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 Table 6.2 Bars and Tone Formatted for Commercials

Source TC In TC Out Duration

Bars and Tone 00:58:50:00 00:59:50:00 00:01:00:00

Slate/Countdown 00:59:50:00 00:59:58:00 00:00:10:00

Black 00:59:58:00 01:00:00:00 00:00:10:00

Commercial 1:00:00:00

There is no true standard for applying bars and tone, but these are the most

common. Motion pictures use an SMPTE leader when counting down. No doubt you

have seen this many times. For some films that are transferred to video, this leader is

still used. There is a QuickTime of the SMPTE leader for you in this chapter’s folder

on the Avid Made Easy companion DVD.

When adding bars and tone, you might have to change your starting timecode

in the sequence to make sure that the program starts at the hour. This is a simple

procedure:

1. Click the monitor that has your sequence.

2. Press Ctrl+I/F+I on the keyboard. Information about the sequence appears,

including your start timecode.

3. Type in your new starting timecode and close the window.

Creating a new start timecode does not move anything in the sequence; it just

changes the start number. So you’ll have to move everything down when you put in the

bars and tone. Don’t forget to edit on all tracks, or else your higher channels of video

(video track 2 on Free DV and video tracks 2–24 on Xpress Pro) will shift out of sync

with your other program material.

Adding the Slate

The slate is a means of identifying a sequence in its current state (that is, it needs to

have a unique identifier to serve its purpose). You might edit 15 different versions of a

commercial spot. What makes this one unique? Usually you can tell by identifying it on

your slate.

For example, suppose that you edit a commercial for a big soft drink company.

The director has worked with you on this spot and has 15 different versions of it. The

director is not sure which one will run, so you are asked to do a digital cut of all the

different versions.

Usually, a spot has some form of identification—a number to differentiate it

from other spots. The soft drink spot has the identifier 118-05-CCN. So you could

name them 118-05-CCN-A, 118-05-CCN-B, and so on. Without the slate, it could be

difficult to note the subtle variations between each version.

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Pyro Industries API-1394PCI Manual de usuario Pagina 248