Problem
If you have add background music to your videos or recordings, you have to edit the audio, for example, to adjust the audio volume.
Solution
You can choose Camtasia Studio 5 to adjust the audio volume of your videos and recordings.
Start Camtasia Studio 5 and drag the videos or recordings you want to edit to the Timeline.
Basic ways to adjust audio volume:
Even Out Volume Levels.
It adjusts the volume of the audio on the Timeline to a standard level. Use the Even out volume levels when the recording level between audio clips varies greatly.
Tips
File types supported by Camtasia 5:
Video files: .avi, .camrec, .mpg, .mpeg, .wmv.
Audio files: .wav, .mp3, .wma.
See also
How to Remove Video Noise
How to Add Music to Videos
How to Fade Audio
How to Cut Sound Out of Clips