When editing you can’t indefinitely add more volume to your audio recording as that will cause clipping. Clipping is often triggered due to too high gain settings, speaking too close or too loud into the microphone and increasing volume too high when editing. This enables you to accurately hear the difference between the original and the compressed sound.Audio clipping is an occurrence where your audio input is too high for an amplifier to output and the excess in signal causes a distortion. Release: This controls how long it takes for a compressor to relax the compression once your audio level has fallen below the threshold.Īuto Makeup Gain: This setting can be used to restore however much gain you reduced from the original signal using gain reduction. It controls the length of time it takes for a compressor to kick in after the audio signal exceeds the threshold. Using your ears, determine which ratio sounds best for your mix.Īttack: This is the reaction time of a compressor. As a rule, high ratios make compression more noticeable / aggressive, whereas lower ratios produce more subtle compression. For example, if the ratio is set to 3:1, for every 3dB the volume goes over the threshold that you set, 1dB will be outputted. Ratio: The Ratio determines how much gain / volume reduction is being applied when the compressor starts working.
You can set the threshold to whatever point you desire. For instance, if you set the threshold to -20dB, than compression will be applied to everything above -20dB and not applied to everything lower than -20dB. Threshold: Setting the threshold indicates where you want the compression to occur. Here are some parameters used in audio compressors that you will need to know. The video resource above explains compression nicely.
Understanding how and when to use compression can be complicated. Audio Compression reduces the difference between the quietest and loudest part of the song or audio file.
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