Apple Soundtrack Pro User Manual download pdf (Page 187)

Chapter 8 Working With Video in Soundtrack Pro 187

Using Video Output Devices

You can connect an external video output device to your computer and play your

project through the video output device. This can be especially useful in cases where

you are using Soundtrack Pro as the final step in producing the overall project, or when

you want to show the current version of the project to a client or other party while

working on the project in Soundtrack Pro.

When you use an external video output device, the quality of the output is as high as

the device can support. If you connect an output device capable of broadcast quality

output, the video is displayed with more accurate colors than possible on a computer

display, with true interlacing, correct pixel sizes, the correct aspect ratio, and broadcast

quality refresh rates.

Broadcast quality video output devices receive both the video and audio from a

project, so you can connect high-quality monitors or speakers to hear the audio.

However, using a video output device can introduce a greater amount of latency into

the audio signal. The amount of latency may be higher than is acceptable for audio

editing.

You can also play a project’s video externally using Digital Cinema Desktop. Using

Digital Cinema Desktop, you can connect an Apple Cinema Display to your computer

and play the video full-screen through the Cinema Display while using another monitor

for editing.

To play the video through a video output device, you must configure Soundtrack Pro to

use the device in Soundtrack Pro Video Out Preferences.

To configure Soundtrack Pro for a video out device:

1 Choose Soundtrack Pro > Preferences, then click the Video Out button.

2 In the Video Out pane, choose the device you want to use from the Video Output

Device pop-up menu.

The menu lists only devices that are connected to your computer.

3 Optionally, select the Use Quarter-size Frames checkbox to reduce the frames sent to

the video output device. Sending quarter-size frames can result in better performance,

especially for devices using FireWire DV output.

4 Click the Close button at the upper-left corner of the Preferences window to close the

window.

You can switch the output to the video output device on or off when the project is not

playing. The video appears in the Video tab whether output to the video output device

is switched on or off.

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Apple Soundtrack Pro User Manual Page 187