Visualization of change of sound characteristics on the level of the vocal cords
Author(s) -
R. Lüchsinger
Publication year - 1973
Publication title -
south african journal of communication disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.296
H-Index - 11
eISSN - 2225-4765
pISSN - 0379-8046
DOI - 10.4102/sajcd.v20i1.406
Subject(s) - stroboscope , closing (real estate) , acoustics , vibration , computer science , visualization , sound (geography) , physics , optics , artificial intelligence , political science , law
The construction is reported of an apparatus for producing short stroboscopic films, employing a new phase-shifting device. This apparatus provides the clinician with a reliable record of the mode of vibration of the vocal cords (in both the opening and closing phases) alongside a tape-recording of the voice. This makes it possible to correlate recordings of the frequency and intensity and transitions of the voice with a series of stroboscopic investigations.
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