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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 |
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| FEI Xiao-ye,TANG Xiao-song. Research & Development of Speech Sound Processing Card in Embedded VDR System[J]. , 2007, 30(1): 11-17,56 | |
| Authors: | FEI Xiao-ye TANG Xiao-song |
| Affiliation: | 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 |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |