2 PSinGrain - fixed frequency sine oscillator
4 freq - frequency in cycles per second. Must be a scalar.
6 amp - amplitude of grain
8 This unit generator uses a very fast algorithm for generating a sine
9 wave at a fixed frequency.
13 *ar { arg freq = 440.0, dur = 0.2, amp = 1.0;
14 ^this.multiNew('audio', freq, dur, amp)