The analysis of the human voice has arisen as an important area of study for its various applications in medical as well as engineering sciences. Voice analysis basically deals with extraction of some parameters from voice signal for processing of voice in desirable applicability by using suitable techniques. This paper states the certain common medical conditions which affect voice patterns of patients in evidence to leading research studies that had verified the voice alterations as diagnosis symptom in respective medical conditions. As well as, a comparative study of voice analysis techniques will be presented and special emphasis is given to certain prominent biomedical tools that are commercially available and are fundamentally based on voice analysis technology. Recent advancements in the field of voice analysis systems are also given.
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Dixit et al. (2014) studied this question.
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