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Design of Digital Audio Processing System based on SOPC Technology

Zhu Jing

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Abstract

In this paper,a design scheme of embedded digital audio processing system based on an audio codec chip TLV320AIC23 and SOPC technology is given.By configuring Nios Ⅱ soft core CPU,I2C configuration module of TLV320AIC23,audio processing module and some related interfaces module on a Cyclone Ⅱ FPGA form Altera Company,the hardware platform of the system is constructed,and design software of integrated development environment Nios Ⅱ IDE is applied to controlling the whole system.The experiment result indicates that the system could realize high-speed acquisition,storage and playback of digital audio data.

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What this paper is about

In this paper,a design scheme of embedded digital audio processing system based on an audio codec chip TLV320AIC23 and SOPC technology is given.By configuring Nios Ⅱ soft core CPU,I2C configuration module of TLV320AIC23,audio processing module and some related interfaces module on a Cyclone Ⅱ FPGA form Altera Company,the hardware platform of the system is constructed,and design software of integrated development environment Nios Ⅱ IDE is applied to controlling the whole system.The experiment result indicates that the system could realize high-speed acquisition,storage and playback of digital audio data.

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Available abstract

In this paper,a design scheme of embedded digital audio processing system based on an audio codec chip TLV320AIC23 and SOPC technology is given.By configuring Nios Ⅱ soft core CPU,I2C configuration module of TLV320AIC23,audio processing module and some related interfaces module on a Cyclone Ⅱ FPGA form Altera Company,the hardware platform of the system is constructed,and design software of integrated development environment Nios Ⅱ IDE is applied to controlling the whole system.The experiment result indicates that the system could realize high-speed acquisition,storage and playback of digital audio data.

Key concepts: Computer science, Codec, Nios II, Embedded system, Field-programmable gate array, Digital audio, Computer hardware, Audio over Ethernet

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