Microprocessor-Based Speech Processing System Durational measurements of frication, aspiration, prevoicing, and voice onset are often difficult to perform from the spectrogram, and the resolution is limited to about 5 ms. In many instances, a higher resolution can be obtained from a study of waveforms than from a study of spectrum. We present a microprocessor-based ... Research Note
Research Note  |   June 01, 1984
Microprocessor-Based Speech Processing System
 
Author Affiliations & Notes
  • B. J. Guillemi
    University of Auckland, New Zealand
  • D. T. Nguyen
    University of Auckland, New Zealand
Article Information
Research Notes
Research Note   |   June 01, 1984
Microprocessor-Based Speech Processing System
Journal of Speech, Language, and Hearing Research, June 1984, Vol. 27, 311-317. doi:10.1044/jshr.2702.311
History: Received November 29, 1982 , Accepted August 11, 1983
 
Journal of Speech, Language, and Hearing Research, June 1984, Vol. 27, 311-317. doi:10.1044/jshr.2702.311
History: Received November 29, 1982; Accepted August 11, 1983

Durational measurements of frication, aspiration, prevoicing, and voice onset are often difficult to perform from the spectrogram, and the resolution is limited to about 5 ms. In many instances, a higher resolution can be obtained from a study of waveforms than from a study of spectrum. We present a microprocessor-based speech acquisition and processing system which uses waveform analysis techniques to extract measurements from the acoustic signal. The system is low cost and portable; it operates in "real time" and employs noninvasive data-capturing techniques. The usefulness of the system is demonstrated in the VOT measurement of CV clusters and in the measurement of fundamental frequency.

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