On 21/12/2013 03:40, David Worrall wrote:
I remember reading that, with exposure, human's audio-processing "hardware" can
adapt to/learn how to use a non-optimal HRTF, given a bit of time.
Does anyone have a reference for this?
http://128.102.119.100/publications/wenzel_1993_Localization_Head_Related.pdf
David
On 15/12/2013, at 5:57 PM, Marc Lavallée wrote:
Hi Dave.
I never tried head tracking while listening to stereo or Ambisonics (I'm
not that much of an "insider"). I'm optimistic about it, even with
virtual microphones; but I suspect that the contribution of head
tracking would then be limited to the interpretation of level
differences and transitions between the left and right.
What I miss is a realistic HRTF rendering experience (without head
tracking). For every HRTF I tried (from the KEMAR and LISTEN sets), as
with stereo, front sources were always "in the head", not at the front;
the front test tone was just louder then the rear one.
I don't know what are the right conditions to experience good HRTF based
localization (in a acousmatic context, without visual cues). I don't
know if using a personal (measured) HRTF would be better; I just assume
that it would be better because my own binaural recordings sound quite
right, but probably just for me (to be verified) because I experienced
the real sound scenes while recording them.
--
Marc
Sun, 15 Dec 2013 13:50:09 +0000,
Dave Malham <dave.mal...@york.ac.uk> a écrit :
Hi Marc,
I think it is, perhaps, a little pessimistic to talk of needing to
assess dozens of hrtf's to find the one that's right for for you, if
you have head tracking in use. My experience with this dates back 20
years to the days of the Lake DSP Huron systems when I first heard
this - even without specific hrtfs switching the the head tracking on
was enough to change the system from not working (for me) to working.
The head tracking (done with a Polyhemus sensor controlling the
processing of FOA B format signals prior to decoding) was enough with
no need to select hrtf's. I would suspect that having just a few to
select from would be enough.
Dave
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Prof. Dr. David Worrall
Emerging Audio Research (EAR)
Audio Department
International Audio Laboratories Erlangen
Fraunhofer-Institut für Integrierte Schaltungen IIS
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