Combined inverse filtering and feedback control for robust equalization and distortion reduction in loudspeaker systems

Yusuke Kadowaki, Toshiya Samejima

研究成果: Contribution to conferencePaper査読

抄録

A method for the robust equalization and distortion reduction of loudspeakers is proposed. The proposed method adopts both an infinite impulse response (IIR) inverse filter and a feedback controller. The feedback controller based on model-following control theory is used to force a loudspeaker to move as a linear time-invariant (LTI) system. Accordingly, we expect the inverse filter that is specifically designed for the LTI system to work correctly. Furthermore, nonlinear distortion of a loudspeaker is expected to be reduced. Computer simulation shows that the proposed method achieves more robust equalization of a loudspeaker than inverse filtering alone. In addition, the proposed method simultaneously reduces nonlinear distortion of the loudspeaker.

本文言語英語
出版ステータス出版済み - 1 1 2016
イベント141st Audio Engineering Society International Convention 2016, AES 2016 - Los Angeles, 米国
継続期間: 9 29 201610 2 2016

その他

その他141st Audio Engineering Society International Convention 2016, AES 2016
Country米国
CityLos Angeles
Period9/29/1610/2/16

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Modelling and Simulation
  • Acoustics and Ultrasonics

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