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Looper's Delight
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Thanks for getting the math right Stefan.. :) I was thinking while I was typing, and oviously doing more typing than thinking when I simply doubled the range... lol.. :) peace -cpr Quoting Stefan Tiedje <Stefan-Tiedje@addcom.de>: > 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 > > ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.