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- Title
SPECTRAL ANALYSIS OF FLUCTUATIONS IN SOUND ENERGY IN CERTAIN INSECTS AND HUMANS.
- Authors
Fischer, Roland; England, S. J. M.
- Abstract
Power density spectra of the fluctuations in sound energy are presented in stridulations emitted by Pterophylla Camellifolia. It is suggested that power spectra be used not only for insect identification and phiogenetic characterization, but also to define normal as well as pathological speech patterns including the tracing of possible genetic involvement of speech defects by analysis of the speech of siblings and parents of probands. Since temperature has been observed to affect the chirping rate of many species of Orthoptera, scholars recorded the temperature and relative humidity at the time of each recording session.
- Subjects
SPECTRUM analysis; SPEECH disorders; SOUND production by insects; POWER spectra; ORTHOPTERA; COMMUNICATIVE disorders
- Publication
Language & Speech, 1964, Vol 7, Issue 4, p243
- ISSN
0023-8309
- Publication type
Article
- DOI
10.1177/002383096400700406