How to Send MIDIs to a Casio Keyboard CTK-720

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How to Send MIDIs to a Casio Keyboard CTK-720
Keyboards such as the CTK-720 communicate using MIDI interfaces. (keyboard image by salimar6 from

MIDI is a computer protocol that allows machines equipped with MIDI interfaces to communicate with each other via music files. Rather than raw audio, which sends the actual audio recordings to a device, MIDI is a computerised approximation of instruments and sends instructions to produce a note of a specific pitch, volume and duration. Keyboards, such as the Casio CTK-720, are MIDI instruments. A connection with a computer allows the keyboard to receive downloaded MIDI files.

Skill level:

Things you need

  • USB cable

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  1. 1

    Install the USB-MIDI driver on the computer. The driver is located on the disc that came with the keyboard. If you no longer have the disc, you can download the driver from the Casio website (see Resources).

  2. 2

    Connect a USB cable from the USB port on the keyboard (on the back of the device) to the USB port on the computer. The larger end connects to the computer, while the smaller end goes to the keyboard.

  3. 3

    Launch a general MIDI program on the computer. There are some freeware options available if you do not have any (see Resources).

  4. 4

    Go into the MIDI program settings and choose the Casio CTK-720 as the MIDI output device.

  5. 5

    Play MIDI files through the program. They will be routed through the keyboard.

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