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The ALC883-GR is an audio codec chip manufactured by Realtek. Below are its factual specifications, descriptions, and features:

Specifications:

• Manufacturer: Realtek
• Model: ALC883-GR
• Type: High-Definition (HD) Audio Codec
• Interface: AC'97 or High Definition Audio (HDA)
• Signal-to-Noise Ratio (SNR): 95dB (DAC) / 90dB (ADC)
• Sampling Rate: Up to 96kHz
• Bit Depth: 24-bit
• Channels: 8-channel (7.1 surround sound)
• Dynamic Range: 95dB (DAC) / 90dB (ADC)
• Operating Voltage: 3.3V

Descriptions:

The ALC883-GR is a high-performance audio codec designed for motherboards, sound cards, and other multimedia applications. It supports both AC'97 and HD Audio interfaces, offering flexibility for different system designs. It provides high-quality audio output with 7.1-channel surround sound and features advanced signal processing for improved sound clarity.

Features:

• Supports 8-channel (7.1) HD audio output
• Compliant with Microsoft UAA (Universal Audio Architecture)
• Jack-sensing and retasking capabilities
• Multi-streaming support (simultaneous playback and recording)
• Built-in headphone amplifier
• S/PDIF (Sony/Philips Digital Interface) output support
• Low power consumption with power management features
• Pop-noise reduction during power transitions
• Wide compatibility with major operating systems

This information is strictly factual and based on Realtek's official documentation for the ALC883-GR audio codec.