KR20170097732A - 피드백 적응 잡음 소거의 성능 및 안정성 제어를 위한 회로 및 방법 - Google Patents
피드백 적응 잡음 소거의 성능 및 안정성 제어를 위한 회로 및 방법 Download PDFInfo
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- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
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- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17853—Methods, e.g. algorithms; Devices of the filter
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- G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
- G10K11/17813—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
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- G10K11/17823—Reference signals, e.g. ambient acoustic environment
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- G10K11/1783—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
- G10K11/17833—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
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- G10K11/1783—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
- G10K11/17833—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
- G10K11/17835—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels using detection of abnormal input signals
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- G—PHYSICS
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- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
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- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- G10K11/1787—General system configurations
- G10K11/17879—General system configurations using both a reference signal and an error signal
- G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
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- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
- G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
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- H04R1/1083—Reduction of ambient noise
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- G—PHYSICS
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- G10K2210/10—Applications
- G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
- G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
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- G—PHYSICS
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Abstract
Description
도 1b는 본 개시의 실시예들에 따른 결합된 헤드폰 어셈블리를 갖는 예시적인 무선 이동 전화의 예시도;
도 2는 본 개시의 실시예들에 따른 도 1에 도시된 무선 이동 전화 내의 선택된 회로들의 블록도;
도 3a는 본 개시의 실시예들에 따른 잡음-방지 신호를 생성하기 위해 피드포워드 필터링을 사용하는 도 2의 코더-디코더(CODEC: coder-decoder) 집적 회로의 예시적인 적응형 잡음 소거(ANC: Adaptive Noise Cancelling) 회로 내의 선택된 신호 프로세싱 회로들 및 기능적 블록들을 도시하는 블록도;
도 3b는 본 개시의 실시예들에 따른 잡음-방지 신호를 생성하기 위해 피드포워드 필터링을 사용하는 도 2의 코더-디코더(CODEC) 집적 회로의 예시적인 적응형 잡음 소거(ANC) 회로 내의 선택된 신호 프로세싱 회로들 및 기능적 블록들을 도시하는 블록도;
도 3c는 본 개시의 실시예들에 따른 잡음-방지 신호를 생성하기 위해 피드포워드 필터링을 사용하는 도 2의 코더-디코더(CODEC) 집적 회로의 다른 예시적인 적응형 잡음 소거(ANC) 회로 내의 선택된 신호 프로세싱 회로들 및 기능적 블록들을 도시하는 블록도;
도 4는 본 개시의 실시예들에 따른 2차 추정 필터의 이득의 함수로서 이벤트 검출 및 감시 제어 블록(oversight control block)에 의해 계산된 예시적인 이득을 묘사하는 그래프를 도시한 도면;
도 5는 본 개시의 실시예들에 따른 잡음 부스트 추정(noise boost estimate)의 이득의 함수로서 이벤트 검출 및 감시 제어 블록에 의해 계산된 예시적인 이득을 묘사하는 그래프를 도시한 도면;
도 6은 본 개시의 실시예들에 따른 하울링 또는 에러 마이크로폰 클리핑이 존재할 때, 프로그램 가능한 이득 소자의 이득을 제어하기 위한 예시적인 방법의 흐름도;
도 7은 본 개시의 실시예들에 따른 노치 필터의 응답을 구현하기 위해 사용될 수 있는 예시적인 필터 구조의 블록도.
