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5 Written questions

5 Matching questions

  1. What range do our ears have the greatest sensitivity to sounds?
  2. What happens as the radius gets bigger?
  3. At which range do our ears have substantially less sensitivity to sound?
  4. What are the physiological reasons Fo increases tend to be associated with amplitude increases?
  5. What is RMS?
  1. a very low frequencies and very high frequencies
  2. b the intensity drops not in proportion to the distance but in proportion to the square of the distance
  3. c root mean square
  4. d if you are going to sustain a very high note at a very high Fo it means that you need to activate the cricothyroid muscle to stretch the vocal folds substantially; the vocal folds would be quite stiff and in order to get them to vibrate when they are that stiff you need to apply greater pressure and this will result in higher amplitude phonation simply because it is difficult to get the vocal folds to oscillate when they are stiff; you have to drive them much harder to do so as you drive them harder it's then impossible to sustain a very soft input
  5. e the middle range around 1000 Hz

5 Multiple choice questions

  1. Our hearing is not equally sensitive to all frequencies; it is heavily influenced by the frequency that we are listening to
  2. describes how sound diminishes as the distance from the sound source increases
  3. 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. *increase our subglottal pressure/more driving pressure for loud speech
    *it causes the vocal folds to move farther apart as they oscillate = more forceful vocal fold collisions
    *larger articulator movements
    *because more pressure has come from the lungs to drive the larynx, there is higher oral presure as you form consonants thus, the consonant burst release is stronger
  5. 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

5 True/False questions

  1. Data collected from the VRP can tell us what?Our hearing is not equally sensitive to all frequencies; it is heavily influenced by the frequency that we are listening to

          

  2. How is loudness judged?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

          

  3. What is the benefit of a logarithimic scale?it allows us to span a wide range of intensitites using numbers that aren't absolutely enormous or totally minuscule.

          

  4. What is acoustic power?*how much energy is radiated
    *it is measured in watts
    *represents the amount of energy transfer in a given amount of time

          

  5. What is a VRP and what does it do?measures intensity in decibels