Midi; What Is Midi; What You Can Do With Midi; Midi Connections - Casio CELVIANO AP-31V User Manual

MIDI

What is MIDI?

The letters MIDI stand for Musical Instrument Digital Inter-
face, which is the name of a worldwide standard for digital
signals and connectors that makes it possible to exchange
musical data between musical instruments and computers
(machines) produced by different manufacturers. MIDI com-
patible equipment can exchange keyboard key press, key re-
lease, tone change, and other data as messages.
Though you do not need any special knowledge about MIDI
to use your CELVIANO as a stand-alone unit, MIDI opera-
tions require a bit of specialized knowledge. This section pro-
vides you with an overview of MIDI that will help to get you
going.

What you can do with MIDI

Send
MIDI
OUT IN
Sender
OUT
GRAND PIANO 2 PIANO 1 PIANO 2 ELEC PIANO 1 ELEC PIANO 2 VIBRAPHONE HARPSICHORD OFF ROOM REVERB STAGE HALL 1 HALL 2 OFF CHORUS ON 0 2 METRONOME BEAT 3 4 5 6 METRONOME VOL 1 2 3 120 0 1 2 TEMPO 3 4 5 6 7 8 9
POEWR
ON / OFF
CONTROL DEMO
RECORD
START/STOP
METRONOME
GRAND PIANO
VOLUME
MIN MAX
• What you play on the CELVIANO can be sent to the con-
nected device as MIDI messages*1. The connected device
sounds notes in accordance with the messages it receives.
• MIDI messages*1 can be sent from the CELVIANO to a
commercially available MIDI sequencer*2 for recording.
Receive
MIDI
OUT IN
Receiver
IN
GRAND PIANO 2 PIANO 1 PIANO 2 ELEC PIANO 1 ELEC PIANO 2 VIBRAPHONE HARPSICHORD OFF ROOM REVERB STAGE HALL 1 HALL 2 OFF CHORUS ON 0 2 METRONOME BEAT 3 4 5 6 METRONOME VOL 1 2 3 120 0 1 2 TEMPO 3 4 5 6 7 8 9
POEWR
ON / OFF
DEMO
CONTROL
RECORD
START/STOP
METRONOME
GRAND PIANO
VOLUME
MIN MAX
• The CELVIANO can be used to sound notes sent as MIDI
messages from a connected device.
• Commercially available MIDI piano data can be sent from
a MIDI sequencer*2 or MIDI-capable personal computer
for playback on the CELVIANO. Up to 16 parts can be
played simultaneously by the CELVIANO.
427B-E-025A
AP31/33_E_21_25.p65
MIDI cable: MK-5
Receiver
IN
MIDI musical instrument
MIDI sound module
MIDI sequencer
Other MIDI device
MIDI cable: MK-5
OUT Sender
MIDI musical instrument
MIDI sequencer
Other MIDI device
Page 21
*1 Keyboard play and memory playback data can be sent as
MIDI data. Demo tunes cannot be sent as MIDI data.
*2 A device that contains memory storage for MIDI data.
Some MIDI sequencers feature external storage capabili-
ties, which let you record a virtually unlimited number of
tunes.

MIDI Connections

Two MIDI cables, one for sending and one for receiving, are
required for two-way recording and playback capabilities
with a connected MIDI sequencer or other device.

MIDI Channels

MIDI allows you to send the data for multiple parts at the
same time, with each part being sent over a separate MIDI
channel. There are 16 MIDI channels, numbered 1 through
16, and MIDI channel data is always included whenever you
exchange data (key press, pedal operation, etc.).
Both the sending machine and the receiving machine must
be set to the same channel for the receiving unit to correctly
receive and play data. If the receiving machine is set to Chan-
nel 2, for example, it receives only MIDI Channel 2 data, and
all other channels are ignored.
Your CELVIANO is equipped with multi-timbre capabilities,
which means it can receive messages over all 16 MIDI chan-
nels and play up to 16 parts at the same time.
Keyboard and pedal operations performed on your CELVI-
ANO are sent out by selecting a MIDI channel (1 to 16) and
then sending the appropriate message.
Simultaneous Receive Over Multiple
Channels (Multi-Timbre)
The Multi-Timbre mode makes it possible to assign the
CELVIANO's built-in tones to MIDI channels 1 through 16.
Then you can simultaneously sound multiple channels to play
from a commercially available multi-track sequencer.
NOTE
• See "Assigning Tones to Individual Channels" on page E-22 for
details on assigning tones to each channel.
• Up to 16 channels can be received simultaneously (Channel 1
through channel 16).
• The number of channels to be received simultaneously must
be predetermined. If it becomes necessary to cancel a chan-
nel, the cancel operation must be performed on the sending
side.
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