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In other words, it is the mechanical transfer function that allows for efficient transfer of collected sound energy between two different media. [2] The three small bones that are responsible for this complex process are the malleus , the incus , and the stapes , collectively known as the ear ossicles .
A high impedance load (e.g. by plugging the end of the line) will cause a reflected wave in which the direction of the pressure wave is reversed but the sign of the pressure remains the same. Since a transmission line behaves like a four terminal model, one cannot really define or measure the impedance of a transmission line component.
The entorhinal cortex is the part of the 'hippocampus system' that aids and stores visual and auditory memories. [23] [24] The supramarginal gyrus (SMG) aids in language comprehension and is responsible for compassionate responses. SMG links sounds to words with the angular gyrus and aids in word choice.
Coronal section of a human brain. BA41(red) and BA42(green) are auditory cortex. BA22(yellow) is Brodmann area 22, HF(blue) is hippocampal formation and pSTG is posterior part of superior temporal gyrus. The auditory cortex is the part of the temporal lobe that processes auditory information in humans and many other vertebrates.
The accuracy of tempo within an auditory image usually suffers when recalled; however, the consistency of a person's perception of tempo is preserved. When surveying subject's auditory imagery, their sense of tempo usually stays within 8% of the original tempo heard in a song that the subject heard at some point in the past. [1]
The brain utilizes subtle differences in loudness, tone and timing between the two ears to allow us to localize sound sources. [10] Localization can be described in terms of three-dimensional position: the azimuth or horizontal angle, the zenith or vertical angle, and the distance (for static sounds) or velocity (for moving sounds). [ 11 ]
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The cochlear nerve (also auditory nerve or acoustic nerve) is one of two parts of the vestibulocochlear nerve, a cranial nerve present in amniotes, the other part being the vestibular nerve. The cochlear nerve carries auditory sensory information from the cochlea of the inner ear directly to the brain .