Follow the steps below to edit the audio quality on a .mov file with a little help from Quicktime Pro and Audacity.
- In Quicktime Pro, export sound the .wav file. Click “File,” then “Export.” Use the dropdown menu to choose “Export Sound to Wave.”
- Open the file in the Audacity.
- Find a segment of the background noise you wish to remove.
- Select that segment of noise.
- Click “Effect,” then “Noise Removal.”
- Retrieve the “Noise Profile.”
- Select the entire sound file.
- Click “Effect,” then “Noise Removal.” Adjust the “Less/More” bar to determine how much noise to remove, and “Preview” the clip.
- Click “Remove Noise.”
- Save the project, and export it as a .wav file.
- Open the corrected audio file through Quicktime.
- Select the corrected audio file by moving the markers to the beginning and end of the clip.
- “Copy” the corrected audio file.
- Select the existing audio on the .mov file by moving the markers to the beginning and end of the clip.
- Click “Edit,” then “Add to Selection and Scale.”
- Click “Window,” then “Show Movie Properties.”
- Delete Audio Track 1.
Congratulations! Your video clip should now play with corrected sound.