Vocal-tract length estimation
Vocal-tract length estimation
复制标题
声道长度估计
DOI：
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发表时间：
2013
期刊：
影响因子：
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通讯作者：
I. V. Geras’kin
中科院分区：
文献类型：
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作者：
V. Sorokin;I. V. Geras’kin
研究了两种估计相当于均匀声管长度的声道长度的方法。一种方法是根据相邻局部频谱最大值（超过 4 kHz）的频率之间的差异来计算束长度。另一种方法是根据由前三个共振峰的频率确定的第二共振峰的平均频率来计算声道长度。此外，无论上下文如何，并考虑到已知元音，都讨论了各种分析变体。通过两种方法正确识别说话人性别的概率约为13%，其值几乎与上下文知识无关。无论上下文如何，根据较高共振峰的差异正确识别男声和女声的概率分别为 31% 和 25.5%，考虑到这一点，正确识别男声和女声的概率分别为 37% 和 31%。如果根据第二共振峰的平均频率进行上下文无关的识别，则正确识别男声和女声的概率分别达到27%和21.5%；如果使用已知的元音类型进行上下文相关的识别，则正确识别的概率分别达到43%和35.5%。
Two methods for estimating the vocal-tract length equivalent to the homogeneous acoustic tube length are investigated. One method is based on calculating the tract length from the difference between the frequencies of the adjacent local spectral maxima, which exceed 4 kHz. In the other method, the vocal-tract length is calculated according to the average frequency of the second formant determined by the frequencies of first three formants. In addition, various variants of analysis are discussed irrespective of the context and with allowance for known vowels. The probability that the speaker gender is correctly recognized via two methods is about 13%, and its value is almost independent of the knowledge of the context. The probabilities that male and female voices are correctly recognized according to the difference of higher formants are, respectively, 31 and 25.5% regardless of the context and 37 and 31% with allowance for it. The probabilities of correct recognition of male and female voices reach to 27 and 21.5%, respectively, if context-independent recognition is performed from the average frequency of the second formant and 43 and 35.5% after context-dependent recognition with the known vowel type.
影响因子：
2.4
作者：
Fitch, WT;Giedd, J
通讯作者：
Giedd, J