嵌入式VDR系统语音处理卡的研制 |
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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. |
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作者姓名: | 费晓晔 唐晓松 |
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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 |
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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。
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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 |
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Authors: | FEI Xiao-ye TANG Xiao-song |
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Institution: | Marine Control System Division, Shanghai Ship and Shipping Research Institute, Shanghai 200135, China |
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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. |
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Keywords: | ship engineering VDR speech sound signal processing digital signal processing(DSP) embedded system |
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