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5 Written questions

5 Matching questions

  1. What is RMS?
  2. Decibels are a logarithmic measure of what?
  3. What is the general principle of the inverse square law?
  4. Ideas to keep in mind when using VRP in practice are:
  5. How is loudness judged?
  1. a by the human listener
    cannot be measured by equipment
  2. b intensity
  3. c *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
  4. d root mean square
  5. e to specify exactly how the intensity of sound diminishes as the hearer/recorder gets further away form the speaker/sound source

5 Multiple choice questions

  1. as a biofeedback tool; measure clients speech intensity while they're talking and then give them feedback that will help them aim for a particular target (higher or lower depending on their need)
  2. 1st: take all of the values + and - of the signal and square them
    2nd: get the average of the squared values (it will be +)
    3rd: get the square root of the average which then gives you the RMS
  3. *distance is crucial: it must be known or at least kept constant from one session to another because of the inverse square law
    *keep mouth to mic distance constant
    *keep input settings constant for each session
  4. Fo increases tend to be associated with amplitude increases due to physiological reasons
  5. a perceptual characteristic
    intensity

5 True/False questions

  1. At which range do our ears have substantially less sensitivity to sound?the middle range around 1000 Hz

          

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

          

  3. What does assembling a psycho physical scale mean?making a connection between somebody's perceptual response or experience to a physical measure that links the two parameters together

          

  4. What complicates our perception of loudness?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

          

  5. When doing research and publishing it is important to state these 2 things.measuring sound pressure level in decibels of a person's spoken output because the distance of our measuring device from the speaker makes an enormous difference to the actual decibel values that we measure

          

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