| 基于内容的音频检索系统的前端抗噪技术 |
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| 引用本文： | 陈正宇,张燕,郑玮.基于内容的音频检索系统的前端抗噪技术[J].国外电子元器件,2009(12):60-61. |
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| 作者姓名： | 陈正宇 张燕 郑玮 |
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| 作者单位： | 金陵科技学院信息技术学院; |
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| 基金项目： | 江苏省现代教育技术“十一五”规划2007年滚动课题(2007-R-4704) |
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| 摘 要： | 基于内容的音频检索具有较高的实用价值，将安静环境下训练的模型应用于实际有背景噪声的环境中。分析各种语音增强技术，并通过性能对比，选取谱减法作为系统前端抗噪技术，给出一个将音频增强和音频检索系统级联组成的抗噪声音频检索系统．并给出适合系统使用的谱减法的改进算法。
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| 关 键 词： | 基于内容的检索 音频 语音增强 谱减法 |
Noise-robust technology for content-based audio retrieval system |
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| CHEN Zheng-yu,ZHANG Yan,ZHENG Wei.Noise-robust technology for content-based audio retrieval system[J].International Electronic Elements,2009(12):60-61. |
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| Authors: | CHEN Zheng-yu ZHANG Yan ZHENG Wei |
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| Affiliation: | CHEN Zheng-yu,ZHANG Yan,ZHENG Wei(School of Information Technology,Jinling Institute of Technology,Nanjing 210001,China) |
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| Abstract: | Content-based audio retrieval has high practical value.Under normal circumstances,the model parameter trained in the quiet environment is applied to environment which actually has background noise in retrieval system.This paper analyzes a variety of speech enhancement technology,and compares their performance,selects the spectral subtraction as noise-robust technology.A noise-robust audio retrieval system is given by linking audio retrieval system with an audio enhancement system,improved spectral subtracti... |
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| Keywords: | content-based retrieval audio speech enhancement spectral subtraction |
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