Claims (24)
- 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로에 있어서:
청취자로의 재생을 위한 소스 오디오 신호 및 변환기의 음향 출력에서의 주변 오디오 사운드들의 효과에 대항하기 위한 잡음-방지 신호 양자 모두를 포함하는 출력 신호를 상기 변환기에 제공하기 위한 출력;
상기 변환기의 상기 출력 및 상기 변환기에서 상기 주변 오디오 사운드들을 나타내는 에러 마이크로폰 신호를 수신하기 위한 에러 마이크로폰 입력; 및
프로세싱 회로를 포함하고,
상기 프로세싱 회로는,
피드백 경로로서:
상기 에러 마이크로폰 신호에 기초하여 피드백 잡음-방지 신호를 발생시키는 응답을 갖는 피드백 필터; 및
상기 피드백 필터와 직렬인 가변 이득 소자를 포함하는, 상기 피드백 경로; 및
상기 피드백 필터로 하여금 상기 잡음-방지 신호에서 바람직하지 않은 성분을 발생시킬 수 있는 주변 오디오 이벤트가 발생하고 있음을 검출하고, 상기 바람직하지 않은 성분을 감소시키기 위해 상기 가변 이득 소자의 이득을 제어하는 이벤트 검출 및 감시 제어를 구현하는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 1 항에 있어서,
상기 프로세싱 회로는 또한 특정 주파수 범위들에서 상기 피드백 필터의 상기 응답을 감소시키기 위해 상기 피드백 필터와 직렬인 상기 피드백 경로에서 적응형 노치 필터를 구현하는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 1 항에 있어서,
상기 프로세싱 회로는 또한:
상기 소스 오디오 신호의 전기-음향 경로를 모델링하고 상기 소스 오디오 신호로부터 2차 경로 추정을 발생시키는 응답을 갖도록 구성되는 2차 경로 추정 필터; 및
재생 정정 에러를 최소화하도록 상기 2차 경로 추정 필터의 응답을 적응시킴으로써 상기 소스 오디오 신호 및 상기 재생 정정 에러에 따라 상기 2차 경로 추정 필터의 응답을 형상화하는 2차 경로 추정 계수 제어 블록으로서, 상기 재생 정정 에러는 상기 에러 마이크로폰 신호 및 상기 2차 경로 추정 사이의 차이에 기초하는, 상기 2차 경로 추정 계수 제어 블록을 구현하는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 3 항에 있어서,
상기 주변 오디오 이벤트는 상기 2차 경로 추정 필터의 상기 응답에서의 변화인, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 3 항에 있어서,
상기 이벤트 검출 및 감시 제어는, 상기 가변 이득 소자의 이득이 상기 2차 경로 추정 필터의 상기 응답의 이득이 감소할 때 증가하고, 상기 2차 경로 추정 필터의 상기 응답의 상기 이득이 증가할 때 감소하도록, 상기 가변 이득 소자의 이득을 제어하는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 3 항에 있어서,
상기 주변 오디오 사운드들을 나타내는 기준 마이크로폰 신호를 수신하기 위한 기준 마이크로폰 입력을 더 포함하고, 상기 주변 오디오 이벤트는 상기 집적 회로의 잡음 부스트에서의 변화이고, 또한 상기 잡음 부스트는 상기 재생 정정 에러의 크기 및 상기 기준 마이크로폰 신호의 크기 사이의 차이에 기초하는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 6 항에 있어서,
상기 이벤트 검출 및 감시 제어는, 상기 가변 이득 소자의 이득이 상기 잡음 부스트가 감소할 때 증가하고, 상기 잡음 부스트가 증가할 때 감소하도록, 상기 가변 이득 소자의 이득을 제어하는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 1 항에 있어서,
상기 주변 오디오 사운드들을 나타내는 기준 마이크로폰 신호를 수신하기 위한 기준 마이크로폰 입력을 더 포함하고, 상기 주변 오디오 이벤트는 상기 변환기와 상기 기준 마이크로폰 사이의 연결의 변경으로 인해 상기 기준 마이크로폰을 통하는 포지티브 피드백으로 인한 신호인, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 8 항에 있어서,
상기 이벤트 검출 및 감시 제어는 포지티브 피드백으로 인한 상기 신호가 소거될 때까지 상기 가변 이득 소자의 이득을 감쇠시키는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 1 항에 있어서,
상기 주변 오디오 이벤트는 상기 변환기 및 상기 에러 마이크로폰 사이의 연결의 변경으로 인해 상기 에러 마이크로폰을 통하는 포지티브 피드백으로 인한 신호인, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 제 10 항에 있어서,
상기 이벤트 검출 및 감시 제어는 포지티브 피드백으로 인한 상기 신호가 소거될 때까지 상기 가변 이득 소자의 이득을 감쇠시키는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로에 있어서:
청취자로의 재생을 위한 소스 오디오 신호 및 변환기의 음향 출력에서의 주변 오디오 사운드들의 효과에 대항하기 위한 잡음-방지 신호 양자 모두를 포함하는 출력 신호를 상기 변환기에 제공하기 위한 출력;
상기 변환기의 상기 출력 및 상기 변환기에서 상기 주변 오디오 사운드들을 나타내는 에러 마이크로폰 신호를 수신하기 위한 에러 마이크로폰 입력; 및
프로세싱 회로로서:
피드백 경로로서:
상기 에러 마이크로폰 신호에 기초하여 피드백 잡음-방지 신호를 발생시키는 응답을 갖는 피드백 필터; 및
특정 주파수 범위들에서 상기 피드백 필터의 상기 응답을 감소시키기 위해 상기 피드백 필터와 직렬인 상기 피드백 경로 내의 적응형 노치 필터를 포함하는, 상기 피드백 경로를 구현하는, 상기 프로세싱 회로를 포함하는, 개인용 오디오 장치의 적어도 일부를 구현하기 위한 집적 회로. - 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법에 있어서:
