Howling Cancellation for Active Noise Control with Two Sound Sources

Shinya Kijimoto, Hideo Tanaka, Yoichi Kanemitsu, Koichi Matsuda

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

In the active noise control, a transfer characteristics of an acoustic feedback path has a considerable influence on the stability of the control system. When an acoustic system has a feedback path, the control system often causes unstable behavior called howling. An approach to prevent the howling named directional control sound source (DCSS) is investigated and compared with an ordinary approach (howling canceller) in this paper. This DSCC is composed of two sound sources and a finite impulse response (FIR) filter. Active noise control using the filtered-x LMS (Least-Mean-Square) algorithm is carried out in an L-formed duct model. It is shown that the DCSS approaches prevented the howling effectivery through the experiment.

本文言語英語
ページ(範囲)948-953
ページ数6
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
67
656
DOI
出版ステータス出版済み - 2001

All Science Journal Classification (ASJC) codes

  • 材料力学
  • 機械工学
  • 産業および生産工学

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