Trigger the Attack, and Decay portion of the Envelope. Similar to holding down a key on a piano, but it will hold the sustain level until you let go.
Examples
Syntax
triggerAttack(note, [velocity], [secondsFromNow])
Parameters
note
String | Number:
the note you want to play, specified as a frequency in Hertz (Number) or as a midi value in Note/Octave format ("C4", "Eb3"...etc") See Tone. Defaults to 440 hz
velocity
Number:
velocity of the note to play (ranging from 0 to 1)
secondsFromNow
Number:
time from now (in seconds) at which to play
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