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
- 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 R2.05:
Realtek HD Audio Driver support all of Realtek HD Audio Codec in Vista/WinXP/Win2000/Win2003 .
1. Vista WHQL Supporting: ALC882, ALC883, ALC885, ALC888, ALC889, ALC861VD, ALC660, ALC662, ALC663, ALC260, ALC262,ALC267, ALC268, ALC269, ALC272, ALC273, ALC887
2. Windows 2000/XP WHQL Supporting: ALC880, ALC882, ALC883, ALC885, ALC888, ALC889, ALC861VC, ALC861VD, ALC660, ALC662, ALC663, ALC260, ALC262, ALC267,ALC268, ALC269, ALC272, ALC273, ALC887
3. HDMI Device WHQL Support: ATI HDMI Devices
4. OS Supporting: Microsoft WindowsXP, Widnows2000, Vista x86/x64
5. Pack with Microsoft High Definition Audio UAAV1.0a(5013)
6. Add/Fix
1.) Driver :
1. Customizations.
2. Meet Microsoft OEM Ready program requirements.
2.) Package :
1. Meet Microsoft OEM Ready program requirements.