Re: [Sursound] Question about plane waves, and the precedence effect

2012-09-29 Thread Augustine Leudar
my understanding (which Im the first to admit is limited) was that the W gave the position on the xyz axis - ie if the x,y, or z was in or out of phase with the w it would give you info on which side of the fig of 8 the signal was coming from and thus location on that axis. The way I built my enco

Re: [Sursound] Question about plane waves, and the precedence effect

2012-09-29 Thread Paul Hodges
--On 29 September 2012 23:08 +0100 Augustine Leudar wrote: so how would it occur that Richard would have activity registering on his x,y, and z meters but not the w one ? Because there was no significant pressure signal, only a velocity one. He did say this was an extreme situation (distan

Re: [Sursound] Question about plane waves, and the precedence effect

2012-09-29 Thread Fons Adriaensen
On Sat, Sep 29, 2012 at 11:10:11PM +0200, Jörn Nettingsmeier wrote: > On 09/29/2012 01:06 AM, Augustine Leudar wrote: > >that is . weird. Im sure someone will have to remind me - memories of > >constructing my ambisonic microphone and encoder are already fading but > >isnt the omni W the sum o

Re: [Sursound] Question about plane waves, and the precedence effect

2012-09-29 Thread Jörn Nettingsmeier
On 09/29/2012 01:06 AM, Augustine Leudar wrote: that is . weird. Im sure someone will have to remind me - memories of constructing my ambisonic microphone and encoder are already fading but isnt the omni W the sum of the XY and Z +/- (each with a reduced gain) ? no. in the case of a tetra