Preliminary Analyses of Tympanic-Membrane Motion from Holographic Measurements.

  title={Preliminary Analyses of Tympanic-Membrane Motion from Holographic Measurements.},
  author={Cosme Furlong and John J. Rosowski and Nesim Hulli and Michael E. Ravicz},
  volume={45 3},
Computer-aided, personal computer (PC) based, optoelectronic holography (OEH) was used to obtain preliminary measurements of the sound-induced displacement of the tympanic membrane (TM) of cadaver cats and chinchillas. Real-time time-averaged holograms, processed at video rates, were used to characterise the frequency dependence of TM displacements as tone frequency was swept from 400 Hz to 20 kHz. Stroboscopic holography was used at selected frequencies to measure, in full-field-of-view… CONTINUE READING


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