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Other DRT Evaluation Examples

  • Kazuhiro Kondo
Chapter
Part of the Signals and Communication Technology book series (SCT)

Abstract

In this chapter, we will describe two other applications in which we have attempted to measure the speech intelligibility using the intelligibility test defined in earlier chapters. One application is the use of speaker-dependent maskers to mask sensitive spoken dialogue from leakage. The intelligibility of the speech with the proposed speaker-dependent maskers were measured using the JDRT. In the other application, we used a highly-directive parametric speaker array to provide audio guide in a museum or an art gallery, for instance, where the audio guide needs to be focused to a narrow area in front of the display. We attempted to measure the interference of the neighboring guide speech, and measured the effect of this interference on the intelligibility of the guide speech.

Keywords

Wooden Floor Speech Intelligibility Floor Material Masking Level Target Speech 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    Croft, J.J., Norris, J.O.: Theory, history, and the advancement of parametric loudspeaker. White paper, American Technology Corporation (2001)Google Scholar
  2. 2.
    Kano, F., Kondo, K., Miura, M., Kobayashi, Y., Nakagawa, K., Takano, K.: Evaluation of speech intelligibility using highly-directive parametric speakers in parallel positions. In: Proceedings of the Information Processing Society of Japan, Tohoku Chapter, B-2-5 (2010)Google Scholar
  3. 3.
    Komiyama, T., Kondo, K.: An efficient speech privacy system using speaker-dependent babble noise as maskers. In: Proceedings of the Inter-noise 2011. International Institute of Noise Control Engineering, Osaka (2011)Google Scholar
  4. 4.
    Komiyama, T., Kondo, K.: Speech intelligibility evaluation of the speaker-dependent babble masker in a reverberant environment. In: Proceedings of the Tohoku Section Joint Convention of the Institutes of Electrical and Information Engineers, Tagajo (2011) (in Japanese)Google Scholar
  5. 5.
    Kondo, K.: Optimum orientation of parallel parametric speakers for simultaneous guide audio with minimum crosstalk. In: Proceedings of the Inter-noise 2011. International Institute of Noise Control Engineering, Osaka (2011)Google Scholar
  6. 6.
    Pompei, F.J.: The use of airborne ultrasonics for generating audible sound beams. J. Audio Eng. Soc. 47(9), 726–731 (1999)Google Scholar
  7. 7.
    Rice University: Signal Processing Information Base (SPIB). http://spib.rice.edu/spib/select_noise.html
  8. 8.
    Westervelt, P.J.: Parametric acoustic array. J. Acoust. Soc. Am. 35(4), 535–537 (1962)CrossRefGoogle Scholar
  9. 9.
    Yoneyama, M., Fujimoto, J., Kawamo, Y., Sasabe, S.: The audio spotlight: an application of nonlinear interaction of sound waves to a new type of loudspeaker design. J. Acoust. Soc. Am. 73(5), 1532–1536 (1983)CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Department of Electrical Engineering, Graduate School of Science and EngineeringYamagata UniversityYamagataJapan

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