Re: [Sursound] Waveplayer - 16 chnl SD-card audio device

2012-07-10 Thread Dave Malham
Hi Marc I've certainly thought about doing that, but not initially since it means that (a) you would be limited to passive speakers (b) the specs aren't as good as the Analog Devices ADAU1966, the evaluation board for which is sitting next to me :-) (c) serious levels of hardware design neede

Re: [Sursound] Waveplayer - 16 chnl SD-card audio device

2012-07-10 Thread Dave Malham
Thought you just might have meant that :-) Dave On 10/07/2012 02:24, Marc Lavallée wrote: I meant: "one D/A conversion" I wrote: It's possible to skip the A/D conversion by using amplifiers with digital inputs. Texas Instruments have a 8 channels digital to PWM converter that can drive D-

Re: [Sursound] higher order ambisonics over 8 to 10 loudspeakers

2012-07-10 Thread Dave Malham
It's implied, but not really explicitly given in 'Ambisonics Encoding of Other Audio Formats for Multiple Listening Conditions' by Daniel, Jérome; Rault, Jean-Bernard; Polack, Jean-Dominique AES Convention:105 (September 1998) Paper Number:4795. I think there's a corrected version on Jerome's

Re: [Sursound] Domestic Concert Hall

2012-07-10 Thread Jörn Nettingsmeier
On 07/09/2012 06:15 PM, Simon Edmonds wrote: using first order for reverb is fine as the overall localisation is not critical. In the next incarnation of my system I will have a 3rd order mixer but still using a 1st order send and reverb i used to say the same, but i have found it's not true a

Re: [Sursound] higher order ambisonics over 8 to 10 loudspeakers

2012-07-10 Thread Jörn Nettingsmeier
On 07/09/2012 03:17 PM, GP wrote: I did wonder about using Daniel Courville's plugins to do decoding for the height info separate to HARPEX. The HARPEX decoding does sound good ( how can I confirm it is 3rd order over 8 speakers?) and so if I could add height using another approach that would be

Re: [Sursound] higher order ambisonics over 8 to 10 loudspeakers

2012-07-10 Thread Garth Paine
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Re: [Sursound] Waveplayer - 16 chnl SD-card audio device

2012-07-10 Thread Marc Lavallée
Hi Dave Dave Malham a écrit : > Hi Marc > > I've certainly thought about doing that, but not initially since it > means that > > (a) you would be limited to passive speakers This limitation is a feature: with less hardware the cost is lowered and the quality is raised. It would be a good choi