Adding 3 db normally would be enough to give some clarity to your files, without distortion. If you choose the graphic equalizer, you can easily increase the upper frequencies, from 12 to 20 khz. Two of the most basic steps in audio equalization are rolling off base and enhancing the highs, which both can be easily done by adding and dragging dots in the Filter Curve EQ tool. Double click the command and edit the Parameters, configuring how much treble you need to add. The Audio Equalizer in Audacity is a great tool to enhance the quality of a recording by increasing or decreasing the volume of frequencies. Double click the first row and select the Equalization command. At the right pane you will need to add the filter to apply to your files. Eq: equalize audio to remove unnecessary sound at specific spectrum N: Normalize if there is no background sound.

Many people’s follows different approaches. to add treble and then save all of them, without changing the original files (just in case something goes wrong), Audacity can help! As is known, Audacity is not an exemplar of simplicity and user-friendliness, but, if you read carefully you won’t have any problem doing this batch processing of your mp3 files.Īt the File menu of Audacity you will find the “Edit Chains” command (in recent versions go to Tools / Macros) Add a new chain (macro) naming it e.g. Audacity tutorial noise reduction, compression, equalization Post processing audio with audacity very simple & effective and it’s free and popular. You can download some of them from the EQ Curves Library section and import them into Audacity using Effect > Equalization. If you need to apply some filter to a group of mp3 files at once, e.g.

Audacity equalizer