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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-1164
DTSTART:20080411T133000Z
DURATION:PT1H0M0S
DTSTAMP:20260423T041118Z
LAST-MODIFIED:20080404T172931Z
LOCATION:MSC Room 281
SUMMARY:Temporal resolution and bandwidth of human hearing\, Seminar\,
  Milind N. Kunchur\, Department of Physics and Astronomy\, University 
 of South Carolina
DESCRIPTION:Experiments were conducted to assess the bandwidth and tem
 poral resolution of human hearing using special ultrahigh-fidelity equ
 ipment. The experiments demonstrated discernment at a ~5 microsecond t
 imescale\, which is much shorter than found previously and falls below
  the nominal 9 microseconds (=1/[2 pi 18kHz]) threshold expected for a
  linear system. Analysis of the stimuli suggests that the discernment 
 does not arise solely from direct spectral-amplitude differences but m
 ay involve additional non-linear and/or temporal mechanisms. Possible 
 mechanisms\, which are quantitatively consistent with the findings\, a
 re discussed. The present work also shows that typical instrumentation
  used in psychoacoustic research has insufficient temporal speed and f
 idelity for properly assessing all aspects of human hearing and that d
 igital sampling rates used in consumer audio are insufficient for full
 y preserving transparency. [This work was partially supported by the U
 niversity of South Carolina Office of Research and Health Sciences Res
 earch Funding Program.] 
URL:https://www.physics.wisc.edu/events/?id=1164
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