Hello Aaron,
On 4 Mar 2012, at 1:28 pm, Aaron Heller wrote:
> On 03/02/2012 08:02 PM, [email protected] wrote:
> A few naive HOA Qs I'm hoping to gain some insight on...
> 1) Order (M) is related to minimum number of loudspeakers by:
>
> (M + 1)^2 for 3D
> 2M + 1 for 2D
These are not correct. To get the HF localization (rE) aligned with
the LF localization (rV), you need at least four speakers for 2-D and
six for 3-D, for first-order playback. For an illustration of the
1st-order, 3-D case, see
http://www.ai.sri.com/ajh/ambisonics/tetra-v-cube.html
http://www.ai.sri.com/ajh/ambisonics/tetra-rVrE/tetra.pdf
Thanks for this!
That's useful to see. Ok, so the eqns above only (?) work for rV?
What about minimum for rE? Is there a similar set of eqns or some
other rule?
Looking forward to seeing BLaH4!
My best,
Jo
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