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논문 기본 정보

자료유형
학술대회자료
저자정보
(연세대학교) (전자부품종합기술연구소) (연세대학교)
저널정보
대한전자공학회 ICEIC : International Conference on Electronics, Informations and Communications ICEIC : 2008
발행연도
수록면
1,050 - 1,054 (5page)

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초록· 키워드

This paper compares the performance of software simulation to an actual measurement of sound beam forming with a multi-channel speaker-array system under room reverberation environment. The sound pressure distribution formed by an 8-channel speakerarray system using a delay-and-sum beam former (DSBF) is investigated. The image method is introduced to simulate reverberation environment in the software. The performance of our implemented speaker-array system is evaluated by measuring sound pressure distribution in a real test room and compared to the software simulation results. The results show that a rough sound beam to desired location can be realized even in reverberation environment, while experimental results also show that the performance of sound beam forming is mainly affected by nature of room impulse response.
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목차

  1. Abstract
  2. 1. Introduction
  3. 2. Delay-and-Sum Beam Former
  4. 3. Image Method
  5. 4. A Simulation Model of the DSBF
  6. 5. Experimental Results and Evaluation
  7. 6. Conclusions
  8. References

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UCI(KEPA) : I410-ECN-0101-2012-569-004333781