Dimensions
1 U

Micro Module

Current Draw
15 mA 5V
Price
$47 Price in €

This Module is currently available.

micro MIDI demultiplexer

µmdx performs channel-demultiplexing from a single IMDI input to 8 channel outputs – like a slimmed-down mb/1 without the TRS input (for that you'll need the mi/mo).

Originally the modules was desiged to be used in conjunction with the mi/mo to perform MIDI channel extraction in the micro-module format, however it can also be used with modules which generate data on multiple channels (such as CVMx) to further break out channel-related data streams.

Output Assignment mode
Output pin Mode A channel outputs Mode B channel outputs Mode C channel outputs
1 1 9 1 & 2
2 2 10 3 & 4
3 3 11 5 & 6
4 4 12 7 & 8
5 5 13 9 & 10
6 6 14 11 & 12
7 7 15 13 & 14
8 8 16 15 & 16

Controls

  • button — cycles between output assignment modes (see table above)

Connectivity

All inputs & outputs are IMDI streams.

Inputs
  • i - the IMDI input - connect this to the channel output of an IMDI generator as listed above.
Outputs
  • left side:
    • t : IMDI Thru - a buffered copy of the input data, to be connected to the IMDI input of a subsequent module.
    • r/s 'Run/Stop' signal:
    • Outputs 5v when a clock-start message has been received;
    • Outputs 0v when a clock-stop message is received.
    • clk a clock signal derived from the 24ppqn MIDI clock signal. It is possible to divide this down to other rates (e.g. 1/16th pulses) by using the online editor which can be found here
    • cst outputs a 5ms pulse when a MIDI clock start message is received, this is typically used to reset sequencer modules so that they always start in the same location. No pulse is generated when a MIDI-continue is received;
  • right side:
    • 1-8 IMDI channel outputs, allocated as above.

https://wonkystuff.co.uk/umdx.html


submitted Feb 26th, 15:09 by wonkystuff
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