节点文献
基于TMS320C5416芯片的低时延G.729A声码器的研制
Development of G.729A Vocoder of Short Delay Based on TMS320C5416 Chip
【摘要】 简要介绍了G.729A声码器的编解码算法和定点数字信号处理芯片TMS320C5416,给出了基于TMS320C5416芯片实现低时延的G.729A声码器的硬件和软件设计,并对软件设计过程中应该注意的若干问题进行了分析和总结,最后给出了实时实现的测试结果。
【Abstract】 The coding and decoding algorithm of G.729A vocoder and the TMS320C5416 fixed point DSP (Digital Signal Processing) chip are described briefly. Design of hardware and software of short delay G.729A vocoder based on TMS320C5416 is given. Some key techniques and problems in software design process that should be noticed analyzed and summarized are. The test results of real time implementationed are presented in the end.
【关键词】 声码器;
G.729A;
语音编码;
DSP;
TMS320C5416;
【Key words】 vocoder; G.729A; speech coding; DSP; TMS320C5416;
【Key words】 vocoder; G.729A; speech coding; DSP; TMS320C5416;
【基金】 广西科学研究与技术开发计划资助项目(桂科攻033001021);广西“新世纪十百千人才工程”专项资金资助(2002222)。
- 【文献出处】 电子工程师 ,Electronic Engineer , 编辑部邮箱 ,2005年06期
- 【分类号】TN912.3
- 【下载频次】117