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WORKING WITH VIDEO CHP. 16
Changing video strip height
You can change the video strip height by dragging the thin bar at the bottom of the video strip. To change
the default height for all video files you open in Sound Forge, choose
Preferences from the Options menu
and set a
Default video strip height on the Display tab.
Enabling frame animation
When playing a video file, you can specify whether frames are animated or displayed as still frames. To turn
on frame animation, right-click the video strip and choose
Animate from the shortcut menu. A check mark
appears adjacent to the command to indicate this feature is turned on.
Using the cursor to select a frame
When frame animation is turned on, clicking anywhere within the audio portion of the data window displays
the corresponding video frame in the video strip. To move the cursor by single frames, press + or
+.
Viewing frame numbers
Sound Forge allows you to display frame numbers on each frame in your video
strip, which can assist you in positioning your audio. As you zoom in more
tightly, each frame in the strip represents one frame in the video.
1.
Open a video file and display the video strip.
2.
From the Options menu, choose Video, and then choose Number Frames. A
check mark appears next to this option on the menu when the feature is
enabled, and a small box with a number appears at the bottom of each
frame. The small black arrow marks the exact position of the frame.
Right-click the video strip and choose
Number Frames from the shortcut menu.
3.
Using the data window’s zoom ratio controls, zoom in/out on the waveform several times and observe the
numbering of the video frames.
Tip:
Select a frame number format by choosing Preferences
from the
Options menu and selecting an option from the
Frame numbering on thumbnails drop-down list on the Video
tab.
Drag the bar below the video strip
to change the video strip height.
Alt
Alt
Frame
number