MIDI
The YPR-50 also features MIDI terminals, allowing you to interface the YPR-50 with other MIDI instruments and devices.
About MIDI
MIDI (Musical Instrument Digital Interface) is a worldwide standard that is built into many electronic musical
instruments and other digital music related devices, allowing them to be connected and "communicate" with
each other. For two MIDI instruments to communicate, they must be connected by MIDI cables. In a basic
example, the MIDI IN and MIDI OUT terminals of the YPR-50 could be connected to the MIDI OUT and
MIDI IN terminals of a sequencer, allowing you to record and play back performance data from the YPR-50.
The instruments communicate with each other by sending "messages" or MIDI data. The sending instrument
usually assigns the data to one of sixteen MIDI channels, then transmits it over the MIDI cable. The cable
itself, however, is not divided up into sixteen channels. Just as with a television set that receives programs on
different channels, it is up to the receiving instrument to "tune into" the proper MIDI channel. If the sending
and receiving channels on the respective instruments do not match, the receiving instrument may not
understand or respond to the one sending.
How Can MIDI be Used?
In the simple, yet powerful MIDI application example below, the sequencer is used to record and play back
performance data played on the YPR-50 keyboard.
Before actually recording to the sequencer, press the PIANIST STYLE button to make sure that the current
settings are sent. When the data is played back from the sequencer, the YPR-50 will sound with the exact same
settings as you used during recording.
n
•On the YPR-50, the following channels (seven total) are enabled for MIDI reception: 1, 2, 3, 4, 5, 6, 7. The MIDI transmit
channels are fixed to the following data:
Ch. 1 : Keyboard
Ch. 2 : Bass
Ch. 3 : Chord
Ch. 4 - 7 : Other
•Parts that have been recorded using the YPR-50 should also be played back from the YPR-50. Data may not play back as
expected when using other sound sources (such as the internal sounds of the sequencer). Also, a connected sound source
may sound at a different octave from that originally played on the YPR-50.
•MIDI data cannot be transmitted during song playback.
•Avoid using MIDI cables 15 meters or longer, since doing so can result in MIDI errors.
sequencer
IN
OUT
IN
OUT
Connect the MIDI IN of the YPR-50
to the MIDI OUT of the sequencer.
Connect the MIDI OUT of the YPR-50
to the MIDI IN of the sequencer.
Receives MIDI data from the
connected sending device.
Transmits MIDI data (keyboard performance)
to the connected device.
28
YPR-50
ypr50.qx 10/7/99 11:01 AM Page 28
