Speech Communication - Special issue on speech under stress
Nonlinear speech analysis and acoustic model adaptation with applications to stress classification and speech recognition
Speech Under Stress: Analysis, Modeling and Recognition
Speaker Classification I
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We use automatically extracted acoustic features to detect speech which is generated under stress, achieving 76.24% accuracy with a binary logistic regression. Our data are task-oriented human-human dialogues in which a time-limit is unexpectedly introduced partway through. Analysis suggests that we can detect approximately when this event occurs. We also consider the importance of normalizing the acoustic features by speaker, and detecting stress in new speakers.