How to use soundfield submix to implement ambisonic?

Hi all,

I have a question about use soundfield submix.

Does soundfield submix is imported in sound wave details(submix->submix)?

After I create a soundfield submix,

How to use soundfield submix to implement ambisonic?

Hello. I basically found the same issue and nobody seems to know how the Soundfield submixes work. Did you manage to find a solution? Thanks in advance.