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Related Experiment Videos

Auditory distance perception in rooms.

A W Bronkhorst1, T Houtgast

  • 1TNO Human Factors Research Institute, Soesterberg, The Netherlands. bronkhorst@tm.tno.nl

Nature
|February 24, 1999
PubMed
Summary
This summary is machine-generated.

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A new model accurately predicts perceived sound distance using a modified direct-to-reverberant energy ratio. This 6-millisecond integration time explains the auditory horizon in spatial hearing.

Area of Science:

  • Acoustics
  • Psychoacoustics
  • Auditory perception

Background:

  • Perceived sound source distance depends on direct-to-reverberant sound energy ratio.
  • Previous research lacked a quantitative model for this phenomenon.
  • Virtual sound source technology enables controlled studies of distance perception.

Purpose of the Study:

  • To develop a quantitative model for perceived sound distance.
  • To investigate the role of a modified direct-to-reverberant energy ratio.
  • To explain the auditory horizon effect in auditory perception.

Main Methods:

  • Conducted two experiments using controlled, deterministic stimuli generated via virtual sound sources.
  • Applied a modified direct-to-reverberant energy ratio model.

Related Experiment Videos

  • Incorporated a 6-millisecond integration time for direct sound energy calculation.

    • Main Results:

    • The proposed model accurately predicted experimental results on perceived distance.
    • The modified ratio provided an explanation for the auditory horizon.
    • A 6-millisecond integration time was identified as crucial for direct sound energy calculation.

    Conclusions:

    • A simple, modified direct-to-reverberant energy ratio model effectively predicts perceived sound distance.
    • The 6-millisecond integration time is a key factor in spatial hearing and the auditory horizon.
    • This model advances our understanding of auditory distance perception and spatial hearing mechanisms.