báo cáo hóa học:" Research Article Automatic Speech Recognition Systems for the Evaluation of Voice and Speech Disorders in Head and Neck Cancer"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Automatic Speech Recognition Systems for the Evaluation of Voice and Speech Disorders in Head and Neck Cancer | Hindawi Publishing Corporation EURASIP Journal on Audio Speech and Music Processing Volume 2010 Article ID 926951 7 pages doi 2010 926951 Research Article Automatic Speech Recognition Systems for the Evaluation of Voice and Speech Disorders in Head and Neck Cancer Andreas Maier 1 Tino Haderlein 1 Florian Stelzle 2 Elmar Noth 3 Emeka Nkenke 2 Frank Rosanowski 1 Anne Schutzenberger 1 and Maria Schuster1 1 Division of Phoniatrics and Pediatric Audiology Erlangen University Hospital Friedrich-Alexander University Erlangen-Nuremberg Bohlenplatz 21 91054 Erlangen Germany 2 Department of Maxillofacial Surgery Erlangen University Hospital Friedrich-Alexander University Erlangen-Nuremberg Gluckstrafie 11 91054 Erlangen Germany 3 Department of Computer Science Friedrich-Alexander University Erlangen-Nuremberg Martensstrafie 3 91058 Erlangen Germany Correspondence should be addressed to Andreas Maier Received 6 November 2008 Revised 9 April 2009 Accepted 16 June 2009 Academic Editor Georg Stemmer In patients suffering from head and neck cancer speech intelligibility is often restricted. For assessment and outcome measurements automatic speech recognition systems have previously been shown to be appropriate for objective and quick evaluation of intelligibility. In this study we investigate the applicability of the method to speech disorders caused by head and neck cancer. Intelligibility was quantified by speech recognition on recordings of a standard text read by 41 German laryngectomized patients with cancer of the larynx or hypopharynx and 49 German patients who had suffered from oral cancer. The speech recognition provides the percentage of correctly recognized words of a sequence that is the word recognition rate. Automatic evaluation was compared to perceptual ratings by a panel of experts and to an age-matched control group. Both patient groups showed significantly lower word recognition rates than the control group. Automatic speech .

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