This article is a draft and may contain incomplete or incorrect information.

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DRC - Dynamic Range Compression


Dynamic Range Compression

The dynamic range of an audio track is the difference between the softest and loudest sounds.

Dynamic range compression reduces the gap between those extremes.

On the Audio tab, each track provides an option to set the level of compression you wish.

Values greater than 1.0 compress the range further by boosting the volume of soft sound samples while leaving loud samples as they are. This squeezes down the range between the softest and loudest parts, but should make the softer ones easier to hear in noisy listening environments. Note, this is not the same as a gain or volume boost control.



Dynamic range compression only works when the source audio is AC3 and you are encoding to another format, like AAC. It has no affect on AC3 pass-through or on DTS or MPEG-2 audio.