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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 ~ +42dB) 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
Kaynak: FoRuMeXe.CoM http://www.forumexe.com/frm/showthread.php?t=29787
• 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

Changes in Driver Package R2.41:
Realtek HD Audio Driver support all of Realtek HD Audio Codec.
1. Vista/Windows 7 WHQL Supporting: ALC882 ALC883 ALC885 ALC888 ALC889 ALC892 ALC861VD ALC660 ALC662 ALC663 ALC665 ALC260 ALC262ALC267 ALC268 ALC269 ALC270 ALC272 ALC273 ALC887ALC670 ALC275 ALC680
2. Windows 2000/XP WHQL Supporting: ALC880 ALC882 ALC883 ALC885 ALC888 ALC889 ALC892 ALC861VC ALC861VD ALC660 ALC662 ALC663 ALC665 ALC260 ALC262 ALC267ALC268 ALC269 ALC270 ALC272 ALC273 ALC887ALC670 ALC275 ALC680
3. HDMI Device WHQL Support: ATI HDMI Devices
4. OS Supporting: Microsoft WindowsXP Widnows2000 Windows Server 2003 Vista Windows Server 2008 Windows7 - x86/x64
5. Pack with Microsoft High Definition Audio UAAV1.0a(5013)
6. Add/Fix
1.) Driver :
1. Customizations.

Download Driver for Windows 7/ Vista (32/64 bits)