EQ

F/A/V

The alteration of sound frequencies for a specific purpose, such as to remove 'noise' frequencies or to improve speech clarity.

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PP

The process of balancing the frequency of a sound. This could involve raising the treble and lowering the bass, for example.

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A&V

• Process of altering the frequency response of a video amplifier to compensate for high-frequency losses in coaxial cable.

• In audio, to improve the sound quality by increasing or decreasing the gain of the signal at various frequencies.