Re: [Sursound] Blumlein versus ORTF

2012-04-04 Thread Fons Adriaensen
On Wed, Apr 04, 2012 at 09:59:45AM -0700, Aaron Heller wrote: > It is very simple... simulate Blumlein pickup and playback though > speakers at +/- 45 degrees, low-pass at 800 Hz, and use > cross-correlation to estimate the ITDs, and compare to the natural > hearing case. The result is here >

Re: [Sursound] Blumlein versus ORTF

2012-04-04 Thread Aaron Heller
Last night I coded up a quick experiment in using the Kemar mannequin HRTFs published by Algazi, et al. at UC Davis. http://interface.cipic.ucdavis.edu/sound/hrtf.html It is very simple... simulate Blumlein pickup and playback though speakers at +/- 45 degrees, low-pass at 800 Hz, and use cross

Re: [Sursound] Blumlein versus ORTF

2012-04-03 Thread Robert Greene
Thanks everybody for the links and in particular the calculation of models link. I shall work on that one I know the Lipshitz paper well, but it seems that experts disagree. James Johnston has told me a number of times for example that he thinks getting those time cues from ORTF is really importa