Yamaha DTXpress/DTXplorer/DTXtreme

MIDI framing errors occur when the DTXpress loses "sync" with your sequencer. This could be a number of things :

You have a bad connection on your MIDI Out jack. I got this error once when I pulled out the jack without turning off the unit. The brain lost the MIDI signal and lost the "frame". 

I'm not sure but I think the DTXpress uses Active Sensing. It might have nothing to do with it but check your sequencer is filtering out that message anyway.

The message that controls playback is MIDI Clock. The sequencer starts playback on the brain by sending a MIDI Start message. The MIDI Start message alerts the brain that, upon receipt of the very next MIDI Clock message, it should start playback. Check that your sequencer MIDI clock source is set to "internal" or "MIDI Clock" and not MTC Time Code or SMPTE.

If you have many MIDI Thru devices connected, you may get timing errors. There is a limit to the number of MIDI Thru devices that can be daisy-chained. Disconnect any of these and just use one MIDI cable between the PC and brain.

If none of this works, let us know what sequencer you're using and note down as many settings as you can. We're here to help.


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