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post #1 of 2 (permalink) Old 09-28-2005, 09:39 PM Thread Starter
Join Date: Aug 2003
Location: PA
Posts: 873
Midi Help

ok i need some help.. i'm looking for a ground control (mostly considering behringer fcb1010) to run everyhting and i'm hearing all this stuff about a certain number of program change commands and control change commands. and people are upset that there aren't enough control changes etc. just what exactly is the difference between the two? does a single program change change a patch in only one unit? will i need two program changes in one preset on my footpedal to change my GCX switcher and my g major? I need a quick midi explanation here before i buy up a bunch of stuff and don't have a clue how to put it together. i've searched the net and haven't found anything that i really understand. can someone please help??? anything you can tell me that may be useful to a first time midi person. thanks a lot
adamcbest is offline  
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post #2 of 2 (permalink) Old 09-28-2005, 10:22 PM
Join Date: Dec 2000
Location: Cincinnati, OH USA
Posts: 1,357
Re: Midi Help

wow... I'm gonna need a drink before I sit down and answer this...

For starters, I think you've got the difference between program change and control change... program change is generally used to switch patches, and control change is generally used to adjust parameters within those patches. Sometime control change is an on/off toggle, other times it occurs over a continuous range (e.g., when you're using an expression pedal).

Add to that the concept of MIDI channels... each MIDI device can be programmed to respond only to messages sent on a specific MIDI channel, and generally MIDI foot controllers allow to to specify which channel(s) they send on.

Let's assume you assign your GCX to channel 1 and your G-Major to channel 2. You can now proceed to set up a bunch of programs on the ground control as follows:
1: channel 1 = program change #2, channel 2 = program change #4
2: channel 1 = program change #24, channel 2 = program change #56

So you can see, you can send separate program changes to each device. I believe the ground control allows you to program 8 different devices, sending different program change commands down each channel.

Hope this helps a bit.

bduersch is offline  

behringer fcb , expression pedal , midi foot , midi foot controller

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