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http://www.realtek.com.tw/downloads/downloadsCheck.aspx?Langid=1&PNid=14&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false
INFORMATION :
Realtek High Definition Audio Driver - Realtek sound drivers for the new generation, designed for operating systems Windows 2000/XP/Vista and 7. The advantages of High Definition Audio specification before AC'97 include: full support for new audio formats, a high frequency bandwidth, support for connecting audio devices technology Plug and Play, more accurate speech recognition and input. Supports all HD codecs Realtek.
Features of Realtek High Definition Audio Driver:
High-performance DACs with 103dB SNR are ideal for Dolby Master Studio
ADCs with 90dBA SNR
Meets performance requirements for audio on PC2001 systems
10 DAC channels support 16/20/24-bit PCM format for 7.1 sound playback, plus 2 channels of independent stereo sound output (multiple streaming) through the - Front-Out-Left and Front-Out-Right channels
"3 stereo ADCs support 16/20-bit PCM format, two for microphone array, one for legacy mixer recording
All DACs support 44.1k/48k/96k/192kHz sample rate
All ADCs support 44.1k/48k/96kHz sample rate
Applicable for DVD-Audio solutions
16/20/24-bit S / PDIF-OUT supports 44.1k/48k/96k/192kHz sample rate
16/20/24-bit S / PDIF-IN supports 44.1k/48k/96k/192kHz sample rate
Up to four channels of microphone input are supported for AEC / BF application
High-quality analog differential CD input
Supports external PCBEEP input and built-in digital BEEP generator
Software selectable 2.5V/3.75V VREFOUT
Six VREFOUTs are supported by default, with additional four VREFOUTs available by sharing unused analog I / O pins
Two jack detection pins each designed to detect up to 4 jacks
Reserve analog mixer architecture for backward compatibility with AC'97
Wide range (-80dB ~ +42 dB) volume control with 1.5dB resolution of analog to analog mixer gain
All analog jacks are stereo input and output re-tasking for analog plug & play
Built-in headphone amplifiers for each re-tasking jack
Supports both analog DC volume control and GPI digital volume control
"2 GPIOs (General Purpose Input / Output) for customized applications
Optional EAPD (External Amplifier Power Down) is supported
Power support: Digital: 3.3V; Analog: 5.0V (Minimum AVDD is 3.6V)
Power management and enhanced power saving features
"48-pin LQFP lead (Pb)-free package
Meets Microsoft WHQL / WLP 2.0 audio requirements
EAX 1.0 & 2.0 compatible
Direct Sound 3D compatible
A3D compatible
I3DL2 compatible
HRTF 3D Positional Audio
Emulation of 26 sound environments to enhance gaming experience
"10 Software Equalizer Bands
Voice Cancellation and Key Shifting in Karaoke mode
Realtek Media Player
Enhanced Configuration Panel and device sensing wizard to improve user experience
Microphone Acoustic Echo Cancellation (AEC), Noise Suppression (NS) and Beam Forming (BF) technology for voice application
ALC882D features Dolby Digital Live output for consumer equipment
ALC882H features Dolby Home Theater software
ALC882M features Dolby Master Studio software
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