| 语音频谱分析仪设计 |
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| 引用本文： | 茅正冲,赵姗姗,刘帅,刘小娟.语音频谱分析仪设计[J].微计算机信息,2010(10). |
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| 作者姓名： | 茅正冲 赵姗姗 刘帅 刘小娟 |
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| 作者单位： | 江南大学; |
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| 摘 要： | 语音频谱分析已经广泛应用到医疗、语音教学、语音编码、语音增强和语音识别等领域,并在这些领域发挥着非常重要的作用。这里介绍了语音信号频谱分析的原理及智能语音信号频谱分析仪的硬件结构和软件设计。语音信号频谱分析仪由32位ARM为主控制器,通过ARM自带的A/D转换接口,对语音信号进行采样,并以数组形式保存,然后通过FFT快速傅氏变换运算得到频谱,再通过高分辨率的液晶屏对语音信号的频谱进行实时显示。
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| 关 键 词： | 语音信号 频谱分析 快速傅里叶变换 |
Design of Voice Signal Spectrometer |
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| MAO Zheng-chong ZHAO Shan-shan LIU Shuai LIU Xiao-juan.Design of Voice Signal Spectrometer[J].Control & Automation,2010(10). |
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| Authors: | MAO Zheng-chong ZHAO Shan-shan LIU Shuai LIU Xiao-juan |
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| Affiliation: | MAO Zheng-chong ZHAO Shan-shan LIU Shuai LIU Xiao-juan(Jiangnan University,Wuxi 214122,China) |
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| Abstract: | The voice spectrum analysis has been widely applied to the fields of trcatment,pronunciation teaching,voice coding,voice quality enhancement,voice recognition,etc,and is playing an important role in these fields.The principles of the voice spectrum analysis and the hardware structure and software design of the intelligent voice signal spectrometer are introduced.The voice signal spectrometer,with a 32-bit ARM as its main controller,samples voice through the A/D interface attached to ARM,and saves them in th... |
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| Keywords: | Voice Signal Spectrum Analysis Fast Fourier Transform |
| 本文献已被 CNKI 等数据库收录！ |
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