MOTU Digital Timepiece User's Guide download pdf (Page 86)

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101

DIGITAL TIMEPIECE & PRO TOOLS

PRO TOOLS AS MASTER

In this scenario, Pro Tools is the timebase, address

and transport master. The Digital Timepiece —

and everything connected to it — slaves to Pro

Tools. Pro Tools transmits 256x word clock (“slave

clock”) and MTC to the Digital Timepiece, which

slaves to both, as demonstrated in Figure 12-2. The

Digital Timepiece is placed in Word 256x/MTC

mode so that it uses the word clock from Pro Tools

as a time base and MTC generated by Pro Tools for

address. You have transport control over

everything from the Pro Tools transport window

on your Macintosh screen.

Figure 12-2: When you set up Pro Tools as the master, the Digital

Timepiece slaves to 256x word clock and MTC generated by Pro Tools.

The Digital Timepiece time base mode is ‘Word 256x/MTC’.

When to use this setup

If you would like to control everything from your

Pro Tools on-screen transport buttons, this setup is

the preferred way to go — as long as your recording

project allows you to use Pro Tools as both the time

base and address master. If, however, you need to

slave Pro Tools to ﬁlm or video, or you have

another situation that requires you to use the

Digital Timepiece —or another device in your rig

— as the time base, address, or transport master,

then you must use one of the other scenarios

discussed later in this chapter.

☛ For the tightest synchronization possible

between Pro Tools and other devices, see “Pro

Tools and Triple-sync” on page 91.

Essential connections

1 Connect the Slave Clock Output of your Pro

Tools I/O to the Word 256x Input of the Digital

Timepiece. Be sure to remove the opposite 256x

word clock connections (so that Pro Tools doesn’t

think it’s a word clock slave).

2 You will also need bi-directional MIDI

connections between the Mac and the Digital

Timepiece for MIDI Time Code.

Digital Timepiece mode

Put the Digital Timepiece into 256x/MTC mode. It

will then establish time base lock to 256x word

clock input from the slave clock output of your Pro

Tools I/O interface. It will then wait to receive

MIDI Time Code from Pro Tools.

If the Digital Timepiece doesn’t properly lock to the

256x time base, make sure that the Sync Mode

setting in Pro Tools is set to Internal.

Setting up OMS and/or FreeMIDI

This scenario works well either with OMS or with

FreeMIDI’s OMS emulation. If you don’t normally

use OMS and you won’t be playing any MIDI

sequences during your Pro Tools sessions — either

from Pro Tools or from a sequencer, you can

simplify your life a little bit by removing OMS and

using FreeMIDI’s OMS emulation (as described in

“Enabling OMS emulation in FreeMIDI” on

page 85). You’ll deﬁnitely want to use emulation if

you want to sync Performer (or Digital Performer)

simultaneously with Pro Tools.

Digital

Timepiece

mode: 256x/MTC

MIDI Time Code

from Pro Tools

software

Other devices slaved to

the Digital Timepiece

MTC

Pro Tools

ClockWorks and

your MIDI

sequencing

software (if any)

256x word clock from

Pro Tools I/O interface

PLAY

REC

SONY 9-pin compatible video deck

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MOTU Digital Timepiece User's Guide Page 86

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