Re: [Sursound] A proposal for an Ambisonics based 3D audio codec, MPEG/ITU style...

2013-01-20 Thread Gregory Maxwell
On Sun, Jan 20, 2013 at 6:09 PM, Stefan Schreiber wrote: > This is a typical FUD approach presentend by the competition. > If I have anything to say about, I'd say that any Ambisonis based approach > would be "patent-light", iof not patent-free. You confirm precisely the concern I raised: The res

Re: [Sursound] A proposal for an Ambisonics based 3D audio codec, MPEG/ITU style...

2013-01-20 Thread Gregory Maxwell
On Sat, Jan 5, 2013 at 9:00 PM, Stefan Schreiber wrote: > Dear colleagues... > > I would like to remember everybody interested or already being involved that > ITU/MPEG plan to define and issue some 3D audio standard (better: 3D audio > standard framework) during this year. The 3D audio codec is m

Re: [Sursound] Decoding coefficients for non symmetrical setups

2012-02-29 Thread Gregory Maxwell
On Wed, Feb 29, 2012 at 6:04 PM, Aaron Heller wrote: >  22 speakers, 3rd-order is 352 parameters so some strategy > is needed to guide it. It wouldn't work for a 3D array of 22 speakers— but for an irregular layout with the same number of speakers as a regular one (easy in 2D, fewer choices in 3D

Re: [Sursound] Decoding coefficients for non symmetrical setups

2012-02-29 Thread Gregory Maxwell
On Wed, Feb 29, 2012 at 5:19 PM, Sampo Syreeni wrote: > Personally what I find a bit worrisome is that this sort of optimization > retains the blackbox leanings of machine learning as a general discipline. > None of the ambisonic specific, closed form optimization literature, or the > derived spec

Re: [Sursound] Decoding coefficients for non symmetrical setups

2012-02-29 Thread Gregory Maxwell
On Wed, Feb 29, 2012 at 3:55 PM, Miguel Negrao wrote: > Would an automated “blind" search algorithm possibly Speaking of that, you probably want to search the list archives for a thread I started in 2009 titled: "A stupid optimizer for irregular ambisonic layouts" In it I provide the source for

Re: [Sursound] online multichannel release: HTML5 test

2011-11-29 Thread Gregory Maxwell
On Tue, Nov 29, 2011 at 6:51 PM, etienne deleflie wrote: > It is Firefox that fails us here. Firefox can play Vorbis files, but not > multichannel ones. People following this subject may be interested in this Mozilla bug: https://bugzilla.mozilla.org/show_bug.cgi?id=521615 ___

Re: [Sursound] Death of Ambisonia.com

2011-03-08 Thread Gregory Maxwell
On Mon, Mar 7, 2011 at 7:27 PM, e deleflie wrote: > The ambisonia wiki can, and *should* be hosted somewhere else. This > should be relatively easy to transfer to whoever would like to take > it. Would have to be under a different domain name. > > The content can only be hosted somewhere else if t