Localization of a sound signal in the vertical plane under masking conditions

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Abstract

The effect of masker on the localization of a sound source in vertical sagittal plane was investigated in simultaneous masking conditions and in the precedence effect paradigm. In the first case, the stationary signal and the masker were presented simultaneously while in the second case the signal onset was delayed relative to the masker onset. The delay was 2, 4, 8, 20, 40, 80 and 200 ms. The signal and the masker were created from two different uncorrelated noise bursts with a bandwidth of 5 to 18 kHz. Duration of noise bursts were 1 s. The masker was placed above the listeners head at an angle of 90 deg and the signal was placed in front of the listener at an angle of 7.5 deg. Perceived positions of signals under masking conditions were compared with those single of the signal or masker presented separately. It is shown that under the masking conditions the probability of detecting a signal decreased. Listeners could localize the signal at the delay of 80 ms and higher. The probability of detecting the signal at 80 ms delay was 92%. The perceived position of signal in masking condition did not significantly differ from the perceived position of single signal. At delays ranging from 0 to 40 ms, listeners mainly showed a perceived masker position that was shifted toward the signal. The shifted position was significantly different from the perceived position of a single masker.

About the authors

M. Yu. Agaeva

I.P. Pavlov Institute of Physiology RAS

Author for correspondence.
Email: agamu_1@mail.ru
Russian Federation, 199034, St. Petersburg, Makarova emb., 6

References

  1. Agaeva M. Ju., Al'tman Ja. A. Porogi obnaruzhenija jeha dlja serii shumovyh posylok v vertikal'noj sagittal'noj ploskosti [Echo Threshold Value for Series of Noise Bursts in Vertical Plane]. Sensornye sistemy [Sensory systems]. 2009. V. 23(3). P. 181–185. (in Russian).
  2. Agaeva M. Yu., Petropavlovskaia E. A. Localization of Correlated and Uncorrelated Audio Signals in the Horizontal Plane under Masking Conditions. Human Physiology. 2023. V. 49. № 1. P. 44–54. doi: 10.1134/S0362119722100012
  3. Baumgartner R., Majdak P. Laback B. Modeling sound-source localization in sagittal planes for human listeners. J Acoust Soc Am. 2014. V. 136. P. 791–802. doi: 10.1121/1.4887447.
  4. Van Bentum G. C., Van Opstal A. J., Van Aartrijk C. M. M., Van Wanrooij M. M. Level-weighted averaging in elevation to synchronous amplitude-modulated sounds. J Acoust Soc Am. 2017. V. 142. P. 3094–3103. doi: 10.1121/1.5011182
  5. Best V., van Schaik A., Carlile S. Separation of concurrent broadband sound sources by human listeners. J Acoust Soc Am. 2004. V. 115. P. 324–336. doi: 10.1121/1.1632484
  6. Blauert J. Spatial hearing: the psychophysics of human sound localization. Harvard, MA: MIT Рress., 1997. 504 p.
  7. Bregman A. S. Auditory Scene Analysis: The Perceptual Organization of Sound. Cambridge, MA: MIT Press.; 1990. 792 p.
  8. Bremen P., Van Wanrooij M. M., Van Opstal A. J. Pinna cues determine orienting response modes to synchronous sounds in elevation. J. Neurosci. 2010. V. 30. P. 194–204. doi: 10.1523/JNEUROSCI.2982–09.2010
  9. Brown A. D., Stecker G. C., Tollin D. J. The precedence effect in sound localisation. J Assoc Res Otolaryngol. 2015. V. 16. P. 1–28. doi: 10.1007/s10162–014–0496–2
  10. Dizon R. M., Litovsky R. Y. Localisation dominance in the median-sagittal plane: effect of stimulus duration. J. Acoust. Soc. Am. 2004. V. 115. P. 3142–3155. doi: 10.1121/1.1738687
  11. Ege R., van Opstal A. J., Bremen P., van Wanrooij M. M. Testing the Precedence Effect in the Median Plane Reveals Backward Spatial Masking of Sound. Sci Rep. 2018. V. 8:8670. P. 1–10. doi: 10.1038/s41598–018–26834–2
  12. Johnson О. S., O’Connor K.N., Sutter M. Segregating two simultaneous sounds in elevation using temporal envelope: Human psychophysics and a physiological model. J. Acoust. Soc. Am. 2015. V. 138. № 1. P 33–43. doi: 10.1121/1.4922224
  13. Lee A. K., Deane-Pratt A., Shinn-Cunningham B. G. Localization interference between components in an auditory scene. J. Acoust. Soc. Am. 2009. V. 126. P. 2543–2555. doi: 10.1121/1.3238240
  14. Litovsky R. Y., Colburn H. S., Yost W. A. Guzman S. J. The precedence effect. J. Acoust. Soc. Am. 1999. V. 106. P. 1633–1654. doi: 10.1121/1.427914
  15. Van Opstal A. J., Vliegen J. Van Esch T. Reconstructing spectral cues for sound localisation from responses to rippled noise stimuli. Plos One. 2017. V. 12. № 3. Р. e0174185. doi: 10.1371/journal.pone.0174185
  16. Vliegen J., Van Opstal A. J. The influence of duration and level on human sound localisation. J. Acoust. Soc. Am. 2004. V. 115. P. 1705–1713. doi: 10.1121/1.1687423
  17. Yao D., Li J.; Xia R., Yan Y. The role of spectral cues in vertical plane elevation perception. Acoust. Sci. & Tech.2020. V. 41. № 1. P. 435–438. doi: 10.1250/ast.41.435
  18. Yost W. A., Pastore M. T., Dorman M. F. Sound source localization is a multisystem process. Acoust Sci Technol. 2020. V. 41. P. 113. doi: 10.1250/ast.41.113

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