Re: [Sursound] Ambisonics decoder to hrtf with VR support

2015-03-13 Thread Alexis Shaw
> On 13 Mar 2015, at 10:19 pm, Jörn Nettingsmeier > wrote: > >> On 03/09/2015 12:12 PM, Tobix wrote: >> >> I've read that ambisonics is good for listener in center, right? This >> means that if player can move the sound effect will be distorted? > > If you're using pre-rendered Ambisonics file

Re: [Sursound] Patent application: Data structure for HOA

2012-10-30 Thread Alexis Shaw
r the audio as 2L = sqrt(2)W + Y and 2R = sqrt(2)W - Y easy to get W and Y out, then just ship X and Z in another stream with a custom tag. Alexis Shaw On 30 October 2012 21:24, Peter Lennox wrote: > Am I missing something? - for mobile use, wouldn't B-format to binaural be > bette

Re: [Sursound] Patent application: Data structure for HOA

2012-11-01 Thread Alexis Shaw
For HRTF based sound, headphones work the best. The HRTF is the solution of the in-head effects. On 2 November 2012 14:07, Stefan Schreiber wrote: > Richard Dobson wrote: > > The same is true of stereo too. There are people who just don't hear >> stereo as stereo. If the response to "lack of pe

Re: [Sursound] Making a standalone 8ch player

2013-05-23 Thread Alexis Shaw
Do you need internal dacs. How many channels do you need implemented. I am working on a solution to the same problem at the moment. On Thursday, May 23, 2013, Marc Lavallée wrote: > That's an interesting idea: clustering Raspberry Pis > with cheap 8 channels usb modules and jackd2. > -- > Marc

Re: [Sursound] Making a standalone 8ch player

2013-05-23 Thread Alexis Shaw
s what you mean. I am thinking > 8 outputs to start with min 16 bit 44.1 but it would be nice to have > something that could be easily customisable for more > > On 23 May 2013 14:08, Alexis Shaw > > wrote: > > > Do you need internal dacs. > > > > How many c

Re: [Sursound] Making a standalone 8ch player

2013-05-23 Thread Alexis Shaw
tty cool USB library that does highspeed IO. > PCM3168 is a tough chip to solder though... > > Ben > > > > On Thu, May 23, 2013 at 8:47 AM, Alexis Shaw > > > wrote: > > > I am working on a system that can drive 40 or so channels based on a zynq > >

[Sursound] Spherical microphone array

2013-10-18 Thread Alexis Shaw
Hello all. I was wondering what people thought of the usefulness of a 10cm diameter spherical microphone array with 1000 mems detectors. (I'm Thinking of using ADMP621s) I know that this has a kr of about 3.2 but with the large number of microphones I was thinking it might be possible to get a 4t

[Sursound] Dual hexagon using in-ceiling uppers and matching in-wall lowers

2013-12-16 Thread Alexis Shaw
Hello All I am a long time lurker here, and have been interested in setting up an ambisonic listening room in my house for some time. I have finally got the courage to try, however the only room that I have available to use is multi-use and only of moderate size 20m^2 (3940*4750*2690mm) In order t

Re: [Sursound] Dual hexagon using in-ceiling uppers and matching in-wall lowers

2013-12-16 Thread Alexis Shaw
is helps!! > > > My best, > > ~~~~ > Joseph Anderson > > j.ander...@ambisonictoolkit.net > http://www.ambisonictoolkit.net > > > > > On 16

Re: [Sursound] Dual hexagon using in-ceiling uppers and matching in-wall lowers

2013-12-16 Thread Alexis Shaw
On Tuesday, December 17, 2013, Fons Adriaensen wrote: > On Tue, Dec 17, 2013 at 10:13:15AM +1100, Alexis Shaw wrote: > > > In terms of decoder I was intending to hack a hifi preamp with an 8 > > input-12output matrix 128k long fir filters. That is DFT the inputs, for > >

Re: [Sursound] Dual hexagon using in-ceiling uppers and matching in-wall lowers

2013-12-16 Thread Alexis Shaw
Hi Joseph. I am thinking of hacking the emotiva UMC-200, if I use the secondary zone DACs I should be able to get some reasonable quality out of it. Regards Alexis Shaw On Tuesday, December 17, 2013, Joseph Anderson wrote: > Hello Alexis, > > Sounds like a fun project. What is the

Re: [Sursound] Dual hexagon using in-ceiling uppers and matching in-wall lowers

2013-12-16 Thread Alexis Shaw
On Tuesday, December 17, 2013, Fons Adriaensen wrote: > On Tue, Dec 17, 2013 at 10:53:23AM +1100, Alexis Shaw wrote: > > > > 1. That's giant overkill, completely useless. Whatever you need > > >as filtering in a decoder can be done easily with much shorter >