Midi Data Format; Midi - Yamaha SPX50D Service Manual

SPX50D
SPX50D
MIDI
DATA FORMAT
1
.
Reception Conditions
MIDI TRG. (BASE
KEY)
2.
Reception Data
2-1
.
Channel
Information
1
)
Channel Voice
Message
O
NOTE
ON
Can
be received
on
the
MIDI Channel
set
in
the
currently active
bank.
In
the case of effect
28 (ADR-Noise Gate)
and
effect
30 (Reverb
&
Gate),
if
the
MIDI
TRG
parameter
is
ON
a
NOTE
ON
message
received
will
trigger
the
effect.
If
effect
31 (PitchA)
is
selected,
the received
NOTE
ON
data
is
used
to set
the
pitch shift
of
the
effect.
NOTE
ON
data
will
be ignored,
ho-
wever,
if
the
BASE KEY
parameter
is
set to
OFF.
STATUS
1001nnnn(9nH)
n=0(channel
no. Il-
ls
(channel no. 16)
NOTE
NO.
Okkkkkkk k=0(C-2)-127
(G8)
VELOCITY
Ovvwvw
v= 0-127
@
NOTE OFF
Although
this
message
causes no
direct act-
ion
in
the
SPX50D,
it
is
essential to signal the
end
of
a
NOTE ON
message. The
conditions
for
NOTE OFF
message
reception are the
same
as
for
NOTE ON
reception, as described ab-
ove.
STATUS
lOOOnnnn
(8nH)
n=0
(channel no. 1)-
15(channel
no. 16)
NOTE
NO.
Okkkkkkk
k=0(C-2)-127(G8)
VELOCITY Ovvwvw
v=0-127
0 PROGRAM CHANGE
Can
be
received on
the
MIDI
channel
set
in
the
currently active bank.
The
effect
assigned
to the received program
number
in
the program assignment
table
will
be
selected
STATUS
1
lOOnnnn(CnH)
n=0(channelno.1)-
1
5
(channel no.
1 6)
PROGRAM
Oppppppp p=0-127
NO.
25