Branches of Phonetics by TxAKa6L

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									     Branches of Phonetics
 Articulatory phonetics: the study of
  how speech sounds are made or
  articulated
 Acoustic phonetics: deals with the
  physical properties of speech sounds
  such as sound waves in the air
 Auditory phonetics: deals with the
  perception of speech sounds via the ear
      How speech sounds are
            produced
   We start with the air pushed out by the lungs
    up through the trachea (the windpipe) to the
    larynx. Inside the larynx are the vocal cords
    which take two basic positions:
   spread apart voiceless sounds  the air
    from the lungs passes between them
    unimpeded
   e.g. pick and fish : voiceless sounds at the
    beginning and at the end
    How speech sounds are
          produced
 When the vocal cords are drawn
  together, the air from the lungs
  repeatedly pushes them apart as it
  passes through, creating a vibration.
  Sounds produced in this way are
  described as voiced.
 e.g.: big and viz (=namely) have voiced
  sounds at the beginning and at the end

								
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