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5 Written questions

5 Matching questions

  1. What is the great value in using a decibel scale?
  2. What is the benefit of a logarithimic scale?
  3. Ideas to keep in mind when using VRP in practice are:
  4. What does WATTS represent?
  5. What are the physiological reasons Fo increases tend to be associated with amplitude increases?
  1. a *somewhat time consuming to collect all the data points
    *useful for voice disordered patients
    *practice helps them become better
    *motivation plays a role
    *max effort can vary with instructions
    *be careful to avoid risk of vocal damage
  2. b it allows us to span a wide range of intensitites using numbers that aren't absolutely enormous or totally minuscule.
  3. c the amount of energy that can be transferred by the system
    *in the case of a music system, the energy comes from a battery or from the electrical wall socket and the output from this system is acoustic energy
  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 it is capable of accomodating a large range of numbers in a very straight forward and visually intuitive way

5 Multiple choice questions

  1. the intensity drops not in proportion to the distance but in proportion to the square of the distance
  2. to specify exactly how the intensity of sound diminishes as the hearer/recorder gets further away form the speaker/sound source
  3. *that they used dB SPL
    *the distance of the sound level meter from the speaker
  4. the middle range around 1000 Hz
  5. the amplitude of the signal

5 True/False questions

  1. Explain why the articulators would move more for louder speech.*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


  2. What does a sound level meter do?converts electrical energy into acoustic energy
    *a home stereo is a transducer


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


  4. How do you use a sound level meter in the clinic?measures intensity in decibels


  5. Why do we use logarithimic numbers and decibels?because values in watts are too cumbersome