상기 변환기의 출력 및 상기 변환기에서 상기 주변 오디오 사운드들을 나타내는 에러 마이크로폰 신호를 수신하는 단계;
상기 변환기의 음향 출력에서 주변 오디오 사운드들의 효과들에 대항하기 위해 잡음-방지 신호를 발생시키는 단계로서,
상기 에러 마이크로폰 신호에 기초하여 피드백 잡음-방지 신호를 발생시키는 응답을 갖는 피드백 필터를 적응시키는 단계; 및
상기 피드백 필터와 직렬인 가변 이득 소자를 적응시키는 단계를 포함하는, 상기 잡음-방지 신호를 발생시키는 단계;
상기 피드백 필터로 하여금 상기 잡음-방지 신호에서 바람직하지 않은 성분을 발생시킬 수 있는 주변 오디오 이벤트가 발생하였는지 여부를 모니터링하고, 상기 바람직하지 않은 성분을 감소시키기 위해 상기 가변 이득 소자의 이득을 제어하는 단계; 및
상기 변환기에 제공된 오디오 신호를 발생시키기 위해 상기 잡음-방지 신호를 소스 오디오 신호와 결합하는 단계를 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 13 항에 있어서,
특정 주파수 범위들에서 상기 피드백 필터의 상기 응답을 감소시키기 위해 상기 피드백 필터와 직렬인 적응형 노치 필터를 적용하는 단계를 더 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 13 항에 있어서:
상기 소스 오디오 신호를 상기 소스 오디오 신호의 전기-음향 경로를 모델링하는 2차 경로 추정 필터로 필터링함으로써 상기 소스 오디오 신호로부터 2차 경로 추정을 발생시키는 단계; 및
재생 정정 에러를 최소화하도록 상기 2차 경로 추정 필터를 적응시키는 단계로서, 상기 재생 정정 에러는 상기 에러 마이크로폰 신호 및 상기 2차 경로 추정 사이의 차이에 기초하는, 상기 2차 경로 추정 필터를 적응시키는 단계를 더 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 15 항에 있어서,
상기 주변 오디오 이벤트는 상기 2차 경로 추정 필터의 상기 응답에서의 변화인, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 15 항에 있어서,
상기 2차 경로 추정 필터의 상기 응답의 이득이 감소할 때 상기 가변 이득 소자의 상기 이득을 증가시키는 단계, 및 상기 2차 경로 추정 필터의 상기 응답의 이득이 증가할 때 상기 가변 이득 소자의 상기 이득을 감소시키는 단계를 더 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 15 항에 있어서,
상기 주변 오디오 사운드들을 나타내는 기준 마이크로폰 신호를 수신하는 단계를 더 포함하고, 상기 주변 오디오 이벤트는 상기 집적 회로의 잡음 부스트에서의 변화이고, 또한 상기 잡음 부스트는 상기 재생 정정 에러의 크기 및 상기 기준 마이크로폰 신호의 크기 사이의 차이에 기초하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 18 항에 있어서,
상기 가변 이득 소자의 이득이 상기 잡음 부스트가 감소할 때 증가하고, 상기 잡음 부스트가 증가할 때 감소하도록, 상기 가변 이득 소자의 이득을 제어하는 단계를 더 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 13 항에 있어서,
상기 주변 오디오 사운드들을 나타내는 기준 마이크로폰 신호를 수신하는 단계를 더 포함하고, 상기 주변 오디오 이벤트는 상기 변환기 및 상기 기준 마이크로폰 사이의 연결의 변경으로 인해 상기 기준 마이크로폰을 통하는 포지티브 피드백으로 인한 신호인, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 20 항에 있어서,
상기 포지티브 피드백으로 인해 신호가 소거될 때까지 상기 가변 이득 소자의 이득을 감쇠시키는 단계를 더 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 13 항에 있어서,
상기 주변 오디오 이벤트는 상기 변환기와 상기 에러 마이크로폰 사이의 연결의 변경으로 인해 상기 에러 마이크로폰을 통하는 포지티브 피드백으로 인한 신호인, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 제 22 항에 있어서,
상기 포지티브 피드백으로 인해 신호가 소거될 때까지 상기 가변 이득 소자의 상기 이득을 감쇠시키는 단계를 더 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법. - 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법에 있어서:
상기 변환기의 출력 및 상기 변환기에서 상기 주변 오디오 사운드들을 나타내는 에러 마이크로폰 신호를 수신하는 단계;
상기 변환기의 음향 출력에서의 주변 오디오 사운드들의 효과들에 대항하기 위해 잡음-방지 신호를 발생시키는 단계로서:
상기 에러 마이크로폰 신호에 기초하여 피드백 잡음-방지 신호를 발생시키는 응답을 갖는 피드백 필터를 적응시키는 단계; 및
특정 주파수 범위들에서 상기 피드백 필터의 상기 응답을 감소시키기 위해 상기 피드백 필터와 직렬인 적응형 노치 필터를 적응시키는 단계를 포함하는, 상기 잡음-방지 신호를 발생시키는 단계; 및
상기 변환기에 제공된 오디오 신호를 발생시키기 위해 상기 잡음-방지 신호를 소스 오디오 신호와 결합하는 단계를 포함하는, 변환기의 부근에서의 주변 오디오 사운드들을 소거하기 위한 방법.
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| US14/577,519 US9552805B2 (en) | 2014-12-19 | 2014-12-19 | Systems and methods for performance and stability control for feedback adaptive noise cancellation |
