The three-to-one rule states:
A) Use 3 mics if 1 mic doesn't work well.
B) The mic-to-source distance should be 3X the mic spacing.
C) Space the mics at least 3X the mic-to-source distance.
D) Three mics pick up 3x as much sound as one mic.

Question

Quizplus · Accepted Answer

The three-to-one rule states that the distance between the microphones should be at least three times the distance from each microphone to the sound source. This is to ensure proper phase and time alignment and prevent comb filtering.

The Three-To-One Rule States