Formant弁別に関する研究
スポンサーリンク
概要
- 論文の詳細を見る
The aim of the present study was to investigate the mechanism of central frequency dis-crimination of a single formant. In the first part of the experiment, difference limen of central frequency (FDL) was measured using various types of complex sounds which were obtaine from white noise or pulse tones through a single formant circuit (an active filter). In the second part, the effect of the change in the band width of the circuit was examined. As a result, it was found that FDL was better for the sounds obtained from pulse tones of low frequency than for those from high frequency pulse or white noise. The effect of the change in the band width of the circuit was found to be unremarkable and there was a con-siderable individual variation. It was assumed from the present study that the function of so-called critical band played an important role in perception of acoustic characteristics within the range near the central frequency of a single formant. A supplemental role of information from the marginal portion of the basal membrane of of the cochlea was discussed.
- 社団法人 日本耳鼻咽喉科学会の論文