A nice thing are the endless phase shifts, if you feed back a frequency shifter. It’s like a Shepard tone. If you have Logic Pro or MainStage, try the RingShifter, it can do such tricks. It has 2x6 Allpass filters for the constant phase shift and a quadrature oscillator with FM and a delay.
Steffan > On 07.02.2017|KW6, at 18:25, Eric Brombaugh <ebrombau...@cox.net> wrote: > > That's the right idea. In fact if you multiply by e^iw you can get arbitrary > phase shifts to move the stereo image around subtly. For this reason, most of > the frequency shifters I've worked on have a nonlinear response in the > mapping of control voltage that gives fine resolution near DC shift frequency > so that you can dial in small offsets for subtle phasing effects. > > Eric
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