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- W2393536675 abstract "OBJECTIVE To compare the acoustic parameters of the electronic and mechanical artificial larynx in alaryngeal patients. METHODS There were 28 alaryngeal patients using electronic artificial larynx and 30 alaryngeal patients using mechanical artificial larynx. The acoustic parameters were determined when the patients were pronounced vowel /a/. Twenty four subjects without laryngeal diseases were chose as control group. RESULTS There were no significant difference in acoustic parameters between the electronic artificial larynx group and mechanical artificial larynx group(P0.05). There were no significant differences in sound, maximum sound intensity, breath sessions, base frequency and amplitude between the patients using artificial larynx and control group, but there were significant difference in fundamental frequency perturbation, amplitude perturbation, standardized noise energy and harmonious noise ratio(P 0.05). CONCLUSION Acoustic characteristics of the electronic larynx are similar with mechanical larynx, but are different with healthy group. The tone, timbre, and quality of the sound of the mechanical larynx are superior to electronic larynx." @default.
- W2393536675 created "2016-06-24" @default.
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- W2393536675 date "2009-01-01" @default.
- W2393536675 modified "2023-09-23" @default.
- W2393536675 title "Acoustic parameters of the electronic and mechanical artificial larynx in alaryngeal patients" @default.
- W2393536675 hasPublicationYear "2009" @default.
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