alc888-vc2-gr Realtek Semiconductor Corporation, alc888-vc2-gr Datasheet - Page 9

• Manufacturer Part Number: alc888-vc2-gr
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

ALC888
Datasheet
1.
General Description
The ALC888 audio codecs are high-performance 7.1+2 Channel High Definition audio codecs providing
ten DAC channels that simultaneously support 7.1 sound playback, plus 2 channels of independent stereo
sound output (multiple streaming) through the front panel stereo outputs. The ALC888 integrates two
stereo ADCs that can support a stereo microphone, and feature Acoustic Echo Cancellation (AEC), Beam
Forming (BF), and Noise Suppression (NS) technology.
The ALC888 audio codecs incorporates Realtek proprietary converter technology to achieve good
playback and recording quality, and meets the latest WLP3.10 (Windows Logo Program) requirements.
The ALC888-VC meets requirements in the future Windows Logo Program (WLP), which will be
effective from 01 June 2008. The ALC888-VC conforms to Intel’s Audio Codec low power state white
paper and is ECR compliant. The enhanced functions and new features are listed in section 2.2
ALC888-VC-GR Specific Features, page 3.
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/DPIF input and output functions with sampling rate of up to 192kHz, offers
easy connection of PCs to high-quality consumer electronic products such as digital decoders and mini
disk device.
The ALC888 audio codecs support host audio controller 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 environment sound emulation, multiple bands of software equalizer and
®
®
®
dynamic range control, optional Dolby
Digital Live, DTS
CONNECT™, and Dolby
Home Theater
programs, the ALC888 audio codecs provides an excellent home entertainment package and game
experience for PC users.
Note: ALC888 model differences are listed in section 12 Ordering Information, page 72.
7.1+2 Channel High Definition Audio Codec
1
Track ID: JATR-1076-21
Rev. 1.4