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OK. Based on your advice, I'm throwing in the towel on this feature. You're right, a transfer time of between 60 and 90 times real-time is useless. Given that you feel this feature is a "throwaway", why don't you simply remove it from the feature set and reassign the code memory and front-panel buttons to some new, more useful feature :) Elby > ------------------------------------------------------------------------ > > Subject: Re: Need a hand with EDP sample dump > Date: Fri, 26 Jan 2001 00:22:28 -0800 > From: Kim Flint <kflint@loopers-delight.com> > To: Loopers-Delight@loopers-delight.com > > At 12:34 PM -0800 1/21/01, Mountain Man wrote: > >I'm trying to get the EDP to dump sysex data to cakewalk, and also > >trying to understand the dump process. I could use a helping hand :) > >I have a very cakewalk-specific "how to" question, and then a couple of > >more general EDP questions. > > > >I'm getting the sysex data on my PC, in fact I can monitor it using > >Midi-OX. It's coming in 127 byte "chunks" . I have sysex turned on in > >Cakewalk, with them max number of buffers set (128). Also have midi > >echo turned off (stumbled over that one for a while! lol) Cakewalk is > >definitely seeing the EDP, I can record continuous controller messages > >45 and 46 (some sort of loop timing info?). When I try to record sysex, > >(either by using <you start dump on instrument> from the sysex view, or > >simply by hitting "record" in the track view), however, I don't see any > >data arriving. I have no trouble recording sysex from other devices > >using the same procedure. Is there something different about the EDP > >messages or communication that might be causing me a problem? > > Hard to say what is wrong. We just implemented the midi sample dump spec. > The problem is that most manufacturers implemented it slightly >differently, > or have bugs. So it is not much of a standard. Since nobody seriously >ever > uses midi sample dump, nobody puts much effort into fixing these things. > (including us, to be honest.) We got it to work with a variety of >devices > and programs that we had available at the time, by doing necessay changes > and workarounds in the software for their implementations. We apparently > didn't have a copy of cakewalk then..... > > > > >I've been finding the display on the EDP when dumping data confusing. > >the manual says that the numbers will show the percentage of dump > >completed. What I'm seeing is a rapid cycling of numbers from 0 to 127, > >with a "d" in two different positions toggling back and forth (but not > >syncronized with the numbers). I have no idea what this is telling me. > > > >Also, the manual says to expect that transmission time will be 10 to 15 > >times the length of the current loop. This makes sense to me. I > >recorded a 2 second loop and timed the dump. It took 3 minutes. That's > >90 times the length. At this speed, a 20 second loop will take > >half-an-hour to transfer. Is my EDP working properly? > > the slow transfer rate you are seeing is actually normal for midi sample > dump. this has nothing to do with the echoplex, sample dump is very very > slow. I've generally seen it to be around 85-90 times longer without any > handshaking (open loop), maybe 60-70 times with it (closed loop). I've > explained all of this before: > > http://www.loopers-delight.com/LDarchive/199702/msg00128.html > http://www.loopers-delight.com/LDarchive/199702/msg00129.html > > or here, search for it all: > >http://www.loopers-delight.com/cgi-bin/wilma_glimpse/LDarchive?query=echoplex%3B > >dump&errors=0&maxfiles=50&maxlines=10&.cgifields=lineonly&.cgifields=filelist&.c > gifields=case&.cgifields=partial&.cgifields=restricttofiles > > Frankly, you a better off not bothering with sample dump, because it is a > piece of junk. Record the audio directly to your pc. Then use a sequencer > to load it back into the echoplex by having the sequencer tap record, >play > the audio, and end record. The audio fidelity won't be perfect, but the > transfer rate will be 1x the sample length. And the first time it is >played > from the sequencer you could be listening to it, so you could say it is > even faster! > > kim > > ______________________________________________________________________ > Kim Flint | Looper's Delight > kflint@loopers-delight.com | http://www.loopers-delight.com >