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MIDI FUNCTIONS
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MIDI, the Musical Instrument Digital Interface, is a world-standard communication
interface that allows MIDl-compatible musical instruments and equipment to share
musical information and control one another. This makes it possible to create
"systems" of MIDI instruments and equipment that offer far greater versatility and
control than are available with isolated instruments. For example, most MIDI key-
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boards transmit note and velocity (touch response) information via the MIDI OUT
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connector whenever a note is played on the keyboard. If the MIDI OUT connector
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is connected to the MIDI IN connector of a second keyboard (synthesizer, etc.) or
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a tone generator such as the YAMAHA TX81Z FM Tone Generator (essentially a
synthesizer with no keyboard), the second keyboard or tone generator will respond
precisely to notes played on the transmitting keyboard. The result is that you can
effectively play more than one instrument at once, providing thick multi-instrument
sounds.
MIDI IN
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TX81Z
This same type of musical information transfer is used for MIDI sequence record-
ing. A sequence recorder such as the YAMAHA OX5FD Digital Sequence Recorder
can be used to "record" MIDI data received from the DS55, for example. When
the recorded data is played back, the DS55 automatically "plays" the recorded
performance in precise detail.
The examples given above really only scratch the surface. MIDI can do much,
much more. The DS55 offers a number of MIDI functions that allow it to be used
in even highly sophisticated MIDI systems.
Note:
Always use a high-quality MIDI cable to connect MIDI OUT to MIDI IN
terminals. Never use MIDI cables longer than about 15 feet, since cables
longer than this can pick up noise which can cause data errors.
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