Ambisonics
Possible combinations
Columns: Horizontal order | Height order | Soundfield type | Number of channels | Channels
1 | 0 | horizontal | 3 | WXY | 1 | 1 | full-sphere | 4 | WXYZ | 2 | 0 | horizontal | 5 | WXYUV | 2 | 1 | mixed-order | 6 | WXYZUV | 2 | 2 | full-sphere | 9 | WXYZRSTUV | 3 | 0 | horizontal | 7 | WXYUVPQ | 3 | 1 | mixed-order | 8 | WXYZUVPQ | 3 | 2 | mixed-order | 11 | WXYZRSTUVPQ