骅讯音频芯片 CMI8738-LX 采用LQFP-128封装

　　Description and Overview

　　With high speed PCI V2.1 bus controller and legacy audio SBPro®DSPemulator,CM18738 is designed for PC add-in cards and all-in-one motherboards. No external CODEC is needed in CMI8738: CM-8738supports the legacy audio -SBPRO™*,FM emulator /DLS wavetable music synthesis, and HRTF 3D positional audio functions. Drivers support EAX⑧, Karaoke Key, Echo......functions. Above all CMI8738 supports PCtel®HSP56 (1789) interface.

　　Being compatible with DirectSound™ 3D, CMI8738 meets PC99®requirements, and supports professional digital audio interface such as 16-bit SPDIF IN (0.5V - 5V)and OUT(44.1K and 48K format).

　　CMI8738uses HRTF 3D extension technology to enhance traditional HRTF3D positional audio by substituting two-speaker system by four or six - speaker one (it supports additional 2 ch 16-bit DAC to provide rear side audio and another 2 ch for subwoofer/Center). It greatly improves HRTF 3D positional audio quality and successfully removes the sweet spot limitations: users can enjoy genuine 3D audio gaming effects, and don't have to worry about the environmental confinement any more.

　　Being outstanding for its full audio functions, competitive price, and power management, CMI-8738 is the best choice for people seeking for optimum use of the PC applications.