I would be highly interested to hear about the results of such experiments.
However, you can generate the R channel (which was the first step) AND
upsample from 2nd to 3rd order.
http://research.spa.aalto.fi/projects/compass_vsts/
Input: 2nd order
Output: 3rd order
(COMPASS < upmixer > screenshot.)
Best,
Stefan
Steven Boardman <boardroomout...@gmail.com> wrote:
If you wanted to up mix Octomic with Compass (and it doesn?t do
this automatically)?..
Up mix the first order components to 2nd order first, which will
give you something for that channel, then add that to the empty 2nd
order channel before you up mix above 2nd order ..:)
That's an interesting idea! I'll try it later today.
OctoMic is a very well calibrated 2h1v microphone. That means that
it's natively accurate in the elevation plane to above 60 degrees,
which exceeds the human auditory perceptual system for location cue
precision in that plane.
When decoding to Atmos 7.1.4, our customers (Abbey Road Studios and
others) report that simply padding the third-order channels with
silence, and then using Blue Ripple's O3A third-order decoder works
very well.
But if it works well, your idea of using a parametric decoder to
generate the R channel might be very useful. Thanks!
Len Moskowitz (mosko...@core-sound.com)
Core Sound LLC
www.core-sound.com
Home of OctoMic and TetraMic
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