12.1 & Audiences

[Peter Korsten]

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?

- Peter