I believe you're right: binaural is just stereo with a twist. So
hopefully the SuperStereo ATK kernel will work. There's probably other
methods, and if they are linear I could capture them as IRs and apply
them to the binaural recordings (in real time). I would also buy beers,
but I don't go to conferences, I only make noise on Sursound (not even
on FB, where all the fun apparently is now).
Marc
Le 21-03-04 à 10 h 03, Augustine Leudar a écrit :
and its a great Question Marc ! Let's hope someone has an answer for you
that more hopeful than mine. If you could somehow decipher the ILDs and
ITDs of your recordings and work out which bits of the wave file correspond
to "back left" "back Right" "front left" "front right" and put those out
over the corresponding speakers then that could work - if someone knows how
to do that a will buy them a beer at the next conference.
On Thu, 4 Mar 2021 at 14:49, Augustine Leudar <augustineleu...@gmail.com>
wrote:
should have said "quad will always be better than stereo" for
installations
On Thu, 4 Mar 2021 at 14:48, Augustine Leudar <augustineleu...@gmail.com>
wrote:
yeah - I read the binaural to Bformat section. But the problem is with
what they describe there that I don't think it would be any different from
converting a normal stereo signal to b format - in fact it could even be a
little bit worse. Its nothing to do with Kemar heads - just the fact if you
have a piece of software like Dearvr you can pan a sound in a circle and
output it as Binaural or FOA or whatever. The problem you'll have with
panning binaural on to speaker like they described panned left and right
etc is you will get the binaural cues for the left ear hitting both ears
and the binaural cues that are just for the right ear hitting both ears
thus rendering any "binaural" cues in the recording ineffective - even
worse with quad - thats why crosstalk cancellation is built in to
transaural systems - but Ive not hear dthat work very well either.
I think you're best bet would be to convert binaural to normal stereo and
do that for two pairs - quad will always be better than binaural for an
installation or just build up a quad soundscape from scratch .And yes I did
try what you are describing years ago .
On Thu, 4 Mar 2021 at 14:39, Marc Lavallée <m...@hacklava.net> wrote:
Humans heads may be different from the mythic KEMAR dummy head, but for
my use case I don't think it matters...
I don't expect this "conversion" to be precise, or as a mean to archive
binaural recordings using ambisonics; my intention is simply to use
binaural recordings for an art installation with small speakers close to
the user; I suspect it would feel better with a quad setup than a stereo
setup, because the user would move (turning its head and/body).
See the "Binaural to B-Format" section of
https://www.ambisonic.net/quaduhj.html, then the Pan-Rotate section of
"http://www.ambisonic.net/ambimix.html";; How to do something similar
with software methods?
I'll try a few things, but maybe someone in the large Sursound community
did something similar?
(All we see now on this mailing list are academic/commercial
announcements, so please excuse my naïve question...)
Marc
Le 21-03-04 à 09 h 21, Augustine Leudar a écrit :
There might be something that uses crosstalk cancellation that might
work
for a normal two speaker (transaural) approach? Although I can't see
how it
would work for quad though - or why youd need to use ambisonics fo it.
I
know Spat has a binaural transaural converter - which can also convert
to
quad - but I dont know if you can use your own recordings - I think
it's
just for stuff panned in the software....
On Thu, 4 Mar 2021 at 14:15, Augustine Leudar <
augustineleu...@gmail.com>
wrote:
I'm, not sure there would be Marc - I can see how it easy enough to
convert in software ambisonics to binaural by convolving with HRTFs
and
potentially the other way round too if you used the same software
that was
convolving HRTFS to output Ambisonics (or even plain old quad) but a
recording with your own personal HRTFs on it ? I cant see how -
unless
theres some super software that has your personal HRTF , can get that
data
from the recording (which sounds very difficult) and convert to
ambisonics/whatever - would love to be wrong though!
On Thu, 4 Mar 2021 at 13:55, Marc Lavallée <m...@hacklava.net> wrote:
I have a "back to the basics" question.
For a simple project I planned to record in FOA or HOA, but the final
render would be in simple quad (horizontal). So I don't need a lot of
resolution. I enjoy recording with binaural microphones (the kind
that
looks like cheap earbuds), so I can record continuously without being
noticed.
So I wondered; is there a method to "convert" binaural to
horizontal-only FOA? Apparently there is:
https://www.ambisonic.net/quaduhj.html
http://www.ambisonic.net/ambimix.html
I guess my question is: what would be the software equivalent of a
pan-rotate device?
Marc
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