ch 12 - hearing in the environment Flashcards
auditory space
perception of where sounds are located in space
auditory localization
the locating of sound sources in auditory space
location cues
characteristics of the sound reaching the listener that provides info regarding the location of a sound made
what are the 2 types of location cues?
binaural and spectral cues
azimuth
locations caring from left to right relative to the listener
elevation
sound locations that are up and down
distance
how far a stimulus is from the observer
binaural cues
sound localization that uses BOTH ears
spectral cues
sound localization that uses 1 ear
where are auditory structures in the brainstem located?
the superior olivary nucleus
interaural level difference (ILD)
the difference in the sound pressure level between the left and right ears
acoustic shadow
shadow created by the head that decreases the level of high frequency sounds on the opposite side of the head
interaural time difference (ITD)
the time difference between when a sound reaches the left ear and when it reaches the right ear
cone of confusion
a surface in the shape of a cone that extends out from the ear where all sounds produce the same time and level (intensity) differences (ITDs and ILDs)
spectral cues
the distribution of frequencies reaching the ear that are associated with specific locations of a sound