公开(公告)号：WO2013151918A1

公开(公告)日：2013-10-10

申请号：PCT/US2013/034772

申请日：2013-04-01

Applicant: BOSE CORPORATION ,  BAKALOS, Pericles N.

Inventor： BAKALOS, Pericles N.

IPC: H04R1/10 ,  H04R3/02 ,  G10K11/178

CPC classification number: G10K11/178 ,  G10K2210/3026 ,  G10K2210/503 ,  H04R1/1083 ,  H04R3/02

Abstract: A feedback based active noise reduction system is configured to detect actual or potential instability by detecting characteristics of the system related to potential or actual unstable behavior (e.g., oscillation) and adapt system characteristics to mitigate such instability.

Abstract translation: 基于反馈的主动降噪系统被配置为通过检测与潜在或实际不稳定行为（例如振荡）相关的系统的特性来检测实际或潜在的不稳定性，并适应系统特性以减轻这种不稳定性。

公开(公告)号：WO2013184357A3

公开(公告)日：2014-02-27

申请号：PCT/US2013042232

申请日：2013-05-22

Applicant: BOSE CORP ,  BAKALOS PERICLES N

Inventor： BAKALOS PERICLES N

IPC: G10K11/178 ,  H04R1/10

CPC classification number: G10K11/178 ,  G10K2210/1081 ,  H04R1/1083

Abstract: An apparatus includes a member configured to form an acoustic seal around a portion of an acoustic environment, and active noise reduction circuitry. The active noise reduction circuitry includes: detection circuitry configured to detect a change in pressure within the acoustic environment caused by movement of the member, and gain compensation circuitry configured to change a loop gain of a feedback loop in response to the detected change in pressure.

Abstract translation: 一种装置包括构造成围绕声环境的一部分形成声学密封的构件以及主动降噪电路。 有源噪声降低电路包括：检测电路，被配置为检测由该构件的移动引起的在声环境内的压力变化;以及增益补偿电路，其配置成响应于检测到的压力变化而改变反馈回路​​的环路增益。

公开(公告)号：WO2013184357A2

公开(公告)日：2013-12-12

申请号：PCT/US2013/042232

申请日：2013-05-22

Applicant: BOSE CORPORATION ,  BAKALOS, Pericles N.

Inventor： BAKALOS, Pericles N.

IPC: G10K11/178

CPC classification number: G10K11/178 ,  G10K2210/1081 ,  H04R1/1083

Abstract: An apparatus includes a member configured to form an acoustic seal around a portion of an acoustic environment, and active noise reduction circuitry. The active noise reduction circuitry includes: detection circuitry configured to detect a change in pressure within the acoustic environment caused by movement of the member, and gain compensation circuitry configured to change a loop gain of a feedback loop in response to the detected change in pressure.

Abstract translation: 一种装置包括构造成围绕声环境的一部分形成声学密封的构件以及主动降噪电路。 有源噪声降低电路包括：检测电路，被配置为检测由该构件的移动引起的在声环境内的压力变化;以及增益补偿电路，其配置成响应于检测到的压力变化而改变反馈回路​​的环路增益。