On 2021-12-07, Hannes Helmholz wrote:

(Also: SMA here refers to spherical microphone array)

Thank you for the clarification.

It's not self-evident that it is spherical, though, since it's really just circular, by said symmetry.

As a wannabe-mathematician, I kinda worry about the precise topology and symmetry. Especially since it does goes to my argument about how oblique modes in the acoustic field excite a discrete array of microphones.
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