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SPPA 4030 Speech Science

SPPA 4030 Speech Science. Instructor: Stephen Tasko. Speech science investigates the fundamental questions pertaining to how speech is produced and how it is perceived (Kent, 1997). The Speech Chain. (Denes & Pinson, 1993). Our primary focus. (Denes & Pinson, 1993).

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SPPA 4030 Speech Science

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  1. SPPA 4030 Speech Science Instructor: Stephen Tasko SPPA 4030 Speech Science

  2. Speech science investigates the fundamental questions pertaining to how speech is produced and how it is perceived (Kent, 1997). SPPA 4030 Speech Science

  3. The Speech Chain (Denes & Pinson, 1993) SPPA 4030 Speech Science

  4. Our primary focus (Denes & Pinson, 1993) SPPA 4030 Speech Science

  5. Speech production may be described as the systematic regulation of air pressures and flows within the lungs and vocal tract SPPA 4030 Speech Science

  6. Why study speech science? • Critical information is embedded in the speech signal • Phonetic information • Affective information • Personal information • Transmittal information • Diagnostic information SPPA 4030 Speech Science

  7. Branches of physics and speech science • Acoustics • Physics of sound • Aerodynamics • Physics of air volumes, flows and pressures • Kinematics • Physics of movement (displacement, velocity and acceleration) w/o regard to cause of movement • Dynamics • Physics that deals with understanding the forces that underlie movement SPPA 4030 Speech Science

  8. Examples SPPA 4030 Speech Science

  9. Biology and speech science • Electrophysiology • Measuring electrical activity of the body • Muscle activity (electromyography or EMG) • Peripheral nerve activity (neurography) • Central nervous system activity (e.g. electroencephalography or EEG) • Neuroimaging • Magnetic Resonanc Imaging (MRI) • Positron Emission Tomography (PET) • Molecular Biology • Ultrastructure of the speech apparatus SPPA 4030 Speech Science

  10. Measuring the activity of our muscles (electromyography or EMG) SPPA 4030 Speech Science

  11. Measuring the activity of our brain (a variety of techniques) SPPA 4030 Speech Science

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