Abstract
The fundamental frequency of speech sounds is usually measured acoustically with a piano. A new method has been developed using an FFT narrow band frequency analyser and microcomputer which can measure them more precisely.
The result of analysis was showed by pitch name through convert into temperament. The authors purpose that the mode regards as fundamental frequency of speech sounds and 90% range of the frequency distribution regards as range of speech. Because these parameters could be shown as a pattern, the characteristics of the speaking voice could also be demonstrated.