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An Audio Acquisition and Release System Based on DSP

Fang Yuan

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Abstract

An audio signal processing system based on DSP is introduced.The system adopts TI's low power consumption DSP TMS320VC5509A as the main processor,and TLV320AIC23 as the audio codec chip.Therefore,the system's hardware platform and software design are completed based on them,which can be used as a universal platform for other audio signal processing.The paper expounds in detail the method of interface that connects codec chip with DSP.At last,it provides an example of data transmission based on DMA interruption,which upgrades procession speed largely.

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What this paper is about

An audio signal processing system based on DSP is introduced.The system adopts TI's low power consumption DSP TMS320VC5509A as the main processor,and TLV320AIC23 as the audio codec chip.Therefore,the system's hardware platform and software design are completed based on them,which can be used as a universal platform for other audio signal processing.The paper expounds in detail the method of interface that connects codec chip with DSP.At last,it provides an example of data transmission based on DMA interruption,which upgrades procession speed largely.

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Available abstract

An audio signal processing system based on DSP is introduced.The system adopts TI's low power consumption DSP TMS320VC5509A as the main processor,and TLV320AIC23 as the audio codec chip.Therefore,the system's hardware platform and software design are completed based on them,which can be used as a universal platform for other audio signal processing.The paper expounds in detail the method of interface that connects codec chip with DSP.At last,it provides an example of data transmission based on DMA interruption,which upgrades procession speed largely.

Key concepts: Computer science, Digital signal processing, Codec, Computer hardware, Embedded system, Interface (matter), Texas Instruments DaVinci, Audio electronics

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