Phonovibrographic wavegrams: visualizing vocal fold kinematics.
Identifieur interne : 000500 ( Main/Exploration ); précédent : 000499; suivant : 000501Phonovibrographic wavegrams: visualizing vocal fold kinematics.
Auteurs : Jakob Unger [Allemagne] ; Tobias Meyer ; Christian T. Herbst ; W Tecumseh S. Fitch ; Michael Döllinger ; Jörg LohschellerSource :
- The Journal of the Acoustical Society of America [ 1520-8524 ] ; 2013.
English descriptors
- KwdEn :
- Adult, Biomechanical Phenomena, Case-Control Studies, Dysphonia (physiopathology), Female, Humans, Image Interpretation, Computer-Assisted, Laryngeal Diseases (diagnosis), Laryngeal Diseases (physiopathology), Laryngoscopy, Male, Middle Aged, Phonation, Polyps (physiopathology), Predictive Value of Tests, Time Factors, Vibration, Video Recording, Vocal Cord Paralysis (physiopathology), Vocal Cords (pathology), Vocal Cords (physiopathology).
- MESH :
- diagnosis : Laryngeal Diseases.
- pathology : Vocal Cords.
- physiopathology : Dysphonia, Laryngeal Diseases, Polyps, Vocal Cord Paralysis, Vocal Cords.
- Adult, Biomechanical Phenomena, Case-Control Studies, Female, Humans, Image Interpretation, Computer-Assisted, Laryngoscopy, Male, Middle Aged, Phonation, Predictive Value of Tests, Time Factors, Vibration, Video Recording.
Abstract
Recently, endoscopic high-speed laryngoscopy has been established for commercial use as a state-of-the-art technique to examine vocal fold kinematics. Since modern cameras provide sampling rates of several thousand frames per second, a high volume of data has to be considered for visual and objective analysis. A method for visualizing endoscopic high speed videos in three-dimensional cycle-based graphs combining and extending the approaches of phonovibrograms and electroglottographic wavegrams is presented. To build a phonovibrographic wavegram, individual cycles of a phonovibrogram are segmented, normalized in cycle duration, and concatenated over time. For analyzing purposes, the emerging three-dimensional scalar field is visualized with different rendering techniques providing information of different aspects of vocal fold kinematics. The phonovibrographic wavegram incorporates information about the glottal closure type, size, and location of the amplitudes, symmetry, periodicity, and phase information. The potential of the approach to visualize the characteristics of vocal fold vibration in a compact and intuitive way is demonstrated within two healthy and three pathologic subjects. The phonovibrographic wavegram allows a comprehensive analysis of vocal fold kinematics and reveals information that remains hidden with other visualization techniques.
DOI: 10.1121/1.4774378
PubMed: 23363121
Affiliations:
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Herbst</name></author><author><name sortKey="Fitch, W Tecumseh S" sort="Fitch, W Tecumseh S" uniqKey="Fitch W" first="W Tecumseh S" last="Fitch">W Tecumseh S. 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Herbst</name></author><author><name sortKey="Fitch, W Tecumseh S" sort="Fitch, W Tecumseh S" uniqKey="Fitch W" first="W Tecumseh S" last="Fitch">W Tecumseh S. Fitch</name></author><author><name sortKey="Dollinger, Michael" sort="Dollinger, Michael" uniqKey="Dollinger M" first="Michael" last="Döllinger">Michael Döllinger</name></author><author><name sortKey="Lohscheller, Jorg" sort="Lohscheller, Jorg" uniqKey="Lohscheller J" first="Jörg" last="Lohscheller">Jörg Lohscheller</name></author></analytic><series><title level="j">The Journal of the Acoustical Society of America</title><idno type="eISSN">1520-8524</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Dysphonia (physiopathology)</term><term>Female</term><term>Humans</term><term>Image Interpretation, Computer-Assisted</term><term>Laryngeal Diseases (diagnosis)</term><term>Laryngeal Diseases (physiopathology)</term><term>Laryngoscopy</term><term>Male</term><term>Middle Aged</term><term>Phonation</term><term>Polyps (physiopathology)</term><term>Predictive Value of Tests</term><term>Time Factors</term><term>Vibration</term><term>Video Recording</term><term>Vocal Cord Paralysis (physiopathology)</term><term>Vocal Cords (pathology)</term><term>Vocal Cords (physiopathology)</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Laryngeal Diseases</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Vocal Cords</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Dysphonia</term><term>Laryngeal Diseases</term><term>Polyps</term><term>Vocal Cord Paralysis</term><term>Vocal Cords</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Female</term><term>Humans</term><term>Image Interpretation, Computer-Assisted</term><term>Laryngoscopy</term><term>Male</term><term>Middle Aged</term><term>Phonation</term><term>Predictive Value of Tests</term><term>Time Factors</term><term>Vibration</term><term>Video Recording</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Recently, endoscopic high-speed laryngoscopy has been established for commercial use as a state-of-the-art technique to examine vocal fold kinematics. Since modern cameras provide sampling rates of several thousand frames per second, a high volume of data has to be considered for visual and objective analysis. A method for visualizing endoscopic high speed videos in three-dimensional cycle-based graphs combining and extending the approaches of phonovibrograms and electroglottographic wavegrams is presented. To build a phonovibrographic wavegram, individual cycles of a phonovibrogram are segmented, normalized in cycle duration, and concatenated over time. For analyzing purposes, the emerging three-dimensional scalar field is visualized with different rendering techniques providing information of different aspects of vocal fold kinematics. The phonovibrographic wavegram incorporates information about the glottal closure type, size, and location of the amplitudes, symmetry, periodicity, and phase information. The potential of the approach to visualize the characteristics of vocal fold vibration in a compact and intuitive way is demonstrated within two healthy and three pathologic subjects. The phonovibrographic wavegram allows a comprehensive analysis of vocal fold kinematics and reveals information that remains hidden with other visualization techniques.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country></list><tree><noCountry><name sortKey="Dollinger, Michael" sort="Dollinger, Michael" uniqKey="Dollinger M" first="Michael" last="Döllinger">Michael Döllinger</name><name sortKey="Fitch, W Tecumseh S" sort="Fitch, W Tecumseh S" uniqKey="Fitch W" first="W Tecumseh S" last="Fitch">W Tecumseh S. Fitch</name><name sortKey="Herbst, Christian T" sort="Herbst, Christian T" uniqKey="Herbst C" first="Christian T" last="Herbst">Christian T. Herbst</name><name sortKey="Lohscheller, Jorg" sort="Lohscheller, Jorg" uniqKey="Lohscheller J" first="Jörg" last="Lohscheller">Jörg Lohscheller</name><name sortKey="Meyer, Tobias" sort="Meyer, Tobias" uniqKey="Meyer T" first="Tobias" last="Meyer">Tobias Meyer</name></noCountry><country name="Allemagne"><noRegion><name sortKey="Unger, Jakob" sort="Unger, Jakob" uniqKey="Unger J" first="Jakob" last="Unger">Jakob Unger</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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