Old Blood Noise Endeavors MTET Midi to Expression Translator

The MTET from Old Blood Noise Endeavors is a MIDI to Expression Translator, a utility pedal that sits between a MIDI device and the expression inputs of other pedals. It receives CC messages and translates those messages into Expression outputs, with four individual expression outputs so a single MIDI source can drive expression functions on up to four pedals¹.

For players running a MIDI controller, a MIDI-capable switcher or a multi-effects rig, the MTET turns MIDI program and CC data into the kind of continuous control normally handled by an expression pedal, without needing a foot to do the moving¹.

What it does

The MTET works as a translator between two control languages. On one side is MIDI: the pedal has a MIDI In jack to communicate with the MTET, and it receives CC messages, the continuous controller messages that MIDI gear sends to change a value over time. On the other side is expression: the pedal translates those messages into Expression outputs, the same control signal an expression pedal sends to a pedal's expression jack¹.

Because there are four individual expression outputs, one MTET can move expression-controlled parameters on four pedals at once. That means a single MIDI scene change can sweep a delay's time control, a reverb's mix, a filter's cutoff and a modulation depth together, all from the MIDI side of the rig¹.

Related expression utilities

Old Blood Noise Endeavors also makes other expression-side utility pedals, including the Expression Ramper, the Expression Ramper X3 and the Expression Slider. Where those are foot-operated or preset-based expression tools, the MTET is the MIDI entry point into that family, converting MIDI CC data into expression control¹.

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