Computer aided evaluation of phonetograms.
Computer Methods and Programs in Biomedicine (1992)
- PubMed: 1643854
Available from www.ncbi.nlm.nih.gov
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Abstract
The phonetogram represents an area limited by piano and forte contours of the sound pressure levels along the vocal range. Phonetograms are used in the diagnosis of voice status. Apart from reference phonetograms and the extraction of single parameters, phonetograms have not been evaluated quantitatively in medical practice. The present computer program divided the phonetogram into subareas which were approximated by simple patterns (ellipses). The ellipse parameters were used to evaluate voice efficiency, to recognize voice categories, and to derive diagnostic comments.
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