12.1 & Audiences

[Michael Zacherl]

On Feb 24, 2008, at 12:43 AM, Peter Korsten wrote:

> Martin Naef schreef:
>
>> Ahh, no, just one - I think I need to explain what Ambisonic is  
>> (also:
>> google for it). A first order Ambisonic recording is just four  
>> channels
>> WXYZ, which represents the *soundfield* at a given position: W is the
>> pressure (as if you used an omni mic), and XYZ is the 3D pressure
>> gradient - imagine 3 figure-of-eight mics. There are special  
>> microphones
>> (google: Soundfield - we use the ST-350) that output exactly those 4
>> channels.
>
> There was an article in Sound On Sound about this a few years ago;  
> quite
> an interesting read. Isn't the process patented or something?
>
> And so do you use Max/MSP to do all the processing to convert the WXYZ
> signal into the 12 separate channels, or something like that?


probably this one?
http://www.soundonsound.com/sos/Oct01/articles/surroundsound3.asp

    m.ichael

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