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Speak on phoneme theory and its variants

The founder of the phoneme theory was Baudouin de Courtenay, the Russian scientist of Polish origin. He defined the difference between a phoneme and a speech sound. He treated a phoneme as a meaningful unit, and a speech sound as a unit of speech, not connected with any meaning. He regarded the phoneme as an ideal mental image. His conception was called “mentalist view of the phoneme”.

The theory was further developed by Shcherba, the head of the Leningrad linguistic school, who stated that in the spoken language a much greater number of various sounds are pronounced than we usually think and these sounds in every language are united in a comparatively small number of sound types, which are capable of distinguishing the meaning and the form of words; i.e. they serve the purpose of social

architect.

intercommunication.

Such sounds he called PHONEMES. The actually pronounced speech sounds are variants or ALLOPHONES. In other words he defined the phoneme as a real independent distinctive unit which manifests itself in the form of allophones. This conception is called materialistic.

Allophones are realized in concrete words. They have similarity from the phon. point of view, i.e. the acoustic and articulatory pitches have much in common. At the same time they differ in some degree and are incapable of differentiating words. Ex, in speech we pronounce not the sound type /t/ which is alveolar, forelingual, apical, occlusive, plosive, voiceless, strong, according to the classificatory definition, but one of its variants. For ex, labialized in the word “twice”, dental in the word “eighth”, post-alveolar in “try”, exploded nasally in “written” and exploded literary in “little”.

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