Datasheet > CMI-8738

CMI-8738

更新时间： 2024-11-15 03:26:03

品牌	Logo	应用领域
骅讯 - CMEDIA		PC
页数	文件大小	规格书
28页	499K
描述
C3DX PCI-Based HRTF 3D Extension Positional Audio Chip

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中文翻译

获取价格

数据手册

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CMI-8738 数据手册

Ver. 1.2

CMI-8738/PCI-SX AUDIO Specification

Preliminary

Ver 1.2

CMI-8738/PCI-SX

C3DX PCI-Based HRTF 3D Extension Positional Audio Chip

With high speed PCI V2.1 bus controller and legacy audio

SB16® DSPemulator,CMI8738 is designed for PC add-in cards

and all-in-one motherboards. No external CODEC is needed in

CMI8738: CMI-8738 supports the legacy audio – SB16™, FM

emulator/DLS wavetable music synthesis, and HRTF 3D

positional audio functions.

Features

HRTF-based 3D positional audio,

supporting DirectSound™ 3D and A3D™

interface

Supports rear side speakers, C3DX

positional audio in 4 CH speaker mode

Legacy audio SBPro™ compatible

DLS-based wavetable music synthesizer,

supports DirectMusic™

Being compatible with A3D™ and DirectSound™ 3D, CMI8738

meets PC99^®requirements

CMI8738 uses HRTF 3D extension technology to enhance

traditional HRTF 3D positional audio by substituting two-speaker

system by four- speaker one (it supports additional 2CH 16-bit

DAC to provide rear side audio). 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.

Built-in 32ohm Earphone buffer

Drivers support EAX™, Karaoke Echo, Key

Surround sound

MPU-401 port

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.

C-Media licensed HRTF 3D library from Central Research

Lab (CRL^®), U.K, who provides one of the world's best HRTF

libraries

Dual game port

16-bit full duplex CODEC

4 CH 16-bit DAC

32-bit PCI bus master

External E²PROM interface

Single chip design, +5V, 128 pins QFP

CMI-8738/PCI Block Diagram

LINE

OUT

PCI interface

DMA engine

IRQ control

Earphone

buffer

MPU 401 and

GAME port

Legacy audio

16-bit CODEC

Analog Mixer

Rear

L/R

SB16™emulator

Surround

14.318Mhz

MIC IN

PLL and

Music Synthesizer

HRTF DSP engine

MIC AMP

timing circuit

LINE / CD /

AUX / PCPSK

C-MEDIA ELECTRONICS INC. Tel:886-2-87731100 Fax:886-2-87732211 URL : www.cmedia.com.tw

Products and company names mentioned here are the trademarks of their respective owners.

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与CMI-8738相关器件

型号	品牌	获取价格	描述	数据表
CMI8738-MX	CMEDIA	获取价格	PCI-6CH C3DX series /PCI-Based HRTF 3D Extension Positional Audio Chip
CMI8768	CMEDIA	获取价格	PCI 8CH Integrated Sound Chip
CMI8768+	CMEDIA	获取价格	PCI 8CH Integrated Sound Chip
CMI8786	CMEDIA	获取价格	High Performance PCI Audio Processor
CMI8787	CMEDIA	获取价格	High Performance PCI Audio Processor
CMI8788	CMEDIA	获取价格	High Performance PCI Audio Processor
CMI8788_17	CK-COMPONENTS	获取价格	High Performance PCI Audio Processor
CMI-9605-0580T	CUI	获取价格	MAGNETIC BUZZER INDICATOR
CMI-9605-1280T	CUI	获取价格	MAGNETIC BUZZER INDICATOR
CMI-9653S-SMT-TR	CUI	获取价格	AUDIO MAGNETIC IND 2-5V SMD

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