Roland VS-2000 User's Guide download pdf (Page 189)

189

Chapter 15

Chapter 15 Using External MIDI Devices

This chapter describes the MIDI messages that can be used

by the VS-1680 and the operations that the VS-1680 can

perform using MIDI messages. For more detailed

information about MIDI, refer to “About MIDI” (Appendices,

p. 4).

Synchronizing with MIDI

Sequencers

The VS-1680 can be operated in synchronization with a MIDI

sequencer. Refer to the owners’ manual for your sequencer in

conjunction with this user’s guide. There are two main ways

to accomplish synchronization via MIDI. One method is to

use MTC (MIDI Time Code), and the other method is to use

MIDI Clock. MIDI Clock provides two methods within itself;

sync track and tempo map, either of which can be selected.

MIDI Time Code is more precise and should be used for

applications such as syncing to video and syncing the VS-

1680 as a slave to another device. MIDI Clock references

tempo and time signature settings and can be used when

slaving a sequencer or drum machine to the VS-1680.

MTC (See Appendices, p. 64)

Items Necessary for

Synchronization

• VS-1680

• Audio equipment to be connected to the MASTER jack,

or stereo headphones

• External MIDI sequencer or computer sequencer

software (such as Emagic® Logic™)

• MIDI Cables

Master and Slave

When synchronizing the VS-1680 with a MIDI sequencer, the

device that sends or transmits MTC or MIDI Clock and acts

as the reference device is referred to as the “master.” The

device that receives the MTC or MIDI Clock signals from the

controlling device is called the “slave.” When using MTC,

you can choose whether to have the MIDI sequencer be the

master that controls the VS-1680, or to have the VS-1680 be

the master that controls the MIDI sequencer. When you use

MIDI Clock, you can synchronize a MIDI sequencer using

the VS-1680 as the master, but it is not possible to

synchronize the VS-1680 as a slave to MIDI Clock.

Using MTC

This section explains how the VS-1680 can be synchronized

with a MIDI sequencer that implements MTC (MIDI Time

Code). When using MTC, you can choose to have the VS-

1680 be the master that controls the MIDI sequencer, or to

have the MIDI sequencer be the master that controls the VS-

1680.

Frame (See Appendices, p. 63)

NTSC Format (See Appendices, p. 64)

SECAM/PAL (See Appendices, p. 64)

MTC Type

The VS-1680 can work with the following types of MTC.

Check the specifications of the MIDI devices that you are

using, and select the appropriate type of MTC in the VS-

1680.

30:

30 frames per second non-drop format. This is the

VS-1680 default value, which is used by most

sequencers, audio devices such as analog tape

recorders, and for NTSC format black and white

video.

29N:

29.97 frames per second non-drop format. This is

used for NTSC format color video.

29D:

29.97 frames per second drop format. This is used

for NTSC live broadcast color video.

25:

25 frames per second. This is used for SECAM or

PAL format video, film, and audio equipment.

24:

24 frames per second. This is used for film and some

audio devices in the US.

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Roland VS-2000 User's Guide Page 189

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