ULEAD VIDEOSTUDIO USER GUIDE
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3. Enter a value in
Speed
or drag the slider to change the speed of the audio clip.
A slower speed makes the clip’s duration longer while a faster speed makes it
shorter.
Fade-in/out
Background music that starts and ends gradually is commonly used to create
smooth transitions. For each of your music clips, you can click
and
to fade-
in and fade-out the volume at the start and end of the clip.
Mixing audio tracks
The key to making narrations, background music, and existing audio of your video
clips blend well together is to control the volume of your clips. Blend the different
audio tracks in your project by using the
Audio Step Options Panel
,
Surround
Sound Mixer
or
Audio View
.
Using the Surround Sound Mixer
Unlike stereo stream that carries only two audio channels, Surround Sound has five
separate audio channels encoded into one file which is delivered to five speakers
and one sub-woofer frequency effect.
The Surround Sound Mixer has all the controls to position sounds around the
listener, outputting audio through the 5.1 configuration of multiple speakers. You
can also use this mixer to adjust the volume for stereo file, making it sound as if
Tips:
• You can specify how long the clip will play in
Time stretch duration
. The speed of
the clip will automatically adjust to the specified duration. This feature will not trim
the clip when you specify a shorter time.
• You can stretch the time of an audio clip in the Timeline by holding
[Shift]
then
dragging the yellow handles on the selected clip.
