Speech sounds production

Speech sounds production

1. Phonoarticulator apparatus

   • Three main groups
     • The Lungs
       • They acts as power supply by providing the airflow
       • Rib cage, Diaphragm, Trachea
     • Larynx
       • It modulates airflow from the lungs
         • Tongue, False vocal cords, Esophagus, True vocal cords
       • Sound are produced by muscles contracting.
         • Larynx muscles produce many different modifications in the flow of air from the chest to the mouth
           • In the vocal tract the air goes through and leaves the body through the mouth and the nosetrils. the parts of the vocal tract are called articulators
             • Articulators
               • Nose, upper and lower teeth, upper and lower lips, alveolar ridge, hard and soft palate, tongue, pharynx
     • Vocal Tract
       • Oral, nasal and pharynx cavities.
       • Nasal Cavity, Palate, Lips, Epiglotis, Pharyns, Velum, Oral Cavity
       • It gives the Color to the source

2. Three Categories of the sources

   • Periodic, Noisy, Impulsive

3. Phone features

   • Phonetically and phonologically aspects
     • Loudness
     • Pitch
     • Tone of voice
     • Duration and Lenght
     • Air stream mechanism
   • Physical aspects
     • Spectogram
     • Time-Waveform