explanation of FFT impact in (buf)audiotransport with fun sounds

release-packaging/HelpSource/Classes/FluidAudioTransport.schelp

@@ -47,6 +47,15 @@ code::
 //didactic - the mouse X axis interpolates between the two sinewaves
 {FluidAudioTransport.ar(SinOsc.ar(220,mul: 0.1),SinOsc.ar(440,mul: 0.02),MouseX.kr())}.play;
 
+//notice how the interpolation quantizes to the FFT bins. Like most spectral processes, it benefits from oversampling the fft... at the cost of  CPU power, obviously.
+{FluidAudioTransport.ar(SinOsc.ar(220,mul: 0.1),SinOsc.ar(440,mul: 0.02),MouseX.kr(),fftSize: 8192)}.play;
+
+// when the signal is steady, larger hopSize can be accommodated to save back on the CPU
+{FluidAudioTransport.ar(SinOsc.ar(220,mul: 0.1),SinOsc.ar(440,mul: 0.02),MouseX.kr(),windowSize: 8192)}.play; // here we get a default hop of half the window so 8 times less than above.
+
+//if you CPU can cope, try this setting, almost smooth, but attacks would smear (the Y axis mixes some in to hear the effect)
+{var attacks = Impulse.ar(1,mul: MouseY.kr(-40,10).dbamp); FluidAudioTransport.ar(SinOsc.ar(220,mul: 0.1,add: attacks),SinOsc.ar(440,mul: 0.02,add: attacks),MouseX.kr(),windowSize: 16000)}.play;
+
 //richer with complex spectra
 //load 2 files
 (

release-packaging/HelpSource/Classes/FluidBufAudioTransport.schelp

@@ -94,6 +94,8 @@ b.play
 c.play
 d.play
 
+// note that the process is quantized by the spectral bins. For an example of the pros and cons of these settings on this given process, please see the real-time FluidAudioTransport helpfile.
+
 // more interesting sources: two cardboard bowing gestures
 (
 b = Buffer.read(s,File.realpath(FluidBufAudioTransport.class.filenameSymbol).dirname.withTrailingSlash ++ "../AudioFiles/Green-Box641.wav");