With the stressful environment of day to day life, pressure in the corporate world and challenges in the educational institutes, more and more children and adults alike are affected by lifestyle diseases. The Identification of the emotional state or stress level of a person has been accepted as an emerging research topic in the domain of Human Machine Interfacing (HMI) as well as psychiatry. The speech has received increased focus as a modality from which reliable information on emotion can be automatically detected. Stress causes variation in the speech produced, which can be measured as negative emotion. If this negative emotion continues for a longer period, it may bring havoc in the life of a person either physically or psychologically. The paper discusses the identification of stress by recognising the emotional state of a person. Herein, four approaches for automatic Emotion Recognition are implemented and their performances such as accuracy and computation time are compared. First approach is Stress/Emotion recognition based on Mel-Frequency Cepstral coefficients (MFCC) feature with Lib-SVM classifier.
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