Nexus S Settings WM8994 Settings ( voodoo ) Color Multipliers Tuning Calibrate multipliers screen color Color Gamma Tuning Calibrate gamma color correction Red Green Blue Sound Internal Speaker Configuration Signal Processing Headphone Amplifier Codec Optimization Digital/Analog Converter Settings Analog Path Configuration Microphone Settings Sound Settings Sound Settings Advanced control of the WM8994 sound processor hardware Enable WM8994 Control Enable advanced controls for the WM8994 sound processor hardware Tune speaker for music Reconfigures the hardware EQ to get more bass and balanced sound Mono downmix Downmix stereo sound to mono (for stereo outputs, such as headphones) Stereo expansion "Expand" stereo sound via digital signal processing D/AC direct Access digital/analog converter directly, bypassing the channel mixer. Produces cleaner audio (lower signal-to-noise ratio) Hi-fi playback Digital-to-analog converter 128x oversampling -- cleaner sound when playing music Hi-fi recording Analog-to-digital converter 128x oversampling -- increases quality of recordings Tuned audio clock Use tuned WM8994 audio clock source -- improves quality of sound Touch Keys Backlight Timeout Adjust the delay before the touch key backlight automatically turns off Blink Timeout Adjust the delay before the touch key blink backlight automatically turns off after a notification Radio HSPA Enable HSDPA/HSUPA