| 基于SPI协议的音频流解码系统的研究与设计 |
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| 引用本文： | 徐博,郭秋敏. 基于SPI协议的音频流解码系统的研究与设计[J]. 工矿自动化, 2011, 37(1): 44-49 |
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| 作者姓名： | 徐博 郭秋敏 |
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| 作者单位： | 煤炭科学研究总院常州自动化研究院,江苏,常州,213015 |
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| 摘 要： | 介绍了SPI通信协议,提出了一种采用ARM控制器LPC2368与VS1003语音处理芯片的音频流解码系统的设计方案,详细介绍了系统架构、SCI与SDI传输原理以及系统软件关键代码的设计。通过初始化调试与正弦波测试,该系统能够较好地实现音频模拟信号的播放功能。
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| 关 键 词： | 音频流解码 数据传输 SPI协议 LPC2368 VS1003 SCI传输 SDI传输 |
Research of Audio Codec System Based on SPI Protocol and Its Design |
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| XU Bo,GUO Qiu-min. Research of Audio Codec System Based on SPI Protocol and Its Design[J]. Industry and Automation, 2011, 37(1): 44-49 |
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| Authors: | XU Bo GUO Qiu-min |
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| Affiliation: | (Changzhou Automation Research Institute of CCRI.,Changhzou 213015,China) |
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| Abstract: | The paper introduced SPI communication protocol,proposed a design scheme of audio-stream decoding system by use of ARM-controller LPC2368 and voice-processing chip VS1003,and described structure,transmission theories of SCI and SDI of the system and design of key codes of the system's software in details.The system can realize playing function of audio-analog signals perfectly by initialization debugging and sine-wave testing. |
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| Keywords: | LPC2368 VS1003 |
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