Title :
Instantaneous-frequency distribution vs. time: An interpretation of the phase structure of speech
Author :
Friedman, David H.
Author_Institution :
The MITRE Corporation, Bedford, MA, USA
Abstract :
A new time-frequency display is constructed based on the phase of the running short-time Fourier transform, specifically the distribution of its time derivative. Typical results are given for speech, indicating more precise location of formants than is usual for the spectrogram.
Keywords :
Acoustic waves; Auditory system; Displays; Ear; Filters; Fourier transforms; Signal processing; Spectrogram; Speech; Time frequency analysis;
Conference_Titel :
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '85.
DOI :
10.1109/ICASSP.1985.1168461
