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2011•jOURNAL OF southwest University for NationalitiesRequires access

The Design of Audio Signal Collecting and Processing System Based on DSP

Zhou Hong-ou

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Abstract

This paper studies the audio signal processing system based on DSP,then analyzes the structural characters of TI Company's signal processing machine TMS320VC5402 and audio-simulated chip TLV320AIC23(referred as AIC23 in followings),and illustrates hardware connections of multi-channel buffer serial ports between TMS320VC5402 and AIC23.After this,it runs MATLAB simulation on filter projection and gives the related design of software for DSP,and finally forms a complete digital audio-signal processing system which could realizes the collection,filter and replay for the stimulated audio signal.

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What this paper is about

This paper studies the audio signal processing system based on DSP,then analyzes the structural characters of TI Company's signal processing machine TMS320VC5402 and audio-simulated chip TLV320AIC23(referred as AIC23 in followings),and illustrates hardware connections of multi-channel buffer serial ports between TMS320VC5402 and AIC23.After this,it runs MATLAB simulation on filter projection and gives the related design of software for DSP,and finally forms a complete digital audio-signal processing system which could realizes the collection,filter and replay for the stimulated audio signal.

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Available abstract

This paper studies the audio signal processing system based on DSP,then analyzes the structural characters of TI Company's signal processing machine TMS320VC5402 and audio-simulated chip TLV320AIC23(referred as AIC23 in followings),and illustrates hardware connections of multi-channel buffer serial ports between TMS320VC5402 and AIC23.After this,it runs MATLAB simulation on filter projection and gives the related design of software for DSP,and finally forms a complete digital audio-signal processing system which could realizes the collection,filter and replay for the stimulated audio signal.

Key concepts: Digital signal processing, Computer science, Audio signal processing, Audio signal flow, Digital audio, Computer hardware, Audio signal, Signal processing

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