Re: [Sursound] New filter

2011-06-01 Thread Fons Adriaensen
On Tue, May 31, 2011 at 11:16:34PM -0400, Marc Lavallée wrote: In the meanwhile, here's my jconvolver config (I hope it is valid; it works well for me): /convolver/new 2 2 1024 4096 /impulse/read 1 1 1 0 0 0 1 David_Wareing3_Left.wav /impulse/read 1 2 1 0 0 0 2 David_Wareing3_Left.wav

Re: [Sursound] New filter

2011-06-01 Thread Marc Lavallée
Le Wed, 1 Jun 2011 09:27:27 +, Fons Adriaensen f...@linuxaudio.org a écrit : On Tue, May 31, 2011 at 11:16:34PM -0400, Marc Lavallée wrote: In the meanwhile, here's my jconvolver config (I hope it is valid; it works well for me): /convolver/new 2 2 1024 4096 /impulse/read 1 1

Re: [Sursound] New filter

2011-05-31 Thread Marc Lavallée
Le Mon, 30 May 2011 17:54:12 +0100, dw surso...@dwareing.plus.com a écrit : On 30/05/2011 17:45, Fons Adriaensen wrote: 2. Would you give me permission to add your filter (and a 48 kHz version) to the set supplied with jconvolver, with proper attribution in the config file of course ?

Re: [Sursound] New filter

2011-05-30 Thread Ralph Glasgal
To: Surround Sound discussion group sursound@music.vt.edu Sent: Sunday, May 29, 2011 11:13 AM Subject: [Sursound] New filter Free Ambiophonic stereo-dipole type crosstalk cancelling filter. For 3 sample delay @ 44100. Speaker angle ~ ± 7.5 degrees. Tested with Jawbone Jambox @ ~40 cm. distance

Re: [Sursound] New filter

2011-05-30 Thread Stefan Schreiber
for clarifications Stefan Schreiber From: dw surso...@dwareing.plus.com To: Surround Sound discussion group sursound@music.vt.edu Sent: Sunday, May 29, 2011 11:13 AM Subject: [Sursound] New filter Free Ambiophonic stereo-dipole type crosstalk cancelling filter. For 3 sample delay @ 44100. Speaker angle

Re: [Sursound] New filter

2011-05-30 Thread dw
On 30/05/2011 16:18, Fons Adriaensen wrote: On Mon, May 30, 2011 at 07:49:19AM -0700, Ralph Glasgal wrote: RACE operates over the full bandwidth although it does nothing useful XTC-wise in the very low bass or the very high treble. David's operates only between 200 and 1000 Hz. I wonder what

Re: [Sursound] New filter

2011-05-30 Thread Fons Adriaensen
On Mon, May 30, 2011 at 05:08:41PM +0100, dw wrote: On 30/05/2011 16:18, Fons Adriaensen wrote: On Mon, May 30, 2011 at 07:49:19AM -0700, Ralph Glasgal wrote: RACE operates over the full bandwidth although it does nothing useful XTC-wise in the very low bass or the very high treble. David's

Re: [Sursound] New filter

2011-05-30 Thread dw
On 30/05/2011 17:45, Fons Adriaensen wrote: On Mon, May 30, 2011 at 05:08:41PM +0100, dw wrote: On 30/05/2011 16:18, Fons Adriaensen wrote: On Mon, May 30, 2011 at 07:49:19AM -0700, Ralph Glasgal wrote: RACE operates over the full bandwidth although it does nothing useful XTC-wise in the

Re: [Sursound] New filter

2011-05-30 Thread Fons Adriaensen
On Mon, May 30, 2011 at 05:54:12PM +0100, dw wrote: It is the point at which it goes through zero as the phase goes through 180 degrees. Now I'm puzzled... That frequency corresponds to a wavelength of 2.6 meter, which is more than 10 times the size of a human head. Which phase (or phase

Re: [Sursound] New filter

2011-05-30 Thread dw
On 30/05/2011 15:49, Ralph Glasgal wrote: David's new crosstalk cancelling impulse response filter is a valuable addition to the large library of crosstalk cancelling gizmos now available. I just used it with Waves IR-L (under AudioMulch) for the front speakers and RACE (via TacT) for the

Re: [Sursound] New filter

2011-05-30 Thread Fons Adriaensen
On Mon, May 30, 2011 at 07:32:52PM +0100, dw wrote: At low frequencies this corresponds to the signals being (nearly) 180 out of phase at the speakers until I give up on flogging the speakers to death and swap to driving them in phase. I understand. As frequency goes down more and more

Re: [Sursound] New filter

2011-05-30 Thread dw
On 30/05/2011 22:28, Fons Adriaensen wrote: On Mon, May 30, 2011 at 07:32:52PM +0100, dw wrote: At low frequencies this corresponds to the signals being (nearly) 180 out of phase at the speakers until I give up on flogging the speakers to death and swap to driving them in phase. I understand.