hsc3-0.11: Help/UGen/Trigger/phasor.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "Phasor"
> Sound.SC3.UGen.DB.ugenSummary "Phasor"
> import Sound.SC3
phasor controls sine frequency, end frequency matches second sine.
> let {rate = mouseX' KR 0.2 2 Exponential 0.1
> ;tr = impulse AR rate 0
> ;sr = sampleRate
> ;x = phasor AR tr (rate / sr) 0 1 0
> ;f = mce [linLin x 0 1 600 1000, 1000]}
> in audition (out 0 (sinOsc AR f 0 * 0.2))