Yamaha EZ-30 Owner's Manual - Page 76

Channel Messages, System Messages, GM System Level 1 - software

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MIDI Functions MIDI is an acronym that stands for Musical Instrument Digital Interface, which allows electronic musical instruments to communicate with each other, by sending and receiving compatible Note, Control Change, Program Change and various other types of MIDI data, or messages. The EZ-30 can control a MIDI device by transmitting note related data and various types of controller data. The EZ-30 can be controlled by the incoming MIDI messages which automatically determine tone generator mode, select MIDI channels, voices and effects, change parameter values and of course play the voices specified for the various parts. MIDI messages can be divided into two groups: Channel messages and System messages. Below is an explanation of the various types of MIDI messages which the EZ-30 can receive/transmit. Channel Messages The EZ-30 is an electronic instrument that can handle 16 channels. This is usually expressed as "it can play 16 instruments at the same time." Channel messages transmit information such as Note ON/OFF, Program Change, for each of the 16 channels. Message Name Note ON/OFF Program Change Control Change EZ-30 Operation/Panel Setting Messages which are generated when the keyboard is played. Each message includes a specific note number which corresponds to the key which is pressed, plus a velocity value based on how hard the key is stuck. Voice number (along with corresponding bank select MSB/LSB settings, if necessary). Messages that are used to change some aspect of the sound (modulation, volume, pan, etc.). System Messages This is data that is used in common by the entire MIDI system. System messages include messages like Exclusive Messages that transmit data unique to each instrument manufacturer and Realtime Messages that control the MIDI device. Message Name Exclusive Message Realtime Messages EZ-30 Operation/Panel Setting Reverb/chorus/DSP settings, etc. Clock setting Start/stop operation The messages transmitted/received by the EZ-30 are shown in the MIDI Implementation Chart on page 98. GM System Level 1 "GM System Level 1" is an addition to the MIDI standard which ensures that any GM-compatible music data can be accurately played by any GM-compatible tone generator, regardless of manufacturer. The GM mark is affixed to all software and hardware products that support GM System Level 1. The EZ-30 supports GM System Level 1. 76

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MIDI Functions
76
MIDI is an acronym that stands for Musical Instrument Digital Interface, which allows
electronic musical instruments to communicate with each other, by sending and receiv-
ing compatible Note, Control Change, Program Change and various other types of MIDI
data, or messages.
The EZ-30 can control a MIDI device by transmitting note related data and various
types of controller data. The EZ-30 can be controlled by the incoming MIDI messages
which automatically determine tone generator mode, select MIDI channels, voices and
effects, change parameter values and of course play the voices specified for the various
parts.
MIDI messages can be divided into two groups: Channel messages and System mes-
sages. Below is an explanation of the various types of MIDI messages which the EZ-30
can receive/transmit.
Channel Messages
The EZ-30 is an electronic instrument that can handle 16 channels. This is usually
expressed as
“
it can play 16 instruments at the same time.
”
Channel messages transmit
information such as Note ON/OFF, Program Change, for each of the 16 channels.
System Messages
This is data that is used in common by the entire MIDI system. System messages
include messages like Exclusive Messages that transmit data unique to each instrument
manufacturer and Realtime Messages that control the MIDI device.
The messages transmitted/received by the EZ-30 are shown in the MIDI Implementa-
tion Chart on page 98.
Message Name
EZ-30 Operation/Panel Setting
Note ON/OFF
Messages which are generated when the keyboard is played. Each message
includes a specific note number which corresponds to the key which is
pressed, plus a velocity value based on how hard the key is stuck.
Program Change
Voice number (along with corresponding bank select MSB/LSB settings, if
necessary).
Control Change
Messages that are used to change some aspect of the sound (modulation,
volume, pan, etc.).
Message Name
EZ-30 Operation/Panel Setting
Exclusive Message
Reverb/chorus/DSP settings, etc.
Realtime Messages
Clock setting
Start/stop operation
GM System Level 1
“
GM System Level 1
”
is an addition to the MIDI standard which
ensures that any GM-compatible music data can be accurately played
by any GM-compatible tone generator, regardless of manufacturer.
The GM mark is affixed to all software and hardware products that
support GM System Level 1. The EZ-30 supports GM System Level 1.