日本語音声の零交叉波時系列 : I.測定方法および母音

概要

論文の詳細を見る
Zero crossing intervals of Japanese monosyllables were measured within accuracy of 25μs, and their time series which contained all informations of clipped speech were represented. Each voice is differenciated before clipping, and the clipped level is set just above noise level. By these operations the articulation of clipped speech will be improved. The time series shows the difference between the clipped speech and the sonagram, and was assumed useful in study of the character of clipped speech, the cause of confusion, synthesis and recognition of voices. Especially, the clipped speech emphasizes the most important parts of voices, and catches up with any rapid variation like turbulent sounds. For example, the time series represent the positions and transition of the hubs or formants of turbulent and unturbulent sounds, and, to some extent, resemble with their sonagrams but they are generally simplified. This article shows the method of measurement, some parts of time series of Japanese vowels and their distributions of zero crossing intervals which have only one or two dominant peaks. And the constructive patterns and their movement of each period of vowels are made clear. In following articles the time series of all Japanese consonants will be represented.
社団法人日本音響学会の論文
1961-06-30