Pitch detection is not required
A. 1 and 4 are correct
B. 1 and 3 are correct
C. 2 and 4 are correct
D. All four are correct
Answer:A
Pitch detection is not required
A. 1 and 4 are correct B. 1 and 3 are correct C. 2 and 4 are correct D. All four are correct