Makeup gain is an audio processing technique used to increase the output level of a signal after it has been dynamically processed, typically by a compressor or limiter. This adjustment is necessary because dynamic processing can reduce the overall level of the audio signal, and makeup gain compensates for that reduction, ensuring the output maintains an appropriate loudness and balance. It plays a crucial role in optimizing the sound in various mixing situations, helping to enhance dialogue clarity and overall mix cohesion.
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