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 Forum index » Instruments and Equipment » MAX/MSP - Pd
how can i seperate Variable midi button signals in max?
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reeldark



Joined: May 20, 2005
Posts: 3
Location: uk

PostPosted: Fri May 20, 2005 12:57 pm    Post subject: how can i seperate Variable midi button signals in max? Reply with quote  Mark this post and the followings unread

Hey all, probably a simple answer to what im about to ask.

What im trying to do is connect a midi keyboards variable buttons to max so to control a slider bar that of course effects a parameter, being volume, pitch, note etc. Ive found that using "midi in" allows this but the problem im having is that i wish to seperate each button to seperate sliders. ive been trying to use "select" and "route" to do this but even though "select" does only respond to the channel i set it to it will only send a signal when the controller releases the value of the set number and hence, is no longer variable.

Does anybody know of another way to do this am i completely on the wrong path? please help.
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diskonext



Joined: Aug 26, 2004
Posts: 306
Location: London, UK

PostPosted: Sat May 21, 2005 8:07 am    Post subject: Reply with quote  Mark this post and the followings unread

I don't understand the question, exactly.

Do you want to build a MIDI auto-learn functionality? Or do you have a problem selecting specific CC numbers out of the MIDI stream?

-diskonext

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reeldark



Joined: May 20, 2005
Posts: 3
Location: uk

PostPosted: Sat May 21, 2005 2:11 pm    Post subject: I have a problem selecting specific CC numbers out of the MI Reply with quote  Mark this post and the followings unread

Thnx for your prompt reply,

I have a problem selecting specific CC numbers out of the MIDI stream,
i basically want each dial button on the keyboard to affect a different slider.

I have 4 dials on the keyboard that send a signal on channels 10,11,12,13, each with a value from 0-127, from "midiin" ive told "select" to seperate and send signals from only these channels, however, its output is now a bang for each number from 0-127 and not the initial integer.

i want the initial integer to adjust a slider but obviously the slider doesnt understand bang to accumulate or subtract the value when the dial is turned.

I look forward to your reply, thanks again.
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diskonext



Joined: Aug 26, 2004
Posts: 306
Location: London, UK

PostPosted: Sun May 22, 2005 4:32 am    Post subject: Reply with quote  Mark this post and the followings unread

Heya,

here's a picture of how I normally do these things in Max.

Posted Image, might have been reduced in size. Click Image to view fullscreen.

Because "route" routes on the basis of the first number, the output from the first two "ctlin" outputs (value and CC#) need to be "swap"ed, then "pack"ed so they can be "route"d according to CC number. The 10/11/12/13 in the route object are just imaginary CC numbers, fill in the proper ones for your setup.

BTW, I haven't tested whether this will actually work, I do think so, though Wink

-diskonext

PS. I might be completely mistaken here, I do assume you meant CC where you wrote channel?

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reeldark



Joined: May 20, 2005
Posts: 3
Location: uk

PostPosted: Sun May 22, 2005 5:41 am    Post subject: Thnanks Reply with quote  Mark this post and the followings unread

Your a star thanks a lot, ill give it a try when i get into uni on monday & let u know how i get on, thanks again,

Keep it reel, www.reeldark.co.uk Very Happy
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