Toward the quantification of vocal efficiency |
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Authors: | David M Howard Geoffrey A Lindsey Bridget Allen |
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Abstract: | Quantifiable aspects of vocal fold vibration may be inferred by means of the electrolaryngograph. Changes in inferred vocal fold closed quotient are considered as a possible correlate of acoustic efficiency variation; automatic measures of closed quotient compare favorably with results obtained from inverse filtering of the speech pressure waveform. This article describes closed quotient measures based on electrolaryngographic analysis of 18 trained and untrained men singers, and results show a significant difference in mean vocal fold closed quotient between trained and untrained singers. |
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Keywords: | Singing Larynx Glottis Acoustic analysis EGG Electrolaryngography |
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