Clinical significance of relative probe-tone levels on distortion product otoacoustic emissions.

@article{Rasmussen1993ClinicalSO,
  title={Clinical significance of relative probe-tone levels on distortion product otoacoustic emissions.},
  author={Arne N\orby Rasmussen and Gerald R. Popelka and Poul Aabo Osterhammel and Lars Holme Nielsen},
  journal={Scandinavian audiology},
  year={1993},
  volume={22 4},
  pages={223-9}
}
The effect of systematic variations in the relative levels (L1, L2) of two primary tones (f1, f2) on the amplitude of the distortion product otoacoustic emission (DPOAE) at 2f1-f2 and f1 < f2 was investigated in 14 ears from 7 normally hearing human subjects. The primary tones (f2:f1 = 1.23) were geometrically centred at the standard clinical frequencies of 0.5, 1, 1.5, 2, 3, 4, 6 and 8 kHz. The quantity L1-L2 was varied systematically from -10 dB through + 10 dB with L2 held constant at 75 dB… CONTINUE READING

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