MOTU Digital Timepiece User's Guide download pdf (Page 56)

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101

STRIPING TIME CODE

Figure 7-2: Regenerating time code with the Digital Timepiece.

To regenerate SMPTE time code:

1 Connect the original SMPTE track to the

SMPTE IN on the Digital Timepiece, and connect

the SMPTE OUT from the Digital Timepiece to the

destination SMPTE track (which could even be on

a different tape deck).

2 Choose the appropriate time base mode on the

front panel of the Digital Timepiece.Here are a few

common situations and the appropriate time base

settings for each one:

For more information, see “Choosing a time base

mode” on page 34.

3 Set the freewheel option in ClockWorks’ MIDI

Machine Control window to a high enough

number of frames to cover any drop outs that may

exist in the current time code.

Try setting it to between 2 and 8 frames, unless

there is an obviously large dropout. If so, set it

more than 8 frames. This ensures that drop-outs in

the old code are not reproduced in the fresh code.

4 If the existing time code you are regenerating is

discontinuous (i.e. there are no breaks in it, but the

frame numbers are inconsistent or jump around),

you can make the Digital Timepiece generate

perfectly continuous time code by turning off

(unchecking) the Frame Lock option in

ClockWorks’ MIDI Machine Control window. See

your ClockWorks manual for details.

This makes the Digital Timepiece jam to the

existing time code while at the same time

generating, fresh continuous frame numbers.

5 Roll tape and set SMPTE volume levels.

6 When the levels are set, roll tape and convert as

normal.

The Digital Timepiece automatically creates fresh

SMPTE time code that matches the original time

code and its relation to the other tracks on the tape.

In addition, the Digital Timepiece freewheels over

drop-outs in the old time code so that the new,

clean code has none. If you’ve unchecked the

Frame Lock option in ClockWorks, the fresh code

generated by the Digital Timepiece will be

continuous, even if the frame count in the original

code was discontinuous or jumped around.

LENGTHENING A SMPTE TRACK

If the time code on your SMPTE track ends too

early and you need to add more code, you can use

the One time jam sync option in ClockWorks. To do

so, feed the original track into the Digital

Timepiece and record the fresh code onto a new

track. Be sure to start from the beginning so that

you regenerate the entire length of the original

Situation

Time base mode

to choose

You are regenerating code from an ana-

log multitrack tape deck.

SMPTE (LTC)

You want the Digital Timepiece to

resolve to video while regenerating

code.

Video/SMPTE (LTC)

Tape Deck

Digital Timepiece

Fresh SMPTE

Time code

Original SMPTE

Time code

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MOTU Digital Timepiece User's Guide Page 56

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