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嵌入式VDR系统语音处理卡的研制
引用本文:费晓晔,唐晓松.嵌入式VDR系统语音处理卡的研制[J].交通部上海船舶运输科学研究所学报,2007,30(1):11-17,56.
作者姓名:费晓晔  唐晓松
作者单位:上海船舶运输科学研究所船舶控制事业部,上海200135
摘    要:语音处理卡是船舶航行数据记录仪(Voyage Data Recorder,简称VDR)中针对语音信号的一个子系统。研制时,在硬件方面,对基于AC48304C-C核心芯片的系统结构及其电路原理图进行了设计;软件方面,采用了面向对象的模块化设计,在VxWorks操作系统Tomado开发环境下运用C++语言编制了语音卡的功能程序。它实现了多路模拟语音的采集和压缩。

关 键 词:船舶工程  船舶航行数据记录仪  语音信号处理  数字信号处理  嵌入式系统
文章编号:1000-4696(2007)01-0011-07
收稿时间:2007-02-28
修稿时间:2007-02-28

Research & Development of Speech Sound Processing Card in Embedded VDR System
Authors:FEI Xiao-ye  TANG Xiao-song
Institution:Marine Control System Division, Shanghai Ship and Shipping Research Institute, Shanghai 200135, China
Abstract:The research and development of speech sound processing card is specially carried for a sub system of speech sound signals in VDR system.In regard to its hardware the system configuration and circuit principle diagram based on AC48304C-C chip are given in the paper and in software the OO modularization technique is adopted.The speech sound card function program is compiled with C++ language in Tomado development environment of VxWorks operating system.This card provides a solution for multi-channel speech sound processing.
Keywords:ship engineering  VDR  speech sound signal processing  digital signal processing(DSP)  embedded system
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