Sysex duplicated messages sent from instrument rack

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DuggletonLive
Posts: 44
Joined: Fri Oct 25, 2013 6:57 am

Sysex duplicated messages sent from instrument rack

Post by DuggletonLive » Sat Nov 02, 2019 12:23 am

I'm using sxformat in a max device to send Sysex messages successfully. I'm finding that when this device is ahead of a rack with 16 external instrument chains, the sysex message gets sent out of every chain even if only 1 chain is selected!
What makes this a real problem is that each chain addresses 1 of 16 midi channels of the same port, so the sound module recieves the sysex message 16 times! This flood is causing problems for the sound module.
Is there a way to filter sysex from particular chains?
Thanks for any help/comments

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