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Looper's Delight
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cpr@musetrap.com schrieb: > So, I think, instead of the a new ultimate looper, we need an > ultimate midi pedal.. which is not a new topic either.. :) a device > where the knobs, sliders, and/or pedals have the ability to send not > only standard midi, but the ability to pair up CC's for the improved > resolution.. of course, since we are moving out of the 'spec', we > could go as far as combining more than 2 CC's for an even greater > resolution... This isn't moving out of the specs, 14-bit controllers are well defined. But resolution isn't a problem with foot pedals, I doubt you could control more than the 128 steps with your foot. Its about the curve on how you control parameters. If you want finer resolution on the low end, you need to be able to shape it somehow... If you linearly map 96 dB to 128 steps, you'd have less than one dB of resolution per step. But half way through you have already -48 dB compared to full blast, which is in a noise environment already silence. Now if you'd just map 48 dB to 128 steps, you have a problem in the low end, you need a nonlinear mapping to feel comfortable. Even if you push the resolution to 16384 steps (14-bit) it won't help with the curve.... > timing becomes more important as we chain the commands together, as a > full CC message on midi hardware takes 1ms to make it's trip... but, > if the sending device correctly supports 'running status' the two CC > version will only take 1.6ms, instead of 2ms.. and if we jumped up up > to a 4 message CC (for a 32766 resolution) it would be 2.8ms A 4 message CC would spans 28-bits wich is 268435455 resolution (3 messages would span 2097151 steps) I have no idea what this should be good for. Usually the highest resolution on faders you get on commercial fader boxes is 10-bit, for two reasons. You can't really control it more precise (its 1024 steps) and you'd likely have noise on the line, which would let the MSB fluctuate and you'd stream Midi always and not only if you change something meaningful... The timing by the way is much less critical on continuous controllers, you don't hit them like drums... > While we are talking about controllers, I think coming up with a > pedal that can have it's current position set (like knobs with halos, > or motorized faders) would be cool as well.. Nate Pease and I talked > about a 'roller' with the current position represented by LED's (like > the knob with halo)... I like that idea a lot, and I recall that I have seen something like that somewhere... Stefan -- Stefan Tiedje------------x------- --_____-----------|-------------- --(_|_ ----|\-----|-----()------- -- _|_)----|-----()-------------- ----------()--------www.ccmix.com