| 基于黑匣子的多通道语音压缩编码实现 |
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| 引用本文： | 董晋,徐盛,胡剑凌,翟景升.基于黑匣子的多通道语音压缩编码实现[J].计算机应用与软件,2007,24(4):145-147,178. |
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| 作者姓名： | 董晋 徐盛 胡剑凌 翟景升 |
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| 作者单位： | 1. 上海中兴通讯网络事业部,上海,201203
2. 上海交通大学电子工程系,上海,200030 |
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| 摘 要： | 语音信号的数字化传输,一直是通信的热点之一,随着电子与计算机技术的不断发展,采用低速率语音编码技术进行语音传输已成为可能,并在铁路、电力、军事以及第三代移动通信系统等领域中得到广泛应用.提出了一个基于TI公司的定点DSP芯片TMS320C5416和ITU-T G723.1双速率语音编解码算法标准的多路语音实时记录系统的实现方案.在对算法标准C源代码深入分析的基础上,根据芯片性能特征对算法的实现进行了优化,并给出了最终结果.
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| 关 键 词： | ITU-T G723.1 语音编码 TMS320C5416 多通道语音压缩 黑匣子 多通道 语音压缩 编码实现 RECORDER SPEECH REAL TIME BASED DECODER ENCODER IMPLEMENTATION 结果 优化 算法标准 性能特征 分析 源代码 方案 实时记录系统 多路语音 |
| 修稿时间： | 2004-12-06 |
RESEARCH AND IMPLEMENTATION OF THE SPEECH ENCODER AND DECODER BASED ON THE REAL TIME SPEECH RECORDER |
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| Dong Jin,Xu Sheng,Hu Jianling,Di Jingsheng.RESEARCH AND IMPLEMENTATION OF THE SPEECH ENCODER AND DECODER BASED ON THE REAL TIME SPEECH RECORDER[J].Computer Applications and Software,2007,24(4):145-147,178. |
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| Authors: | Dong Jin Xu Sheng Hu Jianling Di Jingsheng |
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| Affiliation: | 1. Network Department, ZTE corportaion,Shanghai 201203, China; 2 . Departmend of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030, China |
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| Abstract: | With the development of electronics and computer technology,It's possible to transfer digital speech through network at low bit rate now.This can be used in many fields such as railway,electric power,military affairs and 3G applications.This paper introduces a real-time implementation of a multi-channels speech codec based on ITU-TG723.1 and TMS320VC5416 digital signal processor. |
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| Keywords: | ITU-T G723 1 Speech coding TMS320C5416 Multi-channel speech codec |
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