Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-07 Thread arthur de conihout
Hello thanks for all your answers. I had a look at some references in this field. Mostly in R. Nicoll Monograph on Binaural Technology, which is the best recent overview i could find (on AES). All the solutions mentionned in the ones you submitted are included ;) You might do better with interpola

Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-06 Thread David
On 06/07/2010 12:08 AM, Anne Archibald wrote: > > I think the kicker is here: what is the right way to interpolate > between filters? There is no right way that I know of, it really depends on what you are doing. The big issue here is that a filter which changes is obviously not time independen

Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-06 Thread Anne Archibald
On 6 June 2010 04:44, David Cournapeau wrote: > On Thu, Jun 3, 2010 at 7:49 PM, arthur de conihout > wrote: > >> I don't know if i made myself very clear. >> if anyone has suggestions or has already operated a dynamic filtering i >> would be well interested. > > Does fade-in/fade-out actually wor

Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-06 Thread David Cournapeau
On Thu, Jun 3, 2010 at 7:49 PM, arthur de conihout wrote: > I don't know if i made myself very clear. > if anyone has suggestions or has already operated a dynamic filtering i > would be well interested. Does fade-in/fade-out actually works ? I would have thought that it had killed the propertie

Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-04 Thread David Huard
On Thu, Jun 3, 2010 at 9:52 AM, arthur de conihout < arthurdeconih...@gmail.com> wrote: > Hi, > thanks for your answer > > *why don't you compute all possible versions beforehand* > > > thats exactly what i m doing presently cause i m using a 187 filters > database(azimuth and elevation).I would l

Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-03 Thread Friedrich Romstedt
Have you ever considered using pygame? Afaik, it is based on SDL and therefore should support realtime mixing and writing to the sound buffer simultaneously as it is played back. I did not check the gory details but it seems that pygame has the Mixer interface from SDL, good luck! For your thing

Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-03 Thread arthur de conihout
Hi, thanks for your answer *why don't you compute all possible versions beforehand* thats exactly what i m doing presently cause i m using a 187 filters database(azimuth and elevation).I would love to be able to reduce the angle thread under 5° which triggers around 1000 files to produce.For a 3

Re: [Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-03 Thread David Huard
Hi Arthur, I've no experience whatsoever with what you are doing, but my first thought was why don't you compute all possible versions beforehand and then progressively switch from one version to another by interpolation between the different versions. If the resolution is 15 degrees, there aren't

[Numpy-discussion] "Dynamic convolution" in Numpy

2010-06-03 Thread arthur de conihout
Hello everybody i m fighting with a dynamic binaural synthesis(can give more hints on it if necessary). i would like to modify the sound playing according to listener's head position. I got special filters(binaural ones) per head position that i convolve in real time with a monophonic sound.When