Recognizing Emotional States using Speech Information

Emotion recognition plays an important role in several applications, such as human computer interaction and understanding afective state of users in certain tasks, e.g., within a learning process, monitoring of elderly, interactive entertainment etc. It may be based upon several modalities, e.g., by analyzing facial expressions and/or speech, using electroencephalograms, electrocardiograms etc. In certain applications the only available modality is the user's (speaker's) voice.