Audacity loudness normalization

1. What is loudness normalization in audacity?
2. What does loudness normalization do?
3. How do you normalize loudness in audacity?

What is loudness normalization in audacity?

From Audacity Development Manual. Use the Loudness Normalization to change the level of the audio (normally reduce it to recommended limits). It is based on EBU R 128 recommendations on limiting the loudness of audio signals. See Perceived Loudness for the technical details about it.

What does loudness normalization do?

Loudness normalization adjusts the recording based on perceived loudness. Normalization differs from dynamic range compression, which applies varying levels of gain over a recording to fit the level within a minimum and maximum range. Normalization adjusts the gain by a constant value across the entire recording.

How do you normalize loudness in audacity?

How to increase volume in Audacity

1. Highlight the section of audio you need to increase the volume.
2. Navigate to the Effect menu, select the Amplify or Normalize effect, and then adjust the settings of the effect.
3. Click Preview to hear the changes, and then click Ok to apply the changes.