Maybe a silly question...
But how much work has been done on the self-consistency of HRTFs? I'm
aware that ear-wax, colds, which way round I sleep, etc can affect the
level and HF response of one ear to another. And clothing, haircuts etc
must significantly change the acoustic signal round our heads.
So are measured HRTFs consistent over time? Or do we re-calibrate
ourselves on a continuous basis?
If the latter is true, then I can see that a generic HRTF could work if
we were given some method (and time for) calibration.
Chris Woolf
On 25-Jan-16 11:45, Bo-Erik Sandholm wrote:
Just a short note, my wish list for what I think. could be a good way of
doing binaural coding is to use these parameters:
- the distance between the ears (head size) is the most import factor so
maybe 5 sizes to choose from. ( I have a larger inter ear distance than the
norm)
- use only simple generic compensation for ear shape above ~4kHz.
- the shoulder reflection controlled by head tracking data, the simplest
way is to assume the listener is stationary and only turns his head. Could
this be implemented to be a parametric controlled filter set?
Can anyone create a binaural encoding using this?
I think the shoulder compensation is something that have not been done.
As far as I know all binaural encodings are done using data sets with a
fixed head and shoulder position.
Best regards
Bo-Erik Sandholm
Stockholm
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