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基于NIOS的ANN语音识别系统 被引量:3

ANN Speech Recognition System Implemented in NIOS
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摘要 现在嵌入式系统对语音识别的需求越来越清晰,比如移动通信设备和智能家居等。目前大多数实用语音识别系统都要求强大的CPU计算能力,为了平衡嵌入式系统计算能力的不足,采用SOPC思想,在Altera公司的NIOS软核上用软件实现系统程序流程控制,在FPGA上用硬件实现高强度的数学计算。这种语音识别系统的效率相比纯软件实现的系统有较大提升,比较适合在嵌入式系统中推广。把FFT在FPGA上以硬件实现,流程控制和模式匹配则采用软件完成。实验结果证明此软硬结合的思路有理想的效果。
作者 罗希 刘锦高
出处 《计算机系统应用》 2009年第12期144-146,165,共4页 Computer Systems & Applications
基金 上海市科委重点攻关项目(075115002)
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参考文献2

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同被引文献16

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