语音信号中的脉冲激励源

IF 0.9 4区 物理与天体物理 Q4 ACOUSTICS
V. N. Sorokin
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引用次数: 0

摘要

本文利用39位单位数和多位数说话者的数据库,在电话听筒和定向麦克风上并行记录信号,研究了封闭语音爆发的特性。语音突发由频谱时间不均匀性的短期和长期检测器检测,以及辅音突发频谱和当前语音突发频谱的特征函数之间的相似性测量检测器检测。在振幅谱和群延迟谱的空间中,根据高频和低频区域的能量之比估计浊音或浊音闭合存在的概率。back-lingual辅音的发音部位的影响持续时间的概率分布之间的间隔发作的破裂,元音的一次演讲中,峰值频率的最大振幅在高频区域,对能量的光谱区域之间的比例高、低频率的演讲破灭,也是衡量之间的相似性特征函数的辅音频谱、当前语音频谱。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Pulsed Excitation Source in a Speech Signal

Pulsed Excitation Source in a Speech Signal

The properties of a speech burst of closure are studied by using a database of 39 speakers with single-digit and multi-digit numerals and parallel recording of signals on a telephone handset and a directional microphone. A speech burst is detected by short-term and long-term detectors of spectral-temporal inhomogeneities and by a detector for the measure of similarity between the eigenfunctions of a consonant burst spectrum and a current speech burst spectrum. The probability for the presence of a voiced or voiceless closure is estimated in the spaces of an amplitude spectrum and a group delay spectrum from the ratio between the energies in the high- and low-frequency regions. The place of articulation for a back-lingual consonant influences the probability distribution for the duration of the interval between the onsets of a speech burst and a vowel, for the frequency of a peak with a maximum amplitude in the high-frequency region, for the ratio between the energies in the spectral regions of high and low frequencies of a speech burst, and also for the measure of similarity between the eigenfunctions of a consonant burst spectrum and a current speech burst spectrum.

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来源期刊
Acoustical Physics
Acoustical Physics 物理-声学
CiteScore
1.60
自引率
50.00%
发文量
58
审稿时长
3.5 months
期刊介绍: Acoustical Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It covers theoretical and experimental aspects of basic and applied acoustics: classical problems of linear acoustics and wave theory; nonlinear acoustics; physical acoustics; ocean acoustics and hydroacoustics; atmospheric and aeroacoustics; acoustics of structurally inhomogeneous solids; geological acoustics; acoustical ecology, noise and vibration; chamber acoustics, musical acoustics; acoustic signals processing, computer simulations; acoustics of living systems, biomedical acoustics; physical principles of engineering acoustics. The journal publishes critical reviews, original articles, short communications, and letters to the editor. It covers theoretical and experimental aspects of basic and applied acoustics. The journal welcomes manuscripts from all countries in the English or Russian language.
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