How to Batch Normalize Audio with Audacity

Batch processing in Audacity requires the use of a chain. A chain is a set of preconfigured commands that can be applied to projects or audio files. In this tutorial, you’ll learn how to create a chain to normalize audio with Audacity.

Create a Chain

To create a chain, navigate to File/Edit Chains.

Click the Add button to create and name a new chain. In the screenshot below, I’ve named my new chain “Normalize to -0.1dB,”

Next, click the Insert button to add commands to the chain. Since I want to create a chain to normalize and export audio files, I’ve added the Normalize and** ExportWAV** commands.

Some commands have editable parameters, which can be accessed by pressing the Edit Parameters button in the Select Command dialog box. For example, the** Normalize** command has editable parameters for removing DC offset, maximum amplitude, and normalizing stereo channels independently.

After the chain has been created, navigate to File/Apply Chain. Select the newly created normalization chain, and click** Apply to Files**.

Finally, select the audio files you want to normalize, and press Open.

After the batch processing is finished, the normalized files will show up in a cleaned folder in your source directory.

In Music Technology