摘要
针对实时语音信号的处理和应用,提出了基于可编程DSP芯片和算法的实现方案。分析G.729A编码和解码算法的实现原理,构建TMS320VC5416处理器和TLV320AIC23语音芯片相结合的语音处理硬件平台。通过设计系统应用软件,配置McBSP连接和数据传输,控制音频信号转换处理,优化编写编解码算法程序。最后调试实现了音频信号采集、播放和语音数据编解码功能。实验结果表明该方法是有效和可行的。
Aiming at real-time speech signal processing and application, an implementation scheme based on DSP chip and algorithm is presented. The G. 729A encoding and decoding algorithm principles are analyzed, and a hardware platform of speech processing is constructed based on TMS320VC5416 processor and TLV320AIC23 audio codec. DSP application software is designed, McBSP connection and data transmission are configured, audio signal conversion processing is controlled, and G. 729A encoding and decoding algorithm programs are optimized. Through debugging , the speech signal sampling, play and encoding/decoding functions are realized. Experimental results show the validity and feasibility of the proposed method.
出处
《仪器仪表学报》
EI
CAS
CSCD
北大核心
2007年第10期1911-1915,共5页
Chinese Journal of Scientific Instrument
