5 Written questions
5 Matching questions
- What does RMS represent?
- What is RMS?
- Explain why the articulators would move more for louder speech.
- What is the inverse square law?
- How is intensity defined?
- 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
- b root mean square
- 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
- d the amplitude of the signal
- e describes how sound diminishes as the distance from the sound source increases
5 Multiple choice questions
- making a connection between somebody's perceptual response or experience to a physical measure that links the two parameters together
- a perceptual characteristic
- the signal goes up and down in it's amplitude all the time so it is constantly changing.
- frequency and spectrum
- the middle range around 1000 Hz
5 True/False questions
How is loudness judged? → by the human listener
cannot be measured by equipment
What does WATTS represent? → the amplitude of the signal
In the clinic what measurments are ok to use? → amplitude
The amplitude of the signal can be easily _____ _____. → defined mathematically
What does a sound level meter do? → measures intensity in decibels