What is "Comb Filter"?

Comb Filter

The special coloration of a sound that occurs when combining a signal with a delayed replica of itself is called comb filtering. This is because the frequency response looks like a comb with peaks and dips.

It can occur when two or more microphones at various distances from the sound source are open and a level difference between the output of the microphones is less than 10 dB.

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THE BASICS ABOUT COMB FILTERING (AND HOW TO AVOID IT)

Comb filtering is a well-known problem in audio engineering. When you hear it, you immediately want to get rid of it. As a trained sound engineer, even the slightest hint of comb filtering causes your neck hairs raise.

What is "Comb Filter"?

Comb Filter

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