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Looper's Delight
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Miguel wrote: > > I am facing the following problem with JamMan, that maybe somebody > already solved and can give me some help. > > An SMPTE track (from an ADAT) drives a PC with Cakewalk that sends > MIDI clock to JamMan. Fine, JamMan syncs properly! > > The problem is that in the beginning of every bar and/or loop JamMan > introduces an audible perturbation on the sound. The silly solution I > found is not to play in this spot but this keeps me away from > continuos sounds and many other things. > > This does not happen when Jam Man is used alone or driving the > computer or any other box. > > Any clues on how to solve this? > The way I understand this is that the MIDI beat clock has a certain "randomness" associated to it, that is each beat may be up to 1/96 or 1/128 of a second off of an absolute clock. So, if your beats are 1 second apart, the actual time between beats may end up being 0.99 to 1.01 seconds. If you have a 1 second loop, the loop will get CUT OFF slightly, when the time between beats is 0.99 seconds. Thus, when the time between beats is 1.01 seconds, there will be a .02 second gap, or glitch. It seems to me, there is no way to resolve this. Any ideas? - Chris --------------------------------------------------- AVIRIS Experiment Coordinator mailto:avec@gomez.jpl.nasa.gov ftp://ophelia.jpl.nasa.gov/pub/docs/html/AvDep.html Lab: (415) 604-2170 Pager: (888) 415-4547 ---------------------------------------------------