[Sursound] Array for sound field recording and extend the sound image

2013-01-06 Thread Chenrilin
... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20130106/0a009956/attachment.html> -- next part -- A non-text attachment was scrubbed... Name: image001.jpg Type: image/jpeg Size: 6737 bytes Desc: image001.jpg URL: <https://mail.music.vt.ed

Re: [Sursound] Array for sound field recording and extend the sound image

2013-01-06 Thread Michael Chapman
> Hello, all [ ... ] > The W component equals to the mean of signals from four mics. Then I > decoded them to get the > feeding signal for four loudspeakers, and used HRTFs to get the left and > right signal for headphone. > > > 1. Furthermore, the experiment is made that a person was walking

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

2013-01-06 Thread Michael Chapman
> The current situation at MPEG: > > http://www.itu.int/en/ITU-T/studygroups/com16/video/Pages/jctvc.aspx > > Next meetings: > >> * Geneva, Switzerland, October 2013 (tentative) >> * Vienna, Austria, 27 July - 2 August 2013 (tentative) >> * Incheon, Korea, 20-26 April 2013 (tentative) >

Re: [Sursound] Array for sound field recording and extend the sound image

2013-01-06 Thread Fons Adriaensen
On Sun, Jan 06, 2013 at 09:18:43AM +, Chenrilin wrote: > Hello, all > I have designed an array of four microphones to get B-format signal. The > coordinates of mics > are mic1 (-d/2,0), mic2 (d/2,0), mic3 (0, d/2), mic4 (0,-d/2),and d is about > 18mm.Every opposite > pair can be composed into

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

2013-01-06 Thread Stefan Schreiber
e of all these trillions of mobile devices, surround of any kind ain't be a niche.) Thanks for your posting, very good point... Stefan -- next part -- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/surs

Re: [Sursound] Make HOA count

2013-01-06 Thread Stefan Schreiber
gregory.pall...@orange.com wrote: Hello, I'm new to this group (even if my colleague Jerome (Daniel) shares sometimes info about it) so I hope you will excuse my usage of this list for the following information and questions ... The MPEG audio group is about to start a standardization process

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

2013-01-06 Thread Michael Chapman
OK, Stefan, I'll look at my diary ;-(> But 1) January 14-23 is ten days ... it is alo both "tentative" and 'next' week; 2 How does all this tye in with "the MPEG-H 3D Audio Workshop" (see copied email below). Whether related, or not, it would seem worth involving Gregory Pallone. If Orange (aka

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

2013-01-06 Thread Stefan Schreiber
Michael Chapman wrote: OK, Stefan, I'll look at my diary ;-(> But 1) January 14-23 is ten days ... it is alo both "tentative" and 'next' week; 2 How does all this tye in with "the MPEG-H 3D Audio Workshop" (see copied email below). 1) I am sorry, the date for the MPEG meetings seem to di

Re: [Sursound] Array for sound field recording and extend the sound image

2013-01-06 Thread Chenrilin
>Do you get the same problem if you playback through four loudspeakers, or >is it only after HRTF manipulation ? >We'll need a bit more information. >* Are the mics omnis, or directional ? If directional, what > are the directions ? >* How exactly to you compute X and Y frm the mic signa