Normalize and change the volume of your .m4a sound tracks in a fast and easy way. Features: - select the files or a folder (also with subfolders) and load your audio files (support for drag and drop); - choose the tracks and normalize the volumes; - choose and set your preferred volume; - play the track and change the playing point clicking on the waveform or with the buttons. Warning: before to run the application, create a new folder and save a copy of your audio tracks, to prevent that unwanted changes can damage your files.