The AD1884 audio CODEC provides superior High Definition audio quality that exceeds Vista Premium performance for notebooks. There are four 192kHz DACs, four 192kHz ADS, SP/DIF output, Digital Beep and PCBeep. These features make the AD1884 the right choice for premium notebook PCs and low-cost desktops that meet Vista Basic. * Supports multi-streaming on playback and record * Analog mixer supports recording and playback of signals from multiple analog input sources * Improved VOIP and speech recognition experience with microphone noise reduction, beam forming, and echo cancellation technologies * 90 dB audio outputs, 85 dB audio inputs