Re: [codec] Adopt draft-valin-codec-results as a working group item
"Christian Hoene" <hoene@uni-tuebingen.de> Tue, 23 August 2011 11:22 UTC
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From: Christian Hoene <hoene@uni-tuebingen.de>
To: Bernhard.Feiten@telekom.de, codec@ietf.org
References: <4E52C241.2010208@jdrosen.net> <CE8995AB5D178F44A2154F5C9A97CAF4024EABE47F9F@HE111541.emea1.cds.t-internal.com>
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Date: Tue, 23 Aug 2011 13:23:13 +0200
Organization: Universität Tübingen
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Subject: Re: [codec] Adopt draft-valin-codec-results as a working group item
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Dear Herr Dr. Bernhard Feiten, You are complete right. We discuss this point during the last meeting and agreed that more care should be taken to objectively report the results of the listening-only tests. Your input is appreciated and will be considered in the next version of the document. With best regards, Christian Hoene ---------------------------------------------------------------------------- ----- Dr.-Ing. Christian Hoene, University of Tübingen, Computer Science, Chair of Communication Networks, Research Group Interactive Communication Systems (ICS) Sand 13, 72076 Tübingen, Germany, Tel +49 7071 2970532, www.net.uni-tuebingen.de > -----Original Message----- > From: codec-bounces@ietf.org [mailto:codec-bounces@ietf.org] On Behalf > Of Bernhard.Feiten@telekom.de > Sent: Tuesday, August 23, 2011 1:13 PM > To: codec@ietf.org > Subject: Re: [codec] Adopt draft-valin-codec-results as a working group item > > Dear all, > > I think the results document is not suffiently documenting the quality > comparison of the Opus with other codecs. > From the cited tests mainly the positive aspects are excerpted and decribed > verbally only. The full context and the exact results of the tests are not > presented. This is not appropriate for the characterisation of a codec. > > To give one example I cite the following sentence. > "Opus at 32 kbps is almost transparent, although there > is a small, but statistically significant, difference from the > fullband reference material." > This statement is very vague and sounds not serious to me. > > I would be happy, if tables showing the average values and confidence > intervals per content and coding condition could added. > > Best regards, > Bernhard Feiten > > > Deutsche Telekom AG > T-Labs (Research & Development) > Dr. Bernhard Feiten > Winterfeldtstraße 21, 10781 Berlin > +49 30 8353 58147 (Tel.) > +49 000 000-0000 (Fax) > +49 171 563 58 34 (Mobil) > E-Mail: mailto:bernhard.feiten@telekom.de > http://www.telekom.com > > > Deutsche Telekom AG > Aufsichtsrat: Prof. Dr. Ulrich Lehner (Vorsitzender) > Vorstand: René Obermann (Vorsitzender), > Dr. Manfred Balz, Reinhard Clemens, Niek Jan van Damme, > Timotheus Höttges, Edward R. Kozel, Thomas Sattelberger > Handelsregister: Amtsgericht Bonn HRB 6794 > Sitz der Gesellschaft Bonn > > > > -----Ursprüngliche Nachricht----- > Von: codec-bounces@ietf.org [mailto:codec-bounces@ietf.org] Im Auftrag > von Jonathan Rosenberg > Gesendet: Montag, 22. August 2011 22:55 > An: codec@ietf.org > Betreff: [codec] Adopt draft-valin-codec-results as a working group item > > The chairs would like to take a poll for consensus to adopt: > http://datatracker.ietf.org/doc/draft-valin-codec-results/ > > as a working group item, matching our deliverable of a testing document > based on our updated charter. > > As with any other working group item, adoption means that the group > feels that the document is a good starting point to achieving this > milestone. > > Please reply with your opinion. > > Thanks, > Jonathan R. > -- > Jonathan D. Rosenberg, Ph.D. SkypeID: jdrosen > Skype Chief Technology Strategist > jdrosen@skype.net http://www.skype.com > jdrosen@jdrosen.net http://www.jdrosen.net > > > _______________________________________________ > codec mailing list > codec@ietf.org > https://www.ietf.org/mailman/listinfo/codec > _______________________________________________ > codec mailing list > codec@ietf.org > https://www.ietf.org/mailman/listinfo/codec
- [codec] Adopt draft-valin-codec-results as a work… Jonathan Rosenberg
- Re: [codec] Adopt draft-valin-codec-results as a … Bernhard.Feiten
- Re: [codec] Adopt draft-valin-codec-results as a … Christian Hoene
- Re: [codec] Adopt draft-valin-codec-results as a … Peter Saint-Andre
- Re: [codec] Adopt draft-valin-codec-results as a … Jonathan Rosenberg
- Re: [codec] Adopt draft-valin-codec-results as a … Jean-Marc Valin
- Re: [codec] Adopt draft-valin-codec-results as a … Ralph Giles
- Re: [codec] Adopt draft-valin-codec-results as a … Gregory Maxwell
- Re: [codec] Adopt draft-valin-codec-results as a … Paul Coverdale
- Re: [codec] Adopt draft-valin-codec-results as a … Jean-Marc Valin
- Re: [codec] Adopt draft-valin-codec-results as a … Anisse Taleb
- Re: [codec] Adopt draft-valin-codec-results as a … Ron
- Re: [codec] Adopt draft-valin-codec-results as a … Dr. Christian Hoene
- Re: [codec] Adopt draft-valin-codec-results as a … Erik Norvell
- Re: [codec] Adopt draft-valin-codec-results as a … Peter Saint-Andre
- Re: [codec] Adopt draft-valin-codec-results as a … Jean-Marc Valin
- Re: [codec] Adopt draft-valin-codec-results as a … Jonathan Rosenberg
- Re: [codec] Adopt draft-valin-codec-results as a … Jonathan Rosenberg