Matthias Nagorni wrote: > Hello, > > recently I discovered cool Barber Pole modules on Don Buchla's page > (www.buchla.com). I remembered that the manual of my Doepfer system > mentioned something about these effects, so I looked it up (you can > also find it online at www.doepfer.de/a191.htm) and started to implement > a special LFO for generation of Shepard tones and other spiral sound effects. > Here is the result: ams-1.8.6 with several barberpole patches in the demos > folder. Pitch- and ModWheel are bound in most examples. Try to set Gain Saw > to 1.334 in the Barber Pole module of example_barberpole.ams. It might > also be interesting to further decrease the LFO frequency. > > Note: You may have to adjust the mixer/PCM Out volumes when playing > the examples polyphonically. > > Don't forget that AlsaModularSynth requires the MCP/VCO/REV plugins by > Fons Adriaensen. Efficiency and power of Fons' phaser is seen in > example_barberpole_phaser* where 8 of them are used in a single patch. > > Have a lot of fun ! > > Matthias > Don Buchla is a guy with a lot of history. It was fun to go back and look at his old machines on this web site.
