3ASUS Xonar HDAV Slim6.2.6 Dolby Pro-Logic IIxDolby Pro-Logic IIx is a 7.1 surround upmixing technology and is widely used inhome theater systems, TVs, game consoles, and car audio systems. It can expandstereo audio, such as MP3, CD, and TV programs into immersive 5.1 or7.1-channel surround.No Item Description1 Dolby Pro-Logic IIxenable/disableClick this check box to enable Dolby Pro-Logic IIx. Clickingthe text bar will switch the right window to the Pro-Logic IIxpage for manual adjustments.2 Center Width This parameter is used to set the spread of the center, mainlyfor the vocal signals of songs and music. Drag the scroll barto the left to centralize the vocal signal. Drag to the right sideto widen the vocal sound range.3 Reset Reset all settings to the defaults.4 Dimension The dimension parameter fades sounds to the front or rearof the listener.12 3 4