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a k butler wrote: > Stephan says > >>> I think if you just deliver a dc (a switch with a battery), even to >>> an audio interface which does not pass dc itself, you should easily >>> detect this loud click and use it as a trigger. > > > Great idea. > To start with there's the problem that you use up a whole audio channel > for just > one switch :-( Yeah, but its dead simple and if you got one of those 8-channel interfaces you might have an input free... > Well, how about using a SPDIF input. > The hardware pedal could generate a different digital value for > each button. I thought about this, but its way more complicated. But there is a box from Timothy A. Place at Electrotap which does that. Its a whole sensor interface which translates its sensor data into a spdif stream. You can attach pedals, switches and all kinds of sensors to expand your instrument. Its called the Teabox: http://www.electrotap.com/teabox/ It will come with ready to go max externals to integrate it into your looping software. Stefan -- [][] [][][] [][] [][][] [][] [][][] [][] [][][] [][][][][][][][][][][][][][][][][][][][][][][][][][][][] Stefan Tiedje Klanggestalter Electronic Composition & Improvisation /~~~~~\ \\\ /|() ()|\ ))))) )| | |( \\\ /// \ \_/)/ ))))) \___/ /// -------------------------x--- --_____-----------|---------- --(_|_ ----|\-----|-----()--- -- _|_)----|-----()---------- ----------()------------x---- 14, Av. Pr. Franklin Roosevelt, 94320 Thiais, France Phone at CCMIX +33-1-49 77 51 72