My knowledge of the history of human speech

 



             Speech is human vocal communication using language. Each language uses phonetic combinations of vowel and consonant sounds that from the sound of its words, The speech skill is a wonder. to produce a phrase, about 100 muscles of the chest, neck, jaw, tongue and lips must collaborate.  

            Early human could have had a rudimentary speech system resembling animal communication. Although many animals possess voice of various types and inflection capabilities , human have learned to modulate their voices by articulating the laryngeal tones into audible oral speech. the first symbolic language emerged 2.5 million year ago. when homo habilis started   to fabricate the first stone tools. This played a key role in the development of symbolic communication. In other words, tool making skill and language skills evolved together , our language as well as our technology has a long prehistory.

         First Homo sapiens 1500,000 year ago , emitted sound similar to that spoken by  modern humans. A sudden boost in the evolution of the speech was given by the emergence of the language some 50000 years ago. 


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