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Title:
音依存のANR信号処理調整
Document Type and Number:
Japanese Patent JP5960235
Kind Code:
B2
Abstract:
A method of controlling provision of active noise reduction (ANR) by an ANR circuit of a personal ANR device comprising: monitoring amplitude levels of sounds of more than one frequency that are within a piece of audio employed by the ANR circuit in providing the ANR; starting compression of an ANR reference noise sound from which an ANR anti-noise sound is derived in response to a first sound within the piece of audio having a first frequency and having an amplitude that reaches a first predetermined level; and starting compression of the ANR reference noise sound in response to a second sound within the piece of audio having a second frequency different from the first frequency and having an amplitude that reaches a second predetermined level greater than the first predetermined level.

Inventors:
Ricardo F. Carreras
Pellicles Nicholas Bacarus
Daniel M Gouger
Jason Harlow
Application Number:
JP2014252796A
Publication Date:
August 02, 2016
Filing Date:
December 15, 2014
Export Citation:
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Assignee:
BOSE CORPORATION
International Classes:
G10K11/178; H03G7/00; H03H17/00; H04R1/10
Domestic Patent References:
JP2004537940A
JP1196999A
JP2008250270A
JP2009021826A
JP2007500466A
JP9294038A
Foreign References:
US20080095383
US20030198357
US4922542
US5796850
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro