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Fade-in/out
Background music that starts and ends gradually is commonly used to
create smooth transitions.
To apply fade effects to your audio clips
• Click the Fade-in and Fade-out buttons.
Audio view
The key to making narrations, background music, and existing audio
of your video clips blend well together is to control the relative volume
of your clips.
To blend the different audio tracks in your project
• Click the Sound Mixer button in the Toolbar.
Note: If you are in 5.1 mode, the Surround Sound Mixer is
displayed. If in Stereo mode, the 2-Channel Mixer is displayed.
Using the Surround Sound Mixer
Unlike a 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.
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 files, making it sound as if the audio moves from one speaker to
another.
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