Exam 3 Part 4 Flashcards
(29 cards)
What is considered normal hearing on an audiogram?
20 dBHL
Psychological perception of complex sounds
Pitch
What happens to pitch if frequency is higher?
Higher
What units are used for pitch?
mel
The mel scale quantifies the difference in ___
pitch`
To double the perceived pitch from 1000 to 2000 mels, we must increase frequency from 1000 Hz to approximately _____ Hz (not 2000 Hz)
3000 Hz
What unit do you use when someone is asking for perceived pitch?
mels
Psychological perception of intensity
Loudness
Graph of the listener’s perception that all other frequencies presented have the same perceived loudness as a 1000 Hz tone
Equal loudness contours
Unit of measure to quantify relative loudness
Phon
The 40-dB equal loudness contour is ___ phon curve
40
True or false: Phon measure does not indicate how much louder
True
Another way to quantify loudness
Sone scale
Tells us that one sound is louder than another
Phon
Tells us how much louder one sound is than another
Sone
1 sone = ___ phons
40
Loudness of a 1 kHz pure tone is represented at ___ dBSPL
40
2 sones = ___ phons
50
.5 sones = ____ phons
30
Refers to the process of locating the source or direction of sound in space
Localization
Used to study for the perception under earphones
Lateralization
What determines our ability to localization and lateralization (2)?
Interaction of temporal (time) and intensity cues
surrounds an observer and exists wherever there is sound
Auditory space
Researchers study how sounds are localized in space by using ___ and ___
Azimuth and elevation coordinates
