A compressors release determines the amount of time it takes for the compressor to stop compressing the input signal once it’s fallen back below the compressor’s threshold.
The release on a transient shaper allows you to control the amount of downwards compression, or upwards expansion applied to the decaying transient, which can really help to thicken the tail of the signal or tighten up the sample. On a compressor, the attack controls the time it takes to apply the downwards compression. The attack on a transient shaper allows you to control the amount of downwards compression or upwards expansion applied to the initial transient. The other difference between transient shapers and compressors is the way in which the attack and release controls work. Compressors trigger when their input signal passes a threshold, while transient shapers trigger based on the rate at which their input signal level increases. Additionally, compressors that are capable of swapping between these two processing modes cannot apply mixed compression and expansion to the attack and release of a transient the entire input signal either gets compressed or expanded when it crosses the compressor's threshold. Many compressors are capable of switching into an expansion mode, but they are then acting as expanders, and not compressors. You can apply expansion to the initial transient to give it more bite, and also apply compression to the transient's tail to tighten it up. For example, it can apply compression and expansion to the same transient at different points in time. Types of ProcessingĪ transient shaper is capable of applying mixed forms of dynamics processing to a single transient. At the end of this short guide I'll also explain when it's appropriate to use each type of device.
However, there are a few key differences in the types of processing these devices can apply, and the way in which their controls function. With sample-based music, in which all of your drum hits are of the same amplitude, it would at first seem like a compressor is capable of applying the same type of processing as a transient shaper.
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