About MIDI
The term MIDI is an acronym for Musical Instrument Digital Interface, an international standard for connecting musical instruments, computers, and other devices to allow the exchange of performance data.
MIDI terminals
MIDI terminal
MIDI IN
MIDI OUT
MIDI THRU
Function
Receiving note, program change, and other data.
Sending note, program change, and other data.
Passing along MIDI data to another MIDI device without processing.
MIDI channels
MIDI uses channels to exchange data back and forth between MIDI devices. There are receive (MIDI IN) and transmit (MIDI OUT) channels. Most musical instruments or devices with MIDI functions are equipped with both MIDI IN and OUT jacks and are capable of transmitting and receiving data via MIDI. The receive channels are used to receive data from another MIDI device and the transmit channels are used to transmit data to another MIDI device.
The illustration below shows three musical instruments, connected together using MIDI.
Settings
Transmitting instrument a | Receiving instrument b | Receiving instrument c |
Transmitting instrument asends transmit channel and keyboard information to receiving instruments b/c. The information arrives at the receiving instruments b/c.
Receiving instruments b/c will respond to MIDI data that is sent if their receive channel is the same as the transmit channel of the transmitting instrument a.
If the channels do not match, then the receiving instruments b/cwill not respond to any data that is sent.
For both receiving and transmitting, channels
Recording/playing with a sequencer
When connected to a sequencer, the CA93/CA63 digital piano can be used to record and playback
Sequencer
68