Hi,
As I've remarked in the past, I find the vast majority of binaural stuff has all the images
behind the head for me, unless head tracking is implemented. From talking to people, this appears to
be a less common response than hearing stuff in-head, but I don't know if there's any research to
support that contention more formally.
On the HRTF sample rate, if you are working on a PC, R8Brain Free is about the best sample rate
converter with a gui that there is (at least, free one..). If you don't mind command line, Then
there's SoX, which also has the advantage that it's available for all platforms. Of course, just
upsampling means things aren't going to be right above 20 k or so, but frankly, I can't her that,
nor can most people
Dave
On 12/01/2012 23:52, Hector Centeno wrote:
Thank you Fons for your comments. What parameters did use for zita-bls1? The
default ones?
I guess I could use a different HRTF measurement to avoid the front/back
reversal. IRCAM's Spat comes with other impulse SDIF files that are 44.1kHz
only so I wonder if anyone knows how to resample them to 48kHz, which is what I
use.
Cheers,
Hector
On 2012-01-12, at 5:18 AM, Fons Adriaensen wrote:
On Tue, Jan 10, 2012 at 10:49:12PM -0500, Hector Centeno wrote:
Following up on this thread, I just uploaded a soundscape
piece I made using the Brahma mic, presented here in a
binaural version. The recordings were converted from A
to B-Format with Tetraproc (thanks to Fons for the
calibrated preset), ambisonic decode with Ambdec (using
the extended cube preset extcube-1h1v, which is a regular
cube plus speakers on the centre of each face) and then
binaurally processed with a Max/MSP patch that uses the
IRCAM Spat objects (I also programmed head tracking in
this patch). I wonder if using that Ambdec preset would
be the best for creating BInarual versions so any comments
are welcome.
http://soundcloud.com/hcenteno/world-listening-days-2011
Nice work ! Usually for me binaural without head tracking
just produces in-the-head sound. This one is different:
on headphones everything seems to be _behind_ me ! Except
for the airplane at the end which appeared where on could
expect it.
I also listened on speakers, using zita-bls1 to do the
conversion. This worked quite well, producing some scenes
with an uncanny sense of realism.
Ciao,
--
FA
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