The ALC882 series 7.1 2 Channel High Definition Audio codecs with UAA (Universal Audio Architecture), featuring five 24-bit stereo DACs and three 20-bit stereo ADCs, are designed for high performance multimedia PC systems. The ALC882 series incorporates proprietary converter technology to achieve over 100dB Signal-to-Noise ratio playback quality; easily meeting PC2001 requirements and also bringing PC sound quality closer to consumer electronic devices.

The ALC882 series provide 10 channels of DAC that simultaneously support 7.1 sound playback, plus 2 channels of independent stereo sound output (multiple streaming) through the Front-Out-Left and Front-Out-Right channels. Flexible mixing, mute, and fine gain control functions provide a complete integrated audio solution for next generation multimedia PCs.

The DACs (with a highest sampling frequency of 192kHz) and Realtek proprietary hardware content protection are applicable for DVD-Audio, previously only implemented in high-end consumer electronics, and now achieved by PCs with the ALC882 series inside. The ALC882 series also integrate three stereo ADCs that can support a microphone array with Acoustic Echo Cancellation (AEC), Beam Forming (BF), and Noise Suppression (NS) technology simultaneously, significantly improving recording quality for conference calls. With this feature (3 stereo ADCs), the ALC882 series can provide high-quality audio using S/PDIF to output analog data, or for multiple-source recording applications. All analog IO are input and output capable, and headphone amplifiers are also integrated at each analog output. All analog IOs can be re-tasked according to user's definitions, or automatically switched depending on the connected device type.

The ALC882 series support 16/20/24/32-bit S/PDIF input and output functions for both consumer mode and professional mode, offering easy connection of PCs to high quality consumer electronic products such as AC-3 decoders/speakers, and mini disk devices. The ALC882 series supports host/soft audio from the Intel ICH6/ICH7 chipset, and also from any other HDA compatible audio controller. With EAX/Direct Sound 3D/I3DL2/A3D compatibility, and excellent software utilities like Karaoke mode, environment emulation, software equalizer, HRTF 3D positional audio, and optional Dolby Digital Live and Master Studio program, the ALC882 series provides an excellent entertainment package and game experience for PC users.

Features:
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

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