Audiology week 2
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This 2 page Class Notes was uploaded by Alicia Notetaker on Sunday February 7, 2016. The Class Notes belongs to CDS 290LEC at University at Buffalo taught by Wei Sun in Spring 2016. Since its upload, it has received 15 views.
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Date Created: 02/07/16
Alicia Fursich Audiology CDS 290 Lecture 3 Acoustics (SLIDE 1) Acoustics and psychoacoustics (SLIDE 2) sound intensity is very important for audiology test: important for determining hearing loss (SLIDE 3) sounds have different forms defining sound by audiologists: interested in common properties of sound (SLIDE 4) (SLIDE 5) sound medium: transfer of sound -if there is no medium after vocal fold, you will not be able to hear it - without medium, no one can hear sound, it can’t be propagated (SLIDE 6) tuning forks can have different sizes bc the vibration is different (smaller one vibrates faster) (SLIDE 7) (SLIDE 8) (SLIDE 9) y axis: pressure changes, x axis: time changes (SLIDE 10) (SLIDE 11) (SLIDE 12) (SLIDE 13) (SLIDE 14) (SLIDE 15) (SLIDE 16) (SLIDE 17) (SLIDE 18) (SLIDE 19) Alicia Fursich Audiology CDS 290 Lecture 4 Sound intensity and psychoacoustics (SLIDE 1) sound vibration will carry energy -pressure is a force applied over a surface (SLIDE 2) (SLIDE 3) (SLIDE 4) can be height, weight, power, pressure (SLIDE 5) comparing Kimball tower to house, Kimball is 100 times higher than house (SLIDE 6) (SLIDE 7) lower than reference: negative number (SLIDE 8) normal conversation is about 60 db-110 db (SLIDE 9) audiologists need to know how the sound is perceived by patient (SLIDE 10) (SLIDE 11) (SLIDE 12) (SLIDE 13) (SLIDE 14) 0 db sound is not always audible (SLIDE 15) (SLIDE 16) (SLIDE 17) (SLIDE 18) (SLIDE 19) mel: unit of pitch not frequency (SLIDE 20) (SLIDE 21)
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