Re: [Sursound] Naive HOA Questions

2012-10-22 Thread Sampo Syreeni
On 2012-03-09, j.l.ander...@phonecoop.coop wrote: Interestingly enough... this seems to imply that for HRTF decoding, you're best choices are either a) build a decoder using the smallest number of speakers necessary (between 6 and 8 for FOA) If your source signal is the ambisonic B-format

Re: [Sursound] Naive HOA Questions

2012-03-09 Thread j.l.anderson
Hello Sampo, On 6 Mar 2012, at 3:14 pm, Sampo Syreeni wrote: Ville pulkki was once kind enough to demonstrate this to me in an anechoic chamber. A hexagonal decode sounded much worse than a square one, and at 12 equally spaced speakers, it was just muddled, but otherwise not as bad as at 6.

Re: [Sursound] Naive HOA Questions

2012-03-06 Thread Dave Malham
On 03/03/2012 00:40, Jörn Nettingsmeier wrote: hi joseph, On 03/02/2012 08:02 PM, j.l.ander...@phonecoop.coop wrote: Hi All, A few naive HOA Qs I'm hoping to gain some insight on... 1) Order (M) is related to minimum number of loudspeakers by: (M + 1)^2 for 3D 2M + 1 for 2D Even

Re: [Sursound] Naive HOA Questions

2012-03-05 Thread Fons Adriaensen
On Sun, Mar 04, 2012 at 01:28:10PM -0800, Aaron Heller wrote: I would not say that I've heard no detrimental effects on large arrays -- I've heard all sorts of problems, but in every case I've been able to attribute it to other reasons: bad decoder, errors in speaker positions, feeding

Re: [Sursound] Naive HOA Questions

2012-03-05 Thread Sampo Syreeni
On 2012-03-05, j.l.ander...@phonecoop.coop wrote: That's useful to see. Ok, so the eqns above only (?) work for rV? rV can do with less. Those numbers are for rV and rE, simultaneously. You can't really do ambisonic without both working at the same time, so that's why those are the numbers

Re: [Sursound] Naive HOA Questions

2012-03-05 Thread Sampo Syreeni
On 2012-03-06, Sampo Syreeni wrote: rV can do with less. Those numbers are for rV and rE, simultaneously. You can't really do ambisonic without both working at the same time, so that's why those are the numbers being given out as the minimum. And sorry for being too terse; it's been awhile

Re: [Sursound] Naive HOA Questions

2012-03-04 Thread j.l.anderson
Hello Jörn, Thanks for your views on all this!! Will look for the Zotter et al. paper. My best, Jo On 2 Mar 2012, at 4:40 pm, Jörn Nettingsmeier wrote: hi joseph, On 03/02/2012 08:02 PM, j.l.ander...@phonecoop.coop wrote: Hi All, A few naive HOA Qs I'm hoping to gain some insight

Re: [Sursound] Naive HOA Questions

2012-03-04 Thread Aaron Heller
On Fri, Mar 2, 2012 at 4:40 PM, Jörn Nettingsmeier netti...@stackingdwarves.net wrote: On 03/02/2012 08:02 PM, j.l.ander...@phonecoop.coop wrote: A few naive HOA Qs I'm hoping to gain some insight on... 1) Order (M) is related to minimum number of loudspeakers by: (M + 1)^2 for 3D 2M + 1 for

Re: [Sursound] Naive HOA Questions

2012-03-02 Thread Jörn Nettingsmeier
hi joseph, On 03/02/2012 08:02 PM, j.l.ander...@phonecoop.coop wrote: Hi All, A few naive HOA Qs I'm hoping to gain some insight on... 1) Order (M) is related to minimum number of loudspeakers by: (M + 1)^2 for 3D 2M + 1 for 2D Is there a similar relationship for order and loudspeaker