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基于SOPC的音乐播放系统 被引量：3

Music Player System Based on SOPC
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摘要 提出了一种基于NiosⅡ的音乐播放系统,主要实现通过对在SD卡存放的音频文件的读取操作,经过Avalon总线送至音频DAC电路播放音频文件。本设计基于SOPC技术,使用NiosⅡ软核处理器实现,包括软硬件设计两个主要部分。硬件部分主要负责对WM8731和SD卡的ip核编写及调试以使其能挂在总线上,使硬件实现其功能。软件部分主要负责对SD卡按其时序进行音频文件的读取操作。 A Nios II-based music playback system is proposed. The the audio files stored in the SD card are read and sent to the audio DAC circuit to play audio files through the Avalon bus. Based on the SOPC technology, hardware and software design are implemented using the NiosII soft-core processor. Hardware is mainly responsible for controlling the WM8731 and writing and debugging IP core in the the SD card so that it can be hung on the bus. Software is mainly responsible for reading audio files according to their sequential read operations of the SD card.
作者 朱艳菊 骆扬
机构地区 桂林电子科技大学通信与信息学院
出处 《电声技术》 2010年第7期34-36,40,共4页 Audio Engineering
关键词 SD卡 NIOS II AVALON总线 SD card NIOS II Avalon bus
分类号 TN710 [电子电信—电路与系统]
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共引文献2

同被引文献25

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电声技术
2010年 第7期

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