Fine structure of the 2 f1-f2 acoustic distortion products: effects of primary level and frequency ratios

The Journal of the Acoustical Society of America
N J He, R A Schmiedt

Abstract

The fine structure of the 2 f1-f2 acoustic distortion product (ADP) was measured in humans with different primary level (L1/L2) and frequency (f2/f1, f2 > f1) ratios. The (L1/L2) ratio was varied under two conditions. In the first condition L1 was fixed at 50 dB SPL while L2 was varied from 30 to 75dB SPL in 5-dB steps. An upward frequency shift was observed in the ADP fine structure as L2 was increased. In the second condition, L2 was fixed at 50 dB SPL and L1 varied, and a downward frequency shift was observed. These opposing frequency shifts are predicted by a vector-sum model [Sun et al., J. Acoust., Soc. Am. 96, 2166-2174, 2175-2183 (1994)] and support the hypothesis that the ADP fine structure largely reflects place features of the area of overlap of the primary traveling waves. The mechanisms underlying the shifts in fine structure were further investigated by using three primary f2/f1 ratios: 1.11, 1.2, and 1.33. An orderly difference in the rate of fine-structure shift with level was observed as a function of f2/f1 ratio, with the largest rate of shift associated with the smallest frequency ratio. This observation, along with the fact that downward frequency shift (with L1 varied) is always at a larger rate than the up...Continue Reading

References

Dec 1, 1992·Hearing Research·F P HarrisL Xu
Aug 1, 1990·The Journal of the Acoustical Society of America·S A Gaskill, A M Brown
Aug 1, 1990·The Journal of the Acoustical Society of America·A M Brown, S A Gaskill
Jan 1, 1989·The Journal of the Acoustical Society of America·F P HarrisG K Martin
Jul 1, 1988·The Journal of the Acoustical Society of America·M FurstP M Zurek
May 1, 1986·The Journal of the Acoustical Society of America·R A Schmiedt
Apr 1, 1985·The Journal of the Acoustical Society of America·T G Dolan, P J Abbas
Apr 1, 1985·The Journal of the Acoustical Society of America·T G Dolan, P J Abbas
Apr 1, 1971·The Journal of the Acoustical Society of America·W S Rhode
Nov 1, 1984·The Journal of the Acoustical Society of America·R A Schmiedt
Apr 1, 1984·The Journal of the Acoustical Society of America·E Zwicker, E Schloth
Oct 1, 1995·The Journal of the Acoustical Society of America·G Zweig, C A Shera
Jul 1, 1995·The Journal of the Acoustical Society of America·P KummerW Arnold
Oct 1, 1994·The Journal of the Acoustical Society of America·X M SunC F Lam
Oct 1, 1994·The Journal of the Acoustical Society of America·X M SunC F Lam
Nov 1, 1993·The Journal of the Acoustical Society of America·N J He, R A Schmiedt
Feb 1, 1993·The Journal of the Acoustical Society of America·D Brass, D T Kemp
Feb 1, 1996·The Journal of the Acoustical Society of America·N J He, R A Schmiedt

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Citations

Jun 17, 2010·The Journal of the Acoustical Society of America·Peter T Johannesen, Enrique A Lopez-Poveda
Aug 31, 2006·The Journal of the Acoustical Society of America·Kim S SchairerDouglas H Keefe
Jul 15, 2006·The Journal of the Acoustical Society of America·Tiffany A JohnsonMichael P Gorga
Jun 14, 2006·Proceedings of the National Academy of Sciences of the United States of America·V Faye McNeillMario J Molina
Jan 12, 2011·The Journal of the Acoustical Society of America·Miguel Angel Aranda de ToroDorte Hammershøi
Feb 6, 2008·The Journal of the Acoustical Society of America·Tiffany A JohnsonMichael P Gorga
Jan 12, 2002·The Journal of the Acoustical Society of America·A N Lukashkin, I J Russell
Oct 26, 2002·The Journal of the Acoustical Society of America·Andrei N Lukashkin, Ian J Russell
May 2, 2000·The Journal of the Acoustical Society of America·A TubisC Tong
Jun 27, 2002·The Journal of the Acoustical Society of America·Andrei N LukashkinIan J Russell
Jul 27, 2002·The Journal of the Acoustical Society of America·Lin BianEmily Miller
Oct 19, 2013·Physiological Reviews·Paul AvanChristine Petit

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