Updated: Tue, 2014-08-19 09:41
Parallel compression is a form of upward compression. It can add punch and energy, without sounding overly squashed. It does this while retaining some of the dynamics of the original signal. This is achieved by mixing a heavy compressed version of the track in with the original, uncompressed version. This is done by using a compressor as a send effect, instead of an insert.
Updated: Wed, 2014-10-08 09:48
Sidechain compression is when a signal, other than the main input, is used to control the amount of compression. A classic example of this is a kick drum being used to duck the level of a bass line. The compressor is inserted on the bass track but the kick drum is used to trigger off the compressor, which in turn momentarily ducks the bass signal, creating a pumping effect.
Tutorial on how to use the SC3 LADSPA plugin for side chain compression
Updated: Wed, 2014-08-13 15:36
A wet/dry setting is used to balance the processed (wet) signal with the unprocessed (dry) signal. This is a common setting on reverb plugins to control how much of the affected signal you want mixed in with the original.
Updated: Wed, 2014-08-13 15:24
A pre-delay setting is found on some reverbs. This setting allows you to set the length of time (in milliseconds) before the onset of the reverb, after the dry signal. This mimics how direct sound and sound reflections in a room arrive at our ears at different times. A short pre-delay will sound as if it is at the room boundaries, whereas a longer pre-delay will be perceived as being closer.
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