| PCT/US2015/066260 WO2016100602A1 (en) | 2014-12-19 | 2015-12-17 | Circuit and method for performance and stability control of feedback adaptive noise cancellation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20220091151A (ko) * | 2020-12-23 | 2022-06-30 | 현대자동차주식회사 | 차량용 능동 소음 제어 장치 및 그 제어 방법 |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2647002B1 (en) | 2010-12-03 | 2024-01-31 | Cirrus Logic, Inc. | Oversight control of an adaptive noise canceler in a personal audio device |
| US8908877B2 (en) | 2010-12-03 | 2014-12-09 | Cirrus Logic, Inc. | Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices |
| US9824677B2 (en) | 2011-06-03 | 2017-11-21 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
| US9318094B2 (en) | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
| US8958571B2 (en) | 2011-06-03 | 2015-02-17 | Cirrus Logic, Inc. | MIC covering detection in personal audio devices |
| US9318090B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system |
| US9123321B2 (en) | 2012-05-10 | 2015-09-01 | Cirrus Logic, Inc. | Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system |
| US9532139B1 (en) | 2012-09-14 | 2016-12-27 | Cirrus Logic, Inc. | Dual-microphone frequency amplitude response self-calibration |
| US9414150B2 (en) | 2013-03-14 | 2016-08-09 | Cirrus Logic, Inc. | Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device |
| US10206032B2 (en) | 2013-04-10 | 2019-02-12 | Cirrus Logic, Inc. | Systems and methods for multi-mode adaptive noise cancellation for audio headsets |
| US9478210B2 (en) | 2013-04-17 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
| US9578432B1 (en) | 2013-04-24 | 2017-02-21 | Cirrus Logic, Inc. | Metric and tool to evaluate secondary path design in adaptive noise cancellation systems |
| US9666176B2 (en) | 2013-09-13 | 2017-05-30 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path |
| US9620101B1 (en) | 2013-10-08 | 2017-04-11 | Cirrus Logic, Inc. | Systems and methods for maintaining playback fidelity in an audio system with adaptive noise cancellation |
| US9704472B2 (en) | 2013-12-10 | 2017-07-11 | Cirrus Logic, Inc. | Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system |
| US10219071B2 (en) | 2013-12-10 | 2019-02-26 | Cirrus Logic, Inc. | Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation |
| US10382864B2 (en) | 2013-12-10 | 2019-08-13 | Cirrus Logic, Inc. | Systems and methods for providing adaptive playback equalization in an audio device |
| US10181315B2 (en) | 2014-06-13 | 2019-01-15 | Cirrus Logic, Inc. | Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system |
| US9478212B1 (en) | 2014-09-03 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for use of adaptive secondary path estimate to control equalization in an audio device |
| US10609475B2 (en) | 2014-12-05 | 2020-03-31 | Stages Llc | Active noise control and customized audio system |
| US9552805B2 (en) | 2014-12-19 | 2017-01-24 | Cirrus Logic, Inc. | Systems and methods for performance and stability control for feedback adaptive noise cancellation |
