The changes to the QuickEnhance 2.1.0 1/1/2008: 1) Improved GUI – Graphical User Interface. Names of filters were revisited for user recognition and clarity. 2) 20-Band Equalizer (previously 10 bands) 3) Improved Auto-Normalize feature with implementation of 10dB max 4) Improved Hum Filter by adding “filter amount” control