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2009•Journal of tianjin University of TechnologyRequires access

Designing of the digital audio system on SOPC

Changfeng Fu

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Abstract

This paper designed an embedded digital audio recording and replaying system on SOPC technology,By configuring NiosII soft core CPU and some corresponding interface modules on a PFGA to construct an embedded system's hardware,and combining software programming to controlling audio IC TLV320AIC23 system realized A/D,D/A conversion,thus saving and replaying of audio signa1.Due to using the SOPC and DMA technology,the system had high design flexibility and good expansibility.

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What this paper is about

This paper designed an embedded digital audio recording and replaying system on SOPC technology,By configuring NiosII soft core CPU and some corresponding interface modules on a PFGA to construct an embedded system's hardware,and combining software programming to controlling audio IC TLV320AIC23 system realized A/D,D/A conversion,thus saving and replaying of audio signa1.Due to using the SOPC and DMA technology,the system had high design flexibility and good expansibility.

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Available abstract

This paper designed an embedded digital audio recording and replaying system on SOPC technology,By configuring NiosII soft core CPU and some corresponding interface modules on a PFGA to construct an embedded system's hardware,and combining software programming to controlling audio IC TLV320AIC23 system realized A/D,D/A conversion,thus saving and replaying of audio signa1.Due to using the SOPC and DMA technology,the system had high design flexibility and good expansibility.

Key concepts: Embedded system, Digital audio, Construct (python library), Computer science, Flexibility (engineering), Computer hardware, Interface (matter), Software

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