| JP6964581B2 (ja) | 2015-08-20 | 2021-11-10 | シーラス ロジック インターナショナル セミコンダクター リミテッド | 固定応答フィルタによって部分的に提供されるフィードバック応答を有するフィードバック適応雑音消去(anc)コントローラおよび方法 |
| US9578415B1 (en) | 2015-08-21 | 2017-02-21 | Cirrus Logic, Inc. | Hybrid adaptive noise cancellation system with filtered error microphone signal |
| US9728179B2 (en) | 2015-10-16 | 2017-08-08 | Avnera Corporation | Calibration and stabilization of an active noise cancelation system |
| JP6757416B2 (ja) * | 2015-11-06 | 2020-09-16 | シーラス ロジック インターナショナル セミコンダクター リミテッド | 適応雑音除去システムにおけるフィードバックハウル管理 |
| EP3182406B1 (en) * | 2015-12-16 | 2020-04-01 | Harman Becker Automotive Systems GmbH | Sound reproduction with active noise control in a helmet |
| US10013966B2 (en) | 2016-03-15 | 2018-07-03 | Cirrus Logic, Inc. | Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device |
| US10945080B2 (en) | 2016-11-18 | 2021-03-09 | Stages Llc | Audio analysis and processing system |
| US10276145B2 (en) * | 2017-04-24 | 2019-04-30 | Cirrus Logic, Inc. | Frequency-domain adaptive noise cancellation system |
| US10339910B2 (en) | 2017-08-31 | 2019-07-02 | GM Global Technology Operations LLC | System and method for cancelling objectionable wind noise in a vehicle cabin |
| EP3451327B1 (en) * | 2017-09-01 | 2023-01-25 | ams AG | Noise cancellation system, noise cancellation headphone and noise cancellation method |
| GB201804129D0 (en) * | 2017-12-15 | 2018-05-02 | Cirrus Logic Int Semiconductor Ltd | Proximity sensing |
| US10681458B2 (en) | 2018-06-11 | 2020-06-09 | Cirrus Logic, Inc. | Techniques for howling detection |
| JP7346014B2 (ja) * | 2018-07-25 | 2023-09-19 | 株式会社日立産機システム | フィードバック制御系の自動調整方法およびフィードバック制御装置 |
| US10957334B2 (en) * | 2018-12-18 | 2021-03-23 | Qualcomm Incorporated | Acoustic path modeling for signal enhancement |
| US10714073B1 (en) * | 2019-04-30 | 2020-07-14 | Synaptics Incorporated | Wind noise suppression for active noise cancelling systems and methods |
| US10748521B1 (en) * | 2019-06-19 | 2020-08-18 | Bose Corporation | Real-time detection of conditions in acoustic devices |
| EP3799032B1 (en) * | 2019-09-30 | 2024-05-01 | ams AG | Audio system and signal processing method for an ear mountable playback device |
| CN111081214B (zh) * | 2019-12-12 | 2022-08-16 | 西安讯飞超脑信息科技有限公司 | 主动降噪方法及主动降噪装置的反馈滤波器的优化方法 |
| DK4009661T3 (en) * | 2020-12-07 | 2024-12-16 | Bang & Olufsen As | Adjustable sidetone and active noise cancellation in headphones and similar devices |
| JP7482016B2 (ja) * | 2020-12-17 | 2024-05-13 | 株式会社東芝 | 故障検知装置、方法およびプログラム |
| DE102022201942B4 (de) * | 2022-02-24 | 2025-04-03 | Sivantos Pte. Ltd. | Verfahren zur Reduktion von Echo in einem Hörinstrument |
| CN116801156B (zh) * | 2023-08-03 | 2024-06-07 | 荣耀终端有限公司 | 一种啸叫检测方法、装置、耳机、电子设备及存储介质 |
| CN118102177B (zh) * | 2024-04-26 | 2024-07-05 | 江西红声技术有限公司 | 一种基于高噪声环境声音采集自动增益控制电路 |
| US20260222746A1 (en) * | 2025-01-29 | 2026-07-30 | Starkey Laboratories, Inc. | Howling prevention algorithm for hearing aids |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040196992A1 (en) * | 2003-04-01 | 2004-10-07 | Ryan Jim G. | System and method for detecting the insertion or removal of a hearing instrument from the ear canal |
| JP2006217542A (ja) * | 2005-02-07 | 2006-08-17 | Yamaha Corp | ハウリング抑制装置および拡声装置 |
| US20100272283A1 (en) * | 2009-04-28 | 2010-10-28 | Carreras Ricardo F | Digital high frequency phase compensation |
| US20110249826A1 (en) * | 2008-12-18 | 2011-10-13 | Koninklijke Philips Electronics N.V. | Active audio noise cancelling |
| US20120057720A1 (en) * | 2009-05-11 | 2012-03-08 | Koninklijke Philips Electronics N.V. | Audio noise cancelling |
| US20120140943A1 (en) * | 2010-12-03 | 2012-06-07 | Hendrix Jon D | Oversight control of an adaptive noise canceler in a personal audio device |
| US20130301842A1 (en) * | 2012-05-10 | 2013-11-14 | Cirrus Logic, Inc. | Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices |
| US20140126735A1 (en) * | 2012-11-02 | 2014-05-08 | Daniel M. Gauger, Jr. | Reducing Occlusion Effect in ANR Headphones |
| US20140307887A1 (en) * | 2013-04-16 | 2014-10-16 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
Family Cites Families (291)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH066246B2 (ja) | 1984-04-04 | 1994-01-26 | 三菱電機株式会社 | 放電加工装置 |
| JPH0798592B2 (ja) | 1987-03-19 | 1995-10-25 | キヤノン株式会社 | 分配器及び該分配器を用いた保持装置 |
| US5117461A (en) | 1989-08-10 | 1992-05-26 | Mnc, Inc. | Electroacoustic device for hearing needs including noise cancellation |
| US5117401A (en) | 1990-08-16 | 1992-05-26 | Hughes Aircraft Company | Active adaptive noise canceller without training mode |
| JP3471370B2 (ja) | 1991-07-05 | 2003-12-02 | 本田技研工業株式会社 | 能動振動制御装置 |
| US5548681A (en) | 1991-08-13 | 1996-08-20 | Kabushiki Kaisha Toshiba | Speech dialogue system for realizing improved communication between user and system |
| JP2939017B2 (ja) | 1991-08-30 | 1999-08-25 | 日産自動車株式会社 | 能動型騒音制御装置 |
| US5359662A (en) | 1992-04-29 | 1994-10-25 | General Motors Corporation | Active noise control system |
| US5321759A (en) | 1992-04-29 | 1994-06-14 | General Motors Corporation | Active noise control system for attenuating engine generated noise |
| US5251263A (en) | 1992-05-22 | 1993-10-05 | Andrea Electronics Corporation | Adaptive noise cancellation and speech enhancement system and apparatus therefor |
| NO175798C (no) | 1992-07-22 | 1994-12-07 | Sinvent As | Fremgangsmåte og anordning til aktiv stöydemping i et lokalt område |
| US5278913A (en) | 1992-07-28 | 1994-01-11 | Nelson Industries, Inc. | Active acoustic attenuation system with power limiting |
| JP2924496B2 (ja) | 1992-09-30 | 1999-07-26 | 松下電器産業株式会社 | 騒音制御装置 |
| KR0130635B1 (ko) | 1992-10-14 | 1998-04-09 | 모리시타 요이찌 | 연소 장치의 적응 소음 시스템 |
| GB9222103D0 (en) | 1992-10-21 | 1992-12-02 | Lotus Car | Adaptive control system |
| JP2929875B2 (ja) | 1992-12-21 | 1999-08-03 | 日産自動車株式会社 | 能動型騒音制御装置 |
| JP3272438B2 (ja) | 1993-02-01 | 2002-04-08 | 芳男 山崎 | 信号処理システムおよび処理方法 |
| US5465413A (en) | 1993-03-05 | 1995-11-07 | Trimble Navigation Limited | Adaptive noise