Role of Acoustic Cues in Conveying Emotion in Speech

Abstract

It is a well-known tendency that people generally disguised their voices to fleece criminology branch such that in extortion case, for kidnapping and even during emergency police calls. As the horizon of crime is increasing day by day so it is difficult to solve these cases by traditional methods. The Law should be at least one step before the crime, so forensic scientists are researching new discoveries every day. Every human being is different from other in terms of age, gender, weight and voice etc. so they response differently to different emotions. Principle of disguise defined as modification of voice of one person to sound differently or like another person [1-3]. For manual FSI, identification rate by normal voices can be degraded by the voice variations from great background noise, different transmission channels, illnesses, etc. Due to various applications of forensic science in our daily life, it has become strenuous to perceive the synergy among different emotions for a recognition system. Many of the behaviors felt or exhibited by humans can be detected by analysis of that person’s voice [4-6]. These are: