| 基于DSP双路音频信号实时处理系统设计 |
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| 引用本文： | 袁茹轩,尉乐,何天璐,高中山. 基于DSP双路音频信号实时处理系统设计[J]. 电子科技, 2011, 24(7): 24-26 |
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| 作者姓名： | 袁茹轩 尉乐 何天璐 高中山 |
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| 作者单位： | (西安电子科技大学 本科生创新实践基地,陕西 西安 710126) |
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| 摘 要： | 采用TMS320C5509A作为核心处理器,给出了一种利用DMA结合多通道缓冲串口McBSP组成的语音信号采集系统的实现方法。合理分配了数据缓冲空间,可靠稳定地实现数据的实时更新,完成双路立体声信号的实时采集、处理和发送。阐述了AIC芯片与DSP连接的配置和数据接口的设计方法,给出CODEC与DSP之间数据传输的程序示...
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| 关 键 词： | DSP DMA TLV320AIC23B 实时采集处理 缓冲更新 |
Design of the Double-channel Audio Signal Real-time Acquisition and Processing System Based on DSP |
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| YUAN Ruxuan,WEI Le,HE Tianlu,GAO Zhongshan. Design of the Double-channel Audio Signal Real-time Acquisition and Processing System Based on DSP[J]. Electronic Science and Technology, 2011, 24(7): 24-26 |
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| Authors: | YUAN Ruxuan WEI Le HE Tianlu GAO Zhongshan |
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| Affiliation: | (Undergraduate Innovation Practice Base,Xidian University,Xi'an 710071,China) |
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| Abstract: | This design scheme adopts TMS320C5509A as the core processor,giving a realization method for composing the speech signal acquisition system with DMA and McBSP,distributing data buffers reasonably and realizing real-time data updated reliably and steadily.Then the paper expounds in detail the design method of configuration and data interface which connects AIC23B with DSP.Finally,the paper provides a C language program example which introduces data transmission between them.Experimental results of data acqui... |
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| Keywords: | DSP DMA TLV320AIC23B real-time acquisition and processing buffer update |
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