Difference between revisions of "Envelope generator"

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== ADSR ==
Most often the envelope generator is an ADSR (Attack Decay Sustain Release), which may be applied to overall [[amplitude]], [[frequency]], or [[Voltage controlled filter|filter]]. It is usually triggered by a [[gate]] signal from the keyboard.<ref name="q109">Synthesizers.com [http://www.synthesizers.com/q109.html Q109 Envelope Generator]</ref>
 
The contour of an ADSR envelope is specified using four parameters: