What is a Notch Filter?

A Notch Filter is a type of equalization that removes or significantly reduces a very narrow band of frequencies. It is known for its precision in eliminating specific unwanted sounds.

The filter typically targets a single frequency or a tight range, cutting it sharply while leaving surrounding frequencies largely unaffected.

A Notch Filter emphasizes problem-solving in audio, making it useful for removing hum, resonances, feedback, or other isolated noise issues.

It is commonly used in mixing, mastering, and live sound to clean up audio without altering the overall tonal balance.

Today, Notch Filters are essential tools in audio engineering, valued for their ability to surgically remove unwanted frequencies while preserving the integrity of the sound.