DOI QR코드

DOI QR Code

Subjective Listening Experiments on a Front and Rear Array-Based WFS System

  • Yoo, Jae-Hyoun (Broadcasting & Telecommunications Convergence Research Institute, ETRI) ;
  • Seo, Jeong-Il (Broadcasting & Telecommunications Convergence Research Institute, ETRI) ;
  • Shim, Hwan (Department of Electrical Engineering, Seoul National University) ;
  • Chung, Hyun-Joo (Department of Electrical Engineering, Seoul National University) ;
  • Sung, Koeng-Mo (Department of Electrical Engineering, Seoul National University) ;
  • Kang, Kyeong-Ok (Broadcasting & Telecommunications Convergence Research Institute, ETRI)
  • Received : 2010.09.07
  • Accepted : 2011.05.19
  • Published : 2011.12.31

Abstract

Wave field synthesis (WFS) has been gathering more and more attention recently due to its ability to perfectly reproduce an original sound field. However, to realize theoretically perfect WFS, a four-sided loudspeaker array that encloses the listener is required. However, it is difficult to build such a system except in large listening spaces, such as a theater or concert hall. In other words, if the listening space is a home, installing a side loudspeaker array is impractical. If the two side walls located to the left and right of the listener can be omitted, a setup using only front and rear loudspeaker arrays may be a solution. In this letter, we present a subjective listening experiment of sound localization/distance based on a WFS using a front and rear loudspeaker array system which is conducted on two listening points and shows average localization errors of $6.1^{\circ}$ and $9.18^{\circ}$, while the average distance errors are -27% (0.5 m) and -29% (0.6 m), respectively.

Keywords

References

  1. A.J. Berkhout, D. de Vries, and P. Vogel, "Acoustic Control by Wave Field Synthesis," J. Acoust. Soc. Am., vol. 93, no. 5, 1993, pp. 2764-2778. https://doi.org/10.1121/1.405852
  2. E. Verheijen, "Sound Reproduction by Wave Field Synthesis," PhD Thesis, TU Delft, 1998.
  3. G. Theile, "Wave Field Synthesis - A Promising Spatial Audio Rendering Concept," Proc. 7th Int. Conf. Digital Audio Effects, Oct. 2004, pp. 125-132.
  4. H. Wittek, "Perception of Spatially Synthesized Sound Fields," 2003. http://www.hauptmikrofon.de/wittek.htm

Cited by

  1. Effects of test method and participant musical training on preference ratings of stimuli with different reverberation times vol.142, pp.4, 2017, https://doi.org/10.1121/1.5006065