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S110

Quiz 1

Question	Answer
When air particles are close together	Compression
The source of sound is something that	causes vibration
In wave propagation, the individual particles move	back and forth a short distance
Speech and hearing scientist use the waveform to represent the pressure wave. The peak on the waveform represents periods of	Compression
The height of a waveform represents	Amplitude (How loud)
Hertz measures	Frequency (Cycles/sec.)
T/F All sounds in English have approximately the same pitch	false
T/F The human voice is an example of a simple sound wave.	false
Examples of complex sounds	Periodic & aperiodic sounds
T/F The tympanic membrane functions most efficiently when it is very tight.	False
3 resonance cavities relevant to speech	Pharynx, oral, naval
The phonatory system is primarily represented by which anatomical structure.	Vocal folds
Pull vocal folds apart	Vocal fold abductors
2 primary ways of increasing amplitude	increasing vocal fold aDDuction & increasing breath support.
125 Hz is the average fundamental frequency of	men
If you stretch your vocal folds, your speech will	get higher in pitch
Bring vocal folds together	vocal fold adductors
Primary muscle of inhalation	the diaphragm
T/F The primary function of the vocal folds is to produce sounds.	True
T/F Speech breathing is no different than regular breathing in terms of inhale/exhale ratio.	True
An intermediary connection between the tongue and the larynx.	epiglottis
T/F Vocal fold sit on top of the trapea	true
The 4 systems of speech production	Respiratory, phonatory, resonance, articulatory
Respiratory	LUNGS
Phonatory	LEVEL OF VOCAL FOLDS
Resonance	"THE MEGAPHONE" (pharynx, mouth, & nasal)
Articulatory	STRUCTURES (tongue, teeth,...etc.)
T/F The diaphragm is shaped like a parachute.	True
Closes off the larynx	Epiglottis
Resonating chambers	Throat, mouth, nasal
What do resonating chambers do?	Alter sounds & act like a megaphone
T/F Vocal folds are inside the thyroid cartilage	True
Word assigned to space between the vocal folds	Glotus
Frequency determines	What pitch.
Quality determines	How healthy and harsh.
Amplitude determines	How loud.
Tighter vocal folds =	Increased pitch
Sound waves=	pressure waves
Physical sound	Creates vibrations
Perceptual sound	goes into ear canal
2 requirements for sound	Vibration & medium
Through which sounds can propagate	medium
T/F Any singular molecule travels in its own distance.	True
T/F Air particles are not displaced over a large distance.	True
Amplitude	Loudness ( Decibels & pascals)
Like a rubber ducky- muscle action pulls open lungs, sucking air in.	Inhalation
20-25db=	Good hearing!
Regular pattern of pressure & speed	Periodic
Random variation in pressure and speed	Aperiodic
Complex sounds can be	Periodic or aperiodic
A 3 dimensional representation of speech used to analyze sounds	Spectogram
3 dimensions of speech	time, frequency, loudness
Pushing air particles out of lungs	exhale
Causes the vibration ('Source of Sound")	Phonatory system
Major components of the phonatory system	Larynx, hyoid bone, vocal folds
Only bone that doesn't attach to another bone. Important for swallowing.	Hyoid bone
Fundamental frequency	Hertz, Mass/unit length, Cricothyroid muscle
Pull and stretches vocal folds	Cricothyroid muscle
Lowest pitch we can make	Fundamental frequency
Mass/Unit Length	thicker vocal folds=lower pitch
Rate of vibration per/sec	Pitch
215 Hz is the average fundamental frequency of	women
2 catagories of hearing loss	Sensorineural & Conductive
Hearing loss when there is fraying of hairs. (most common, age related)	Sensorineural
Hearing loss when there is fluid in ear. (hearing wave)	Conductive

Created by: geh2010

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S110

Quiz 1

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