A gain of 50% will decrease the volume in half.

The Amplify menu will open where you can adjust the gain percentage, or select a preset from the drop down menu.In the Levels tab toolbar at the top of your screen, click Amplify.To make your audio quieter or louder, use the amplify tool. Click the Play button in the Noise Gate menu to preview the changes before clicking Apply.In the Noise Gate menu, adjust the threshold slider to your desired level, or select an option from the preset menu.Click Cleanup > Noise Reduction > Noise Gate.To remove background noise based on threshold: Click Next to preview the file, then click Next again to apply the changes.

In the Wizard menu, select the type of background noise you would like to remove.

Click Cleanup > Noise Reduction > Noise Removal Wizard.

To remove background noise based on type of noise:

WavePad will then remove background noise from your file.

Repeat the previous steps by clicking Cleanup > Noise Reduction > Spectral Subtraction based on Noise Sample.

Click on your file to deselect the highlighted portion of your clip.

Select Noise reduction from the menu, then select Spectral Subtraction based on Noise Sample.

In the edit tab toolbar at the top of your screen, click Cleanup.

Click and drag your mouse to select a portion of dead air from your clip (a section that captures the background noise of your file).

To remove background noise based on a noise sample: There are many ways to remove background noise from your file in WavePad.

Wavepad for windows 10