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引用次数: 8
摘要
情感演讲对于传达想要传达的信息起着重要的作用。情绪在言语信号的各个层面都有表现,尤其是在超分段层面(即韵律层面)表现得尤为显著。本文利用音长、语调(音高变化)和能量等韵律特征来表征四种情绪(愤怒、同情、快乐和中性)。在SUSE (speech under simulation emotion)数据库上进行分析。从韵律特征方面得到的关于每种情绪的知识用于从一种情绪到另一种情绪的语音转换。本文试图在粗鄙的层次上对言语进行从中性到其他情绪的转化。用听力测试的方法对情绪转化后的语音进行评价
Characterization and Incorporation of Emotions in Speech
Emotional speech plays an important role for conveying the desired message. Emotions are manifested in speech signal at all the levels, in particular they are significant at suprasegmental level (i.e., prosodic level). In this paper four emotions are characterized (anger, compassion, happy and neutral) using the prosodic features such as duration, intonation (variation of pitch), and energy. The analysis is performed on SUSE (speech under simulated emotion) database. The derived knowledge with respect to each emotion in terms of the prosodic features is used for speech transformation from one emotion to other. In this paper an attempt is made for transforming speech at gross level from neutral to other emotions. The transformed speech after incorporating the emotions is evaluated by using the listening tests