How to Reduce Background Noise in Audio on Windows

Reduce Noise in Five Steps

1. Open Your Recording

   Choose File → Open… and load the recording. Listen first so you can identify steady noise, clicks or competing voices.

2. Try a Short Section

   Select a representative section that includes speech and background sound. Trying a short section first makes the effect easier to judge.

3. Apply Voice Noise Reduction

   Choose Effects → Noise Reduction (Voice). This command processes the selected audio; if no section is selected, it processes the whole file.

4. Compare the Result

   Listen for clear words and natural consonants. Use Edit → Undo if the result sounds watery, metallic or less intelligible; do not keep applying the effect to the same section.

5. Process and Export a Copy

   If the test helps, undo the test, select the full section you want to process and apply the command once. Use File → Convert / Export… to save a new file.

Check More Than the Quiet Parts

Listen to the ends of words and quieter phrases as well as the spaces between them. The useful result is clearer speech, rather than silence at any cost.