Dynamic approach to sound pitch

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Authors

  • Halina RYFFERT The Chair of Acoustics, Adam Mickiewicz University, Poland
  • Alicja CZAJKOWSKA The Chair of Acoustics, Adam Mickiewicz University, Poland
  • Urszula JORASZ The Chair of Acoustics, Adam Mickiewicz University, Poland
  • Rufin MAKAREWICZ The Chair of Acoustics, Adam Mickiewicz University, Poland

Abstract

Theoretical considerations have provided an analytical expression describing simultaneous changes of the intensity and pitch of the signal emitted by a moving source. Experimental investigations of the perceptibility of the sound-pitch changes accompanied simultaneously by appropriate intensity changes have confirmed mutual coupling of these two quantities in the process of the formation of a general sonic impression. A qualitatively new effect of automasking has been observed and shown to consist in an interaction of the two varying psychoacoustic parameters in the process of sound perception.

References

[1] H. RYFFERT, A. CZAJKOWSKA, U. JORASZ, R. MAKAREWICZ, Hléments de perception des signaun acoustiques d'une source mobile, IX International Congress on Acoustics, Contributed papers, Vol. 1, H 36, Madrid 1977, 360.

[2] G. SHOWER, R. BIDDULPH, Differential pitch sensitivity of the ear, JASA 3, 275 (1931).

[3] S. S. STEVENS, The relation of pitch to intensity, JASA 6, 150 (1935).

[4] J. VERSCHUURE, A. A. MEETEREN van, The effect of intensity on pitch, Acustica 32, 1, 33-44 (1975)

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