المرجع الالكتروني للمعلوماتية
المرجع الألكتروني للمعلوماتية

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palatograph (n.)  
  
563   02:46 صباحاً   date: 2023-10-21
Author : David Crystal
Book or Source : A dictionary of linguistics and phonetics
Page and Part : 348-16


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Date: 2023-08-21 642
Date: 2023-12-08 570
Date: 2023-05-04 1065

palatograph (n.)

An instrument used in ARTICULATORY PHONETICS to study articulations made against the PALATE. Palatography has used several techniques to produce accurate pictures of TONGUE contact with the palate – palatograms. An early palatographic technique involved spraying the roof of the mouth with a dark powdery substance; an articulation would then be made, which, if in the palatal or alveolar area, would rub off some of the substance: the roof of the mouth would then be photographed to pinpoint the place of articulation. Apart from the inconvenience of this method, its biggest drawback is that it was static: it disallowed any observation of the movement of the tongue in connected speech. More recently, ELECTROPALATOGRAPHIC techniques have been devised which enable a continuous record to be made of the tongue contact in this area.