Realtek PDF datasheets for ALC887

The ALC887-VD is a 7.1 Channel High Definition Audio Codec with two independent SPDIF outputs. Featuring eight DAC channels that simultaneously support 7.1 sound playback, and integrate two stereo ADCs that can support a stereo microphone, and feature Acoustic Echo Cancellation (AEC), Beam Forming (BF), and Noise Suppression (NS) for voice applications.

The ALC887-VD supports 16/20/24-bit SPDIF input and output functions with sampling rate of up to 192kHz, offering easy connection of PCs to high quality consumer electronic products such as digital decoders and Minidisk devices. In addition to the standard (primary) SPDIF output function, the ALC887-VD features another independent (secondary) SPDIF-OUT output and converters that transport digital audio output to a High Definition Media Interface (HDMI) transmitter (becoming more common in high-end PCs).

All analog I/O are input and output capable, and headphone amplifiers are also integrated at three analog output ports (port-D/E/F). All analog I/Os can be re-tasked according to user’s definitions.

The ALC887-VD supports host audio controller from the Intel ICH series chipset, and also from any other HDA compatible audio controller. With EAX/Direct Sound 3D/I3DL2 compatibility, and excellent software utilities like environment sound emulation, multiple-band software equalizer and dynamic range control, optional Dolby Digital Live, DTS CONNECT , and Dolby Home Theater programs, the ALC887-VD provides an excellent home entertainment package and game experience for PC users.

The ALC887-VD is an upgraded version of the ALC887 that meets the current WLP3.1x (Windows Logo Program) and future WLP requirements. The ALC887-VD also conforms to Intel’s Audio Codec low power state white paper and is ECR compliant.