ADSR Envelope

Recall the ADSR envelope (attack, decay, sustain, release) is an envelope that attempts to mimic the behaviour of sound produced by acoustic instruments.

**Figure 6:** An ADSR envelope.
$\scalebox{.6}{\includegraphics{eps/ADSR.eps}}$

Amplitude envelopes can occur on the overal sound or on individual sinusoidal components.

``Music 171: Additive Synthesis'' by Tamara Smyth, Department of Music, University of California, San Diego (UCSD).

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