Enrique Tomas wrote:
then,
supposing that we impose using "only positive elevations" for the encoded audio material, and loading your recommended preset,
if I truncate the physical speakers like:
0º elevation -> 8 speakers
+45º elevation -> 6 speakers
plus 1 speaker on top
will this truncation preserve the sound image decently?
I would be more than happy if you could send me that preset, thank you very much.
For full 3D 3rd order, one of the best setups is 1 + 6 + 8 + 6 + 1,
meaning 1 speaker at the bottom (optional of course), a ring of 6
at elevation -45 degrees, a ring of 8 at zero elevation, a ring of
6 at +45 degrees and 1 on top.
I repeat my question, now on this list:
Isn't 2nd (vertical) order enough for this configuration, in both cases?
(full-spherical/half-spherical)
I have to ask, because according to me, 2nd vertical order should be
adequate for a HOA format which would be decoded to 22.2 speaker layout.
(-15º, 0º, 35º and 90º elevation levels. I know that this is not a
regular layout, but this would be the next issue needing some
clarification... :-) )
Thanks,
Stefan
Enrique
2013/2/9 Fons Adriaensen <[email protected]>
On Sat, Feb 09, 2013 at 02:32:07PM +0000, Enrique Tomas wrote:
- If not, what do you think would be my best candidate from your practical
experience?
For full 3D 3rd order, one of the best setups is 1 + 6 + 8 + 6 + 1,
meaning 1 speaker at the bottom (optional of course), a ring of 6
at elevation -45 degrees, a ring of 8 at zero elevation, a ring of
6 at +45 degrees and 1 on top.
Without the bottom one that's 21 speakers. This is being used at
various places with Ambdec. I'd be happy to provide the decoder
preset.
Note that to preserve horizontal resolution at +/-45 degree you
really need six (8 * cos (45) rounded up) and not four. With less
speakers on those rings you get a 3rd order horizontal-only system
with a lower order 3D on superposed on it.
P.S. Your TetraMic config will be ready in a few days.
Ciao,
--
FA
A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)
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