Table:
0
A
B
C
D
E
1
Horizontal order
Height order
Soundfield type
Number of channels
Channels
2
1
0
horizontal
3
WXY
3
1
1
full-sphere
4
WXYZ
4
2
0
horizontal
5
WXYUV
5
2
1
mixed-order
6
WXYZUV
6
2
2
full-sphere
9
WXYZRSTUV
7
3
0
horizontal
7
WXYUVPQ
8
3
1
mixed-order
8
WXYZUVPQ
9
3
2
mixed-order
11
WXYZRSTUVPQ

Questions and formulas:
Question: If the channels is wxyzrstuvpq, what is the horizontal order?
Formula: FILTER(A1,E1="WXYZRSTUVPQ")
Formula2: FILTER(A2:A9,E2:E9="WXYZRSTUVPQ")
Level: easy
Question: If the height order is 1 and the soundfield type is mixed-order, what are all the channels?
Formula: FILTER(E1,(C1="mixed-order")*(B1=1))
Formula2: FILTER(E2:E9,(C2:C9="mixed-order")*(B2:B9=1))
Level: easy
Question: If the channels is wxyzuv, what is the number of channels?
Formula: FILTER(D1,E1="WXYZUV")
Formula2: FILTER(D2:D9,E2:E9="WXYZUV")
Level: easy