| 声纹鉴定中的音强特征研究 |
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| 引用本文： | 王英利,潘自勤,蓝常山.声纹鉴定中的音强特征研究[J].中国司法鉴定,2011(5):19-22. |
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| 作者姓名： | 王英利 潘自勤 蓝常山 |
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| 作者单位： | 1. 广东省公安厅刑事技术中心,广东广州,510050
2. 西南政法大学司法鉴定中心重庆高校物证技术工程研究中心,重庆,401120 |
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| 摘 要： | 目的 确定声纹鉴定中的音强特征的应用价值.方法 将10名条件相近、普通话较标准的男性发音人的语音样本输入VS-99型语音工作站,分别对每个人所发的相同音节韵母的宽带声纹图谱进行分析比对.结果 不同人发出的相同音节,其音强分布一般不同,有时还会出现明显的差异,主要表现在韵母总体音强按频率分布状态、韵母总体音强按时间分布状...
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| 关 键 词： | 声纹鉴定 音强 特征 共振峰 分布状态 |
Study of Intensity Features in Voice Identification |
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| WANG Ying-li
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PAN Zi-qin
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LAN Chang-shan.Study of Intensity Features in Voice Identification[J].Chinese Journal of Forensic Sciences,2011(5):19-22. |
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| Authors: | WANG Ying-li PAN Zi-qin LAN Chang-shan |
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| Institution: | WANG Ying-li1,PAN Zi-qin2,LAN Chang-shan1(1.Forensic Science and Technology Center,Guangdong Provincial Public Security Bureau,Guangzhou 510050,China,2.Southwest University of Political Science and Law,Chongqing Universities Forensic Science lenter,Chongqing 410120,China) |
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| Abstract: | Objective To investigate the intensity features in voice identification.Methods Speech samples are collected from 10 male speakers who have similar physical conditions and relative standard voices and tones of Mandarin Chinese.All samples are input into VS-99 phonetics workstation,and the broadband spectrogram of the same syllable of every speaker are compared and analyzed.Results The intensities of the same syllable pronounced by different speakers are usually different and even quite distinct in some case... |
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| Keywords: | voice identification intensity feature formant distribution |
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