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204 VIDEO CAPTURE
Resizing the program window
Whenever you change the frame size in Video Capture, the video window resizes
itself accordingly. To resize the program window for optimum viewing, drag its
borders to widen or lengthen it, or maximize to take full advantage of your
monitor's screen size. You can also click View: Center to resize the program
window to fit snugly around the video window or center it on your screen.
Defining audio input when capturing analog video
If your video source has a soundtrack, it too can be captured with the video. Once
captured, it will play back in synchronization with the video. Exactly how sound is
captured depends on a combination of factors, namely: the video source, the video
capture board, and the sound card installed in your computer. In general, the
video capture board handles the capturing of video frames while your sound card
captures the audio portion. Video Capture then merges this information into the
resulting video file.
To define audio input:
1. Click the Audio Format button on the Standard Toolbar or Setup: Audio
Format to open the Audio Format dialog box. (This command is disabled when
your PC has no sound card and your video capture board does not support
audio.)
2. In the Name combo box, select an option for the audio data. The attributes of
the option are displayed in the Attributes combo box. (You can also select a
new combination of audio attributes directly from this combo box.)
If you define new attributes and wish to save them for later use, click the Save
As button. The Save As dialog box opens allowing you to assign a name to the
attributes. Clicking OK saves the attributes and the specified name appears in
the Name combo box.
3. Click OK. The dialog box closes and the audio attributes are now set for your
next capture.
Any sound you hear over your speakers is not affected by the selections made
with this command. To hear the changes, you need to have a sound mixer
utility that provides a monitor function. If you have a mixer, you can mix your
own soundtrack by combining the output from MIDI, WAVE, CD-ROM, and
other external sources (such as your VCR).
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