Effects of Simulated Environment of Spaceflight on Phonetic Features of Speech / 航天医学与医学工程
Space Medicine & Medical Engineering
; (6)2006.
Article
en Zh
| WPRIM
| ID: wpr-580811
Biblioteca responsable:
WPRO
ABSTRACT
Objective To study changes of phonetic features of mandarin speech when the talker is in stressed environment of spaceflight.Methods The mandarin speech database was established from volunteers speech in 72 h psychological isolation & sleep deprivation experiment,60 d head-down-tilt bed-rest experiment and 60 d sealed module experiment.The phonetic features were fundamental frequency,syllable duration and short-term energy of speech.Results In above three kinds of stressed environments,the changes of fundamental frequency were correlated with appearance of annoyance emotion of volunteers.But changes of syllable duration and short-term energy were related to different time points during experiments.Conclusion According to the findings,acoustic changes of speech under simulated environment of spaceflight may provide important reference to the study of emotional speech recognition in spaceflight for the future.
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1
Índice:
WPRIM
Idioma:
Zh
Revista:
Space Medicine & Medical Engineering
Año:
2006
Tipo del documento:
Article