The attack setting is as important to the sound of compression as is threshold or ratio. When you hear something that sounds overcompressed, it’s essential to train your ears to be able to tell whether the excess of compression is coming from too much compression or too fast an attack.
The attack parameter is quite powerful and can have a significant impact on your audio. It governs how quickly the compressor acts on a sound that exceeds the threshold. That means that a compressor with a fast attack time setting will squash the transient of a note or percussive hit.
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