| 远距离无中继有线语音通讯系统硬件设计 |
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| 引用本文： | 刘振安,杨鸣,徐菁. 远距离无中继有线语音通讯系统硬件设计[J]. 计算机技术与发展, 2001, 11(3) |
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| 作者姓名： | 刘振安 杨鸣 徐菁 |
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| 作者单位： | 中国科学技术大学自动化系, |
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| 摘 要： | 本文主要讨论了远距离无中继有线通讯系统的硬件设计思想。本通讯系统采用AMBE1000TM CODEC结合LSP1027语音PCM信号处理芯片进行语音信号的处理；同时，采用FX909A和FX429A传输数字化后的语音信号；在整体上，采用AT89C52单片处理器负责接口、各环节之间的数据通讯和必要的数据处理。
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| 关 键 词： | 远距离无中继 数字语音处理 速率匹配 |
Hardware Design for Long-Distance Digital Speech Communication System without Relay |
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| LIU Zhen-An,YANG Ming,XU Jing. Hardware Design for Long-Distance Digital Speech Communication System without Relay[J]. Computer Technology and Development, 2001, 11(3) |
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| Authors: | LIU Zhen-An YANG Ming XU Jing |
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| Abstract: | This paper is concerned with the hardware design of the long-distance digital speech communication system without relay. This system use AMBE1000(tm) codec chip combined with LSP1027 PCM processor for digital voice processing, FX909A and FX429A chip as modem, and AT89C52 single chip controller as central unit for data interface and communication. |
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