CC123 bypasses Max for Live MIDI plugin

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juppiemusic
Posts: 1
Joined: Mon May 04, 2020 10:45 pm

CC123 bypasses Max for Live MIDI plugin

Post by juppiemusic » Mon May 04, 2020 10:52 pm

Hi all,
I have been searching for ways to filter MIDI messages.

My synth sends way to many CC123 "all notes off" messages, and I started building a filter in Max for Live, when I noticed the message passes through the Max for Live plugin even when no connection is made:

Image

This is the MIDI plugin template from Max for Live itself with the connection between input and output removed. Am I doing something wrong here? Is this expected behaviour? This is Live 10.1.9 with Max for Live 8.1.1.

Thanks for any help!
PS: This issue seems common with some old synths as input - e.g. viewtopic.php?f=2&t=174537
PPS: I currently work with a workaround using a VST MIDI plugin, but this is far from elegant, and crashes Live when I close it...
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[jur]
Site Admin
Posts: 5400
Joined: Mon Jun 01, 2015 3:04 pm
Location: Ableton

Re: CC123 bypasses Max for Live MIDI plugin

Post by [jur] » Tue May 05, 2020 4:41 am

There's many midi filter available on maxforlive.com
Ableton Forum Moderator
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broc
Posts: 1151
Joined: Mon Jul 26, 2004 8:37 am

Re: CC123 bypasses Max for Live MIDI plugin

Post by broc » Tue May 05, 2020 1:41 pm

This behaviour is probably intended to ensure that CC123 is received by all devices on the track. Notice that CC 120-127 are 'Channel Mode Messages' which rather than controlling sound parameters affect the channel's operating mode.
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