What is the purpose of using a limiter in audio processing?

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Using a limiter in audio processing primarily serves to prevent distortion by controlling the signal levels. Limiters function by setting a threshold, where any audio signal exceeding this threshold is automatically reduced in level. This is crucial in audio production because signals that are too loud can lead to clipping, which creates unwanted distortion in the sound. By limiting these peaks, the overall mix can remain clear and maintain fidelity without compromising sound quality.

While improving clarity or increasing signal strength might be indirect benefits of proper limiting, the key function is to protect the audio from distortion caused by excessive levels. Enhancing sound effects is not the primary purpose of a limiter, as its main job is to ensure that the audio does not exceed acceptable loudness levels while preserving the integrity of the sound.