fundies-ch10rev - CHAPTER 10 Auditory Sensitivity...

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CHAPTER 10 Auditory Sensitivity
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PSYCHOACOUSTICS A branch of psychophysics The study of the relation between: the physical aspects of sound and the psychological experience of sound
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Threshold or Limen Absolute Threshold -- lowest value of stimulus which can be detected Difference Threshold -- smallest detectable change in a stimulus These 2 Thresholds were the primary questions in CLASSICAL PSYCHOPHYSICS Thresholds
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Minimum Audibility Curve-- Plot of threshold of detection (in dB SPL) as a function of frequency Lowest thresholds in 1 to 4 kHz region Thresholds
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The Auditory Response Area Thresholds
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Auditory Response Area Range of useable hearing-- from threshold of detection to threshold of feeling/pain Also called the DYNAMIC RANGE OF HEARING Thresholds
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Differential Sensitivity Detecting changes in a stimulus (e.g., how small a change in frequency can you detect) Measured as the jnd - just noticeable difference Diff. Sensitivity//Weber’s Law
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This note was uploaded on 08/23/2011 for the course SPA 3032 taught by Professor Gerhardt during the Spring '08 term at University of Florida.

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fundies-ch10rev - CHAPTER 10 Auditory Sensitivity...

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