Korg ER-1mkII 8. Appendices

8.Appendices

8. Appendices

About MIDI

1. MIDI channels

Similarly to a television, data can be received when the channel

of the receiving device matches the channel on which the data

is being transmitted.

The transmit/receive channel of the ER-1mk

is set by the MIDI

Channel setting in MIDI mode.

2. Note-on/off

When you strike a key pad, the note number assigned to that

pad and a velocity value will be transmitted as a Note-on mes-

sage [9n, kk, vv] (n: channel, kk: note number, vv: velocity). On

the ER-1mk

, the vv: velocity value is determined by the Ac-

cent level. When you release a pad, a note-off message [8n, kk,

vv] is transmitted. However, most devices do not transmit note-

off velocity, and neither does the ER-1mk

. When note-on/off

messages for a note number assigned to a part are received,

that part will sound.

Note-on/off messages are transmitted and received on the MIDI

channel that you specify in MIDI mode.

3. Switching patterns

When you switch patterns, Program Change message and Bank

Select messages [Bn, 00, mm] (control change #00), [Bn, 20, bb]

(control change #32) (mm: bank number upper byte, bb: bank

number lower byte, together allowing 16,384 banks to be se-

lected) will be transmitted.

If a Program Change is received on the MIDI channel of the ER-

1mk

, patterns will be switched within the same group (e.g.,

from A01 to A02). After a Bank Select has been received, the

next-received Program Change will be able to switch to a pat-

tern of a different group (e.g., from A01 to C01).

Transmission and reception of Program Change messages can

be controlled by the MIDI mode MIDI Filter setting.

Bank Select Program Change Pattern number

MSB LSB

00 00 0...127 A01...b64

00 01 0...127 C01...d64

4. Using NRPN messages to edit

NPRN (Non Registered Parameter No.) messages are messages

to which manufacturers are free to assign their own functions.

On the ER-1mk

, NRPN messages are assigned to all knobs and

keys of the Synthesizer section other than Motion Seq. and De-

lay Type.

To edit, first use NRPN (LSB) [Bn, 62, rr] and NRPN (MSB) [Bn,

63, mm] (control change #98 and 99) (rr, mm: lower and upper

bytes of the parameter no.) to select the parameter. Then trans-

mit Data Entry (MSB) [Bn, 06, mm] and Data Entry (LSB) [Bn,

26, vv] (control change #06 and 38) (mm, vv: upper and lower

bytes of the value, together expressing 16,384 steps) to set the

value. The ER-1mk

uses only the MSB value (128 steps) of the

Data Entry message.

5. If "stuck notes" occur

If for some reason a note fails to stop sounding, you can usually

switch modes to stop the sound. If a note played via MIDI fails

to stop, you can simultaneously press the Shift key and the Stop/

Cancel key to perform a MIDI Reset.

6. About synchronization

Two or more sequencers can be connected via MIDI and made

to playback in synchronization. Messages used for synchroni-

zation (realtime messages) include Timing Clock [F8], Start [FA],

Continue [FB], and Stop [FC]. In a synchronized system, one

synthesizer (the master) will transmit these messages, and the

other sequencer(s) (the slave(s)) will receive these messages. The

slave devices will playback according to the tempo specified by

the Timing Clock messages transmitted by the master. Twenty-

four Timing Clock messages are transmitted for each quarter

note. When the ER-1mk

’s Global mode parameter Clock is set

to INT, it will be the master device, and will transmit these

realtime messages. When Clock is set to EXT, it will be the slave

device, and will receive these realtime messages. However even

when Clock is set to EXT, the ER-1mk

will operate according

to its own internal clock if no Timing Clock messages are being

received. The Start message specifies when playback will be-

gin. When the Start/Pause key is pressed on the master device,

it will transmit a Start message. Slave devices that receive this

Start message will synchronize to the Timing Clock messages

subsequently received, and will begin playback from the be-

ginning. If the Start/Pause key is pressed on the master devices

when it is paused, the master will transmit a Continue mes-

sage. When a slave device receives the Continue message, it

will resume playback from the point where it is currently

stopped. If the Stop key is pressed during playback, the master

will transmit a Stop message. Slave devices will stop playback

when they receive a Stop message.

7. Synchronization in Song mode

In Song mode, the ER-1mk

can transmit and receive Song Se-

lect and Song Position Pointer messages. When you switch

songs, a Song Select [F3 ss] message will be transmitted (ss: song

number, where one of 128 songs can be selected. On the ER-

1mk

you can select 16 songs.) If the ER-1mk

receives a Song

Select message in Song mode, it will switch songs. Transmis-

sion and reception of Song Select messages can be restricted by

the MIDI Filter settings of MIDI mode. If you change the cur-

rent position on the master device (i.e., the device whose Clock

is set to INT) when the song is stopped, a Song Position Pointer

message [F2 pp pp] will be transmitted. (pp: the number of MIDI

beats from the beginning of the song; i.e., the number of Timing

Clocks divided by six.) Song Position Pointer indicates the lo-

cation at which the sequencer is currently stopped. When Song

Position Pointer is received in Song mode by a slave device (i.e.,

a device whose Clock is set to EXT), it will change the location

at which its song is currently stopped to match the location of

the master. However on the ER-1mk

, the length of each pat-

tern may be different, so the master and slave will not necessar-

ily be in the same location. When the Start/Pause key is pressed

on the master device, a Continue message is transmitted, and

the song will begin playback from the currently selected posi-

tion. When the slave device receives the Continue message, it

will synchronize to the Timing Clock messages and begin play-

back from the current point in the song. In the same way as

synchronizing the playback from the beginning of the song, you