Yamaha PortaTone PSR-84 Manuel du propriétaire - Page 40
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MIDI, the Musical Instrument Digital Interface, is a world-
standard communication interface that allows MIDI-compat-
ible musical instruments and equipment to share musical infor-
mation and control one another. This makes it possible to cre-
ale "systems" of MIDI instruments and equipment that offer
far greater versatility and control than is available with iso-
lated instruments.
The PSR-84/PSR-85 MIDI
Connectors
The PSR-84/PSR-85
MIDI IN connector receives MIDI
data from an external MIDI device which can be used to con-
trol the PSR-84/PSR-85. The MIDI OUT connector trans-
mits MIDI data generated by the PSR-84/PSR-85 (e.g. note
and velocity data produced by playing the keyboard).
Simple MIDI Control
Most MIDI keyboards (including the PSR -84 and PSR-
85, of course) transmit note and velocity (touch response)
information via the MIDI OUT connector whenever a note is
played on the keyboard. If the MIDI OUT connector is con-
nected to the MIDI IN connector of a second keyboard (syn-
thesizer, etc.) or a tone generator (essentially a synthesizer
vith no keyboard), the second keyboard or tone generator will
respond precisely to notes played on the original transmitting
keyboard. The result is that you can effectively play two in-
ents at once, providing thick multi-instrument sounds.
e PSR-84/PSR-85 also transmits "program change" data
when one of its voices is selected. Depending on how the re-
ceiving device is set up, the corresponding voice will be auto-
matically selected on the receiving keyboard or tone generator
whenever a voice is selected on the PSR-84/PSR-85.
MIDI keyboard
PSR-84/PSR-85
or
MIDI
MIDI
tone generator
OUT
IN
APPENDIX A: MIDI BASICS
The PSR-84/PSR-85 is capable of receiving the same
MIDI data, so a second MIDI keyboard connected to the PSR-
84 / PSR- 85 MIDI IN connector can be used to remotely play
the PSR-84/PSR-85 and select voices as required.
MIDI Keyboard
PSR-84/PSR-85
MIDI
MIDI
OUT
IN
MIDI Sequence Recording
The same type of musical information transfer described
above is used for MIDI sequence recording. A MIDI sequence
recorder can be used to "record" MIDI data received from a
PSR-84/PSR-85 , for example. When the recorded data is
played back, the PSR-84/PSR-85 automatically "plays" the
recorded performance in precise detail.
PLAYBACK
RECORD
MIDI OUT.
MIDI IN
MIDI OUT.
MIDI sequencer
PSR-84/PSR-85
Note:
Never use MIDI cables longer than about 15 meters, since
:
cables longer than this can pick up noise which can cause data
|
errors.
f
MIDI Bulk Dump
MIDI bulk dump operations allow large amounts of MIDI
data to be transmitted from one device to another. The entire
contents of the PSR-84/PSR-85
PAGE MEMORY, for ex-
ample, can be dumped to a second PSR-84/PSR-85 or toa
bulk storage device such as a MIDI data recorder or MIDI
computer.
MIDI IN
MIDI data recorder
PSR-84/PSR-85