Stress Recognition in Speech – A Survey of The State of The Art

Stress recognition from speech seeks an humongous attention among the researchers and from the industrial sides like call centres for recognizing the customer’s intension over speech. Recognizing stress using visual is easier when compared with recognition of stress from speech signal since Lombard effect affects the normal speech heavily. In this paper a detailed survey has been made on the research works that are carried out only to recognize the stress from speech signal. This paper also addresses the databases that are considered only for stress recognition. The speech signals of the databases cited in this paper consists of the speech signals that are only intended to recognize the level of stress from the speech signal. A detailed Table has been cited which holds the core part of each and every research work carried on recognition of speech signal.