Malayalam welcome speech by Nizar Mannar.3gp. Other research topics relate to the repetition of speech, the ability to map spoken words spoken in the vocalizations needed to recreate them, which plays a key role in the expansion of vocabulary in children and speech errors. Speech is investigated in terms of speech production and speech perception of the sounds used in vocal language. The vocal abilities that allow humans to produce speech also allow them to sing. These vocabularies, the syntax that structure them and their sets of voice sound units differ, creating thousands of different and unintelligible human languages. Each spoken word is created from the phonetic combination of a limited set of vowels and units of consonant voice sound (phonemes). Speech is the vocalized form of communication used by humans, which is based on the syntactic combination of elements extracted from the lexicon.