: Rebuilds the high-frequency harmonics cut out during aggressive lossy compression (such as low-bitrate MP3 or streaming algorithms) to eliminate a "muffled" output.

: The interface is simple and straightforward, allowing for immediate "one-click" audio improvement. It also features customizable skins to change its visual appearance—a feature notably absent in many newer versions.

Compensates for the "muffled" quality of compressed audio (like low-bitrate MP3s) by restoring lost high-frequency harmonics.