He probado con el loopmidi pero no me aclaro mucho. He hecho esto, a ver si te es lo que me decías.
Del MIDI thru del microKorg a la entrada MIDI de la interfaz DE BEHRINGER. La interfaz USB de Wersi conectada al microkorg. (IN y OUT)
Adjunto video de lo que sale en el monitor del mido-ox
Y el mensaje al modificar el cutoff. Comienza en F0 y acaba en F7, pero no sé yo...
SYSX: F0 42 30 58 40 00 20 20 20 20 20 20 20 00 20 20 20 20
SYSX: 20 01 05 20 07 12 60 00 3C 07 4E 00 4B 00 2C 67 00 14
SYSX: 40 18 0F 40 00 0A 40 10 50 0C 01 00 7F 7F 70 0A 3B 00
SYSX: 42 40 40 00 00 00 00 00 00 00 42 2C 00 7F 6C 00 00 02
SYSX: 12 3F 4A 40 40 00 66 40 01 40 34 00 00 00 7F 7F 00 26
SYSX: 06 2D 02 02 4C 06 02 0D 0C 43 5D 00 47 1D 42 46 62 54
SYSX: 00 00 00 00 00 40 40 40 40 00 40 40 40 40 40 40 40 00
SYSX: 40 40 40 40 40 00 00 00 40 40 40 40 40 40 40 00 40 40
SYSX: 40 40 40 40 40 00 40 40 00 00 40 40 40 00 40 40 40 40
SYSX: 40 40 40 40 40 40 40 40 40 40 7F 01 38 0A 3B 42 40 40
SYSX: 00 00 00 00 00 00 10 40 47 00 00 58 79 00 00 3B 0A 00
SYSX: 73 40 70 7F 40 00 40 00 34 00 36 2B 00 00 40 00 7F 00
SYSX: 02 0A 03 02 46 00 0C 47 7F 03 40 42 40 00 43 40 00 00
SYSX: 00 00 40 00 40 40 40 40 40 40 40 00 40 40 40 40 40 40
SYSX: 40 00 40 00 00 40 40 40 40 00 40 40 40 40 40 40 40 00
SYSX: 40 40 40 40 40 00 00 00 40 40 40 40 40 40 40 00 40 40
SYSX: 40 40 40 40 40 00 40 40 F7