Abstract
All living creatures in this world have emotions naturally like humans, birds, animals, fishes, plants and so on. Sometimes, non-living things also can express sentimental emotions. Lots of researches and epic writers has written about emotions in different angles. The human's emotions may differ or expose based on culture, life style, living habits, food habits, behavioural habits, experience and knowledge. Emotional expression may be differing based on experience and interpretations. Pitch of vocal speech is a significant parameter for categorising emotions in speech. This paper is special for finding the pitch values in Tamil speech (voice modulation), frequency of speech, length of frequency and for the Tamil speech's recorded voice to text conversion.
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