Alesis Fusion Tutorial page 25

ALESIS FUSION
Every sound has an envelope. A piano, for example, has a fast attack and a long decay:
A guitar or harp or bass guitar has a similar envelope. A plucked (pizzicato) violin has a similar
shape but is much shorter because there is not enough physical energy in the short, thin
strings for it to last long:
A drum or a marimba and other percussive instruments will have similar envelopes.
Some instruments, however, have slower envelopes (depending on how they are played). For
example, a legato string orchestra will have a slow attack but can sustain:
In very slow pieces, the attack can be quite languid:
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