MIDI Channel Duplicator



Description:

The MIDI Channel Duplicator can be used to select any single MIDI channel (1 to 16) via a 4-way DIP switch and increase the MIDI output by copying/transmitting that channels commands to all the other MIDI channels (except channel 10 which is normally the drum channel) to the MIDI output. This allows multiple sound sources to be played on a multitimbral synthesiser simultaneously.

Operation: This unit provides the ability to copy the MIDI Notes On and Off commands, Control Change, Program Change, Pitch Bend, Polyphonic Key Pressure and Channel pressure commands.

So, for example, if the input channel was selected to Channel 7 via the 4-way DIP switch then whatever data arrives in on Channel 7 will be copied/transmitted on the output to all MIDI channels 1 to 16. (Except MIDI Channel 10 which is the default MIDI drum channel). Also the other input channels ( 1 to 6 and 8 to 16) will be blocked and not pass through to the MIDI output.

Power Supply:

External power can come either from an AC-to-DC adapter or battery. The adapter can be connected by plugging a 2.1mm center-positive plug  into the board's power jack.

The board can operate on an external supply of 7 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.

MIDI Channel Selection:

The MIDI Channel Duplicator commands are all channel (1-16) dependent. The system will also work with MIDI running status.

DIP Switch Selections

MIDI 

Channel

4 3 2 1
on on on on 1
on on on off 2
on  on  off on 3
on on off off 4
on off on on 5
on off on off 6
on off off on 7
on off off off 8
off on on on 9
off on on off 10
off on  off on 11
off on off off 12
off off on on 13
off off on off 14
off off off on 15
off off off off 16

Table 1 MIDI Channel


Features:

The MIDI Channel Duplicator Unit consists of:
  • An assembled, built and tested Arduino board including a suitable pre-programmed microcontroller,
  • The MIDI channel (1-16) is user selectable via the 4-way DIP switch
  • A 2.1mm power socket, and associated LED,
  • A MIDI activity LED,
  • An assembled, built and tested MIDI In/Out Board,
  • A 150mm wired MIDI 5-pin DIN input socket,
  • A 150mm wired MIDI 5-pin DIN output socket,
The MIDI Channel Duplicator Unit requires:
  • a 9v battery or equivalent DC power source

Resources:

The MIDI Channel Duplicator Unit Resources:
MIDI Channel Duplicator

ITEM#: MIDI Channel Duplicator

PRICE:  €54.95

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