How to Reduce Noise?

Introduction
Step 1. Input an Audio File
Step 2. Select the Noise Region
Step 3. Run Noise Reduction Process
Step 4. Save the File

Introduction

Do you want to remove unwanted hiss, room noise, rumble, electrical hum, and other background noise from digital audio tracks, cassette/tape recordings, vinyl LP recordings, and more? MP3 Audio Editor will be ready to reduce unwanted background noise in audio files by using the powerful noise reduction tools. Download and install MP3 Audio Editor first.

Download MP3 Audio Editor

Step 1. Input an Audio File

Launch MP3 Audio Editor. Click "Open" () to activate a browser window, in which you can select an audio file from your computer (). Then, click "Open" () to input the audio file to program.

Tips: All the files of the supported formats can be seen in the "Open" window & if you want know other formats supported, activate the "Files of type" dropdown list at the bottom.

Input an Audio File

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Step 2. Select the Noise Region

Select the region of the waveform to be reduced noise. There are 4 ways to select a region: click anywhere of the waveform as a starting point and use hotkey like Shift+Home, Shift+End or Ctrl+A to select from start/end or all (); click the left button and drag along with the waveform to the place wanted to be selected (); specify the beginner & end of the session by moving the sliders below the waveform window (); Input the start, end and length of time to choose specified region at the bottom of the editor (). If you want to reduce noise with all file, then go to the next step.

Tips: If you do not select any part, some inactivated buttons will be in color grey and the corresponding features are unavailable; some audio effect will be directly applied to the whole waveform.

Select the Noise Region

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Step 3. Run Noise Reduction Process

Click "Noise Reduction" button () to open the Noise Reduction dialog. Next you can make some adjustments to the Noise Reduction settings () like Threshold, Rate and Root-Mean-Square Time. Or you can select one of the presets from Presets list. There are Cassette Noise Reduce, Extent for Music, Voice Breath Reduce and so on prepared for you. Preview () the final result before processing, and then click "OK" () to run the Noise Reduction process to the selected region.

Run Noise Reduction Process

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Step 4. Save the File

Once the process is complete you can see and hear that you noise is removed throughout the entire audio file. You can now go to the "Home" tab () to click "Save" () to save your new audio file.

Save File: to save the changes to the edited file.
Save File As: The file that has been edited can be saved with a different file name and/or location.
Save Selection As: to save just the highlighted selection to a file.

Save the File