Bilabial contact pressure and oral air pressure during tracheoesophageal speech.
Bilabial contact pressure and oral air pressure during tracheoesophageal speech.
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气管食管言语期间双唇接触压力和口腔气压。
DOI：
10.1177/000348940711600415
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发表时间：
2007
期刊：
影响因子：
--
通讯作者：
Searl,Jeff
中科院分区：
文献类型：
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作者：
Searl,Jeff
目的比较气管食管（TE）和喉扬声器产生的/p/、/B/和/m/的双唇接触压（CPsp）和口腔气压（Po）。测量非言语最大双唇接触压力（CPmax）以计算双唇音素所利用范围的百分比。方法10名TE扬声器和10名喉扬声器产生负载双唇音素的音节和句子。CPsp用下唇上的微型压力传感器测量，而Po用耦合到压差传感器的嘴角中的导管同时测量。扬声器完成了非语音唇压task与接触压力transducer in place. ResultsTE扬声器产生的双唇音素与显着更高的CPSP和宝比喉扬声器。两组之间的CPmax无差异。利用双唇音素的接触压力范围的百分比是显着较高的TE speaker.ConclusionsThe增加CPSP和宝展出TE扬声器可能反映了一种企图overaggerate清晰度，虽然一个替代的解释有关的neoglottal和口腔空气动力学也必须考虑在未来的工作。随后的研究评估发音接触压力，音素清晰度，和扬声器的努力感的大小之间的关系，应有助于更好地理解TE语音需求，并可能指导新的干预措施，以促进TE语音清晰度。
ObjectivesThis study compared bilabial contact pressure (CPsp) and oral air pressure (Po) for /p/, /b/, and /m/ produced by tracheoesophageal (TE) versus laryngeal speakers. Nonspeech maximum bilabial contact pressures (CPmax) were measured to calculate the percentage of the range utilized for bilabial phonemes.MethodsTen TE speakers and 10 laryngeal speakers produced syllables and sentences loaded with bilabial phonemes. The CPsp was measured with a miniature pressure transducer on the lower lip while the Po was simultaneously measured with a catheter in the corner of the mouth coupled to a differential pressure transducer. The speakers completed a non-speech lip-press task with the contact pressure transducer in place.ResultsThe TE speakers produced bilabial phonemes with significantly higher CPsp and Po than did laryngeal speakers. There was no difference in CPmax between the groups. The percentage of the contact pressure range utilized for bilabial phonemes was significantly higher for TE speakers.ConclusionsThe increased CPsp and Po exhibited by TE speakers may reflect an attempt to overexaggerate articulation, although an alternate explanation related to neoglottal and oral aerodynamics must also be considered in future work. Subsequent studies evaluating the relationships between magnitude of articulatory contact pressure, phoneme intelligibility, and speaker's sense of effort should contribute to a better understanding of TE speech demands and may guide novel interventions to facilitate TE speech intelligibility.