johansson
- Re: [rtcweb] Agenda time request for draft-marjou… Xavier Marjou
- Re: [rtcweb] Agenda time request for draft-marjou… Bogineni, Kalyani
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Xavier Marjou
- Re: [rtcweb] Agenda time request for draft-marjou… Olle E. Johansson
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Olle E. Johansson
- Re: [rtcweb] Agenda time request for draft-marjou… 'Ron'
- Re: [rtcweb] Agenda time request for draft-marjou… Tim Panton
- Re: [rtcweb] Agenda time request for draft-marjou… Ron
- Re: [rtcweb] Agenda time request for draft-marjou… stephane.proust
- Re: [rtcweb] Agenda time request for draft-marjou… Roman Shpount
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… DRAGE, Keith (Keith)
- Re: [rtcweb] Agenda time request for draft-marjou… Bogineni, Kalyani
- Re: [rtcweb] Agenda time request for draft-marjou… Adam Roach
- Re: [rtcweb] Agenda time request for draft-marjou… Roman Shpount
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Cameron Byrne
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Hutton, Andrew
- Re: [rtcweb] Agenda time request for draft-marjou… Jean-Marc Valin
- Re: [rtcweb] Agenda time request for draft-marjou… Jean-Marc Valin
- Re: [rtcweb] Agenda time request for draft-marjou… Tim Panton
- Re: [rtcweb] Agenda time request for draft-marjou… stephane.proust
- Re: [rtcweb] Agenda time request for draft-marjou… Jean-Marc Valin
- Re: [rtcweb] Agenda time request for draft-marjou… Jean-Marc Valin
- Re: [rtcweb] Agenda time request for draft-marjou… Tim Panton
- Re: [rtcweb] Agenda time request for draft-marjou… Roman Shpount
- Re: [rtcweb] Agenda time request for draft-marjou… Michael Procter
- Re: [rtcweb] Agenda time request for draft-marjou… Markus.Isomaki
- Re: [rtcweb] Agenda time request for draft-marjou… DRAGE, Keith (Keith)
- Re: [rtcweb] Agenda time request for draft-marjou… stephane.proust
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… stephane.proust
- Re: [rtcweb] Agenda time request for draft-marjou… Hadriel Kaplan
- Re: [rtcweb] Agenda time request for draft-marjou… Jean-Marc Valin
- Re: [rtcweb] Agenda time request for draft-marjou… Olle E. Johansson
- Re: [rtcweb] Agenda time request for draft-marjou… Stefan Håkansson LK
- Re: [rtcweb] Agenda time request for draft-marjou… Olle E. Johansson
- Re: [rtcweb] Agenda time request for draft-marjou… Stefan Håkansson LK
- Re: [rtcweb] Agenda time request for draft-marjou… Tim Panton
- Re: [rtcweb] Agenda time request for draft-marjou… stephane.proust
- Re: [rtcweb] Agenda time request for draft-marjou… Espen Berger (espeberg)
- Re: [rtcweb] Agenda time request for draft-marjou… Koen Vos
- Re: [rtcweb] Agenda time request for draft-marjou… Roman Shpount
- Re: [rtcweb] Agenda time request for draft-marjou… Koen Vos
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Roman Shpount
- Re: [rtcweb] Agenda time request for draft-marjou… Hadriel Kaplan
- Re: [rtcweb] Agenda time request for draft-marjou… R.Jesske
- Re: [rtcweb] Agenda time request for draft-marjou… Adam Roach
- Re: [rtcweb] Agenda time request for draft-marjou… Xavier Marjou
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… stephane.proust
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Ralph Giles
- Re: [rtcweb] Agenda time request for draft-marjou… stephane.proust
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Bogineni, Kalyani
- Re: [rtcweb] Agenda time request for draft-marjou… Adam Roach
- Re: [rtcweb] Agenda time request for draft-marjou… Roman Shpount
- Re: [rtcweb] Agenda time request for draft-marjou… Bernhard.Feiten
- Re: [rtcweb] Agenda time request for draft-marjou… Andrew Allen
- Re: [rtcweb] Agenda time request for draft-marjou… Koen Vos
- Re: [rtcweb] Agenda time request for draft-marjou… Jean-Marc Valin
- Re: [rtcweb] Agenda time request for draft-marjou… DRAGE, Keith (Keith)