Midi Section \ Nen; Whatis' Midi; Une Essen; Midi Terminals And Midi Cables - Yamaha PortaSound PSS-590 Owner's Manual

MIDI Section
The PSS-590 is a digital Keyboard operating with MIDI
Standard. If you know about MIDI, you will come to know
more about the workings and applications of the PSS-590.
Now, we will gradually venture into the world of MIDI.
a. What is MIDI?
MIDI is an abbreviation for: Musical Instrument Digital
Interface, which transmits and receives information about
the music being played between MIDI-equipped electronic
instruments/devices (such as personal computers). Since
the concept of this World Standard has been adopted, it
has allowed the interaction of many kinds of electronic
equipment throughout the world. It may sound
overwhelming but it really will be worth learning about MIDI.
For example, you can connect different brands of
instruments having a MIDI Standard, the melodies played
on an instrument could be played out on another
instrument, or if you connect even more instruments, it's
easy to broaden your capabilties and coordinate many
sounds which together could sound as big as an Orchestra
with you as the conductor! Let's take a look into how the
electronic instruments can be connected by using MIDI.
b. MIDI Terminals and MIDI
Cables
MID! instruments/devices always have MIDI Terminal hook-
ups. If you view the rear panel of the PSS-590, you will see
the MIDI Terminals fitted there as shown below. Starting
from the right, they are: MIDI IN, MIDI OUT.
* Depending on the type of machine or instrument, the order of the
Terminals may vary.
Each Terminal's role is as follows:
MIDI IN Terminal: This is the gateway which Receives
MIDI information from other MIDI instruments/devices.
MIDI OUT Terminal: This is the gateway which Transmits
MIDI information generated by the PSS-590. This Terminal
also Transmits the same Channel Messages as Received
by the MIDI IN Terminal.
28
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When you connect those MIDI Terminals, use MIDI Cables
which are shown below:
(
Note: Remember NOT to make a MIDI connection on one
unit of the PortaSound. In other words, Don't connect the ।
MIDI OUT Terminal with the MIDI IN Terminal of your I
PortaSound. This causes a Loop of MIDI connection, even \
a single key pressing will overdrive the internal Sound -
Module and Microcomputer to go on sounding all of 28 \
notes until the key is released. t
PSS-590 MIDI Ea
esa " MIDI OUT
b
m= a ance | ;
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C e
c. MIDI Connections
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Now, let's connect the MIDI OUT Terminal which is an Exit
of MIDI information, and the MIDI IN Terminal which is an
Entrance of the information, using one MIDI cable. In this
case of the connection illustrated, performance information
from the PSS-590 will be sent out to MIDI instrument (A).
In other words, you can say this is a situation where the
PSS-590 controls (commands) the MIDI musical Instrument
(A). Therefore, in this case the instrument that gives the
command (PSS-590) is called the "Master", and the
instrument that obeys the commands is called the "Slave" 4
(Musical Instrument (A)). This is an important idea to
remember when dealing with connecting MIDI Instruments.
| MIDI IN
PSS-590
MIDI OUT
MIDI Instrument (A)
[INI ul
(Master)
(Slave)
Oppositely, in the following case, MIDI instrument (A) will
be the Master and the PortaSound will be the Slave.
i |
l
MIDI OUT
MIDI Instrument (A)
PSS-590
y MIDI IN
Y
HADIR
(Slave)
(Master)