Re: [Gen-art] Gen-art last call review of draft-ietf-codec-opus-12.txt (completed)

2012-05-17 Thread Jean-Marc Valin
Hi Elwyn, We're submitted a -14 draft to address your comments. Again, see the response to each of these issues in the attached document. Thanks again, Jean-Marc On 12-05-16 05:26 PM, Elwyn Davies wrote: Hi, Jean-Marc. ... and thanks for the super-quick response! You have been

Re: Gen-art last call review of draft-ietf-codec-opus-12.txt (completed)

2012-05-16 Thread Jean-Marc Valin
Hi Elwyn, Thanks for the very thorough review. We've addressed your issues and submitted draft version -13. See our response to each of the issues you raised (aggregated from all the authors) in the attached document. Cheers, Jean-Marc On 12-05-14 09:13 AM, Elwyn Davies wrote: I am

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-21 Thread Jean-Marc Valin
Hi, Actually, maybe we can look at how other SDOs are handling this issue. Considering that ITU-T, 3GPP/3GPP2 and (to a lesser extent) MPEG all standardise codecs in the same space, how do these SDOs coordinate? For example, does the ITU-T SG16 have some text in it's charter that says we will

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-19 Thread Jean-Marc Valin
Hi, stephane.pro...@orange-ftgroup.com wrote: The Charter states first the The goal of this working group is to develop a single high-quality audio codec considering (on what basis ?) that there are no standardized, high-quality audio codecs that meet all of the following three conditions

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-13 Thread Jean-Marc Valin
Hi Adrian, During the last BoF in Hiroshima, there was a very useful presentation by Yusuke Hiwasaki (SG16-Q10 Associate Rapporteur) about how the ITU-T works (slides at: http://www.ietf.org/proceedings/76/slides/codec-2.pdf). From what I understand, there are two main reasons why the ITU-T

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-12 Thread Jean-Marc Valin
process is in characterization/testing, there's a lot we can accomplish before reaching that stage. Jean-Marc Stephen Botzko Polycom On Tue, Jan 12, 2010 at 12:03 PM, Jean-Marc Valin jean-marc.va...@octasic.com wrote: Hi Adrian, During the last BoF in Hiroshima, there was a very useful

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-11 Thread Jean-Marc Valin
Hi, Regardless of the exact status of the PLC IPR, I don't think it would be a good idea to just say that the Internet should just follow ITU-T standards with a 20-year lag. As it has been already shown with the codec proposals received to date, it should be possible to create RF codecs that are

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-11 Thread Jean-Marc Valin
Hi, I'm not sure royalties are the *least* of out problems, but I certainly agree with Stephan that annoyances go further than just royalties. I understand that BCP79 restricts what we can say about that in the charter, but at least mentioning the problem as Stephan suggests is a good idea IMO.

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-11 Thread Jean-Marc Valin
this argument occasionally :-) Stephan On 1/11/10 7:32 AM, Jean-Marc Valin jean-marc.va...@usherbrooke.ca wrote: Hi, Regardless of the exact status of the PLC IPR, I don't think it would be a good idea to just say that the Internet should just follow ITU-T standards with a 20-year lag

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-08 Thread Jean-Marc Valin
cannot explicitly rule out the possibility of adapting encumbered technologies; however, the working group will try to avoid encumbered technologies that would hinder free redistribution in any way. Russ On 1/7/2010 3:13 PM, Jean-Marc Valin wrote: Hi, I'm not sure royalties are the *least

Re: WG Review: Internet Wideband Audio Codec (codec)

2010-01-07 Thread Jean-Marc Valin
Quoting Stephen Casner cas...@acm.org: In the past, particularly when I was co-chair of AVT, there was significant pressure from IETF leadership against IETF (and AVT in particular) standarizing codecs out of concern that to do so would step on ITU toes. We made a carefully considered

Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

2010-01-05 Thread Jean-Marc Valin
Brian West wrote: I think CELT and SILK are both great codecs.. I was under the impression that SILK ran at 32kHz and did internal resampling but that doesn't appear to be the case. Either way we have six sample rates to pick from between the two codecs giving you bandwidth vs quality options