ALC888S 데이터 시트보기 (PDF) - Realtek Semiconductor

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ALC888S

7.1+2 CHANNEL HIGH DEFINITION AUDIO CODEC WITH TWO INDEPENDENT S/PDIF-OUT

Realtek Semiconductor 

ALC888S & ALC888SDD

Datasheet

1. General Description

The ALC888S, an advanced version of the ALC888, is a high-performance 7.1+2 Channel High

Definition Audio Codec that meets Microsoft Windows Vista (WLP 3.10) premium requirements. It

provides ten DAC channels that simultaneously support 7.1 sound playback, plus independent stereo

sound output (multiple streaming) through the front panel stereo outputs. The ALC888S integrates two

stereo ADCs that can support a stereo microphone, and feature Acoustic Echo Cancellation (AEC), Beam

Forming (BF), and Noise Suppression (NS) technology.

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.

Support for 16/20/24-bit S/PDIF input and output offers easy connection of PCs to high-quality consumer

electronic products such as digital decoders and speakers. The ALC888S incorporates Realtek proprietary

converter technology to achieve 97dB dynamic range playback quality and 90dB dynamic range

recording quality, and is designed for Windows Vista premium desktop and laptop systems.

The ALC888S features extra (secondary) S/PDIF-OUT outputs and converters that transport digital audio

output to a High Definition Media Interface (HDMI) transmitter (becoming more common in high-end

PCs).

The ALC888S supports host/soft audio from the Intel ICH series 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, DTS® CONNECT™, and Dolby® Home Theater programs, the

ALC888S provides an excellent home entertainment package and game experience for PC users.

7.1+2 Channel High Definition Audio Codec

1

w/Two Independent S/PDIF-OUT

Track ID: JATR-1076-21 Rev. 1.2

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