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5 Written questions

5 Matching questions

  1. What does RMS represent?
  2. What is RMS?
  3. Explain why the articulators would move more for louder speech.
  4. What is the inverse square law?
  5. How is intensity defined?
  1. a the pressure within the oral cavity is much higher so you would need more forceful closure of the lips for a bilabial stop because if you increased the pressure and didn't increase the lip closure force, you would end up leaking air when you really wanted to have good stop closure
  2. b root mean square
  3. c WATTS divided by a unit area
    *if you take the amount of energy that a stereo is giving out and divide it across the surface of a sphere you see that there's less energy availabe per unit area as that sphere gets larger
    *it is simply spread out over a larger surface
  4. d the amplitude of the signal
  5. e describes how sound diminishes as the distance from the sound source increases

5 Multiple choice questions

  1. making a connection between somebody's perceptual response or experience to a physical measure that links the two parameters together
  2. a perceptual characteristic
    intensity
  3. the signal goes up and down in it's amplitude all the time so it is constantly changing.
  4. frequency and spectrum
  5. the middle range around 1000 Hz

5 True/False questions

  1. How is loudness judged?by the human listener
    cannot be measured by equipment

          

  2. What does WATTS represent?the amplitude of the signal

          

  3. In the clinic what measurments are ok to use?amplitude

          

  4. The amplitude of the signal can be easily _____ _____.defined mathematically

          

  5. What does a sound level meter do?measures intensity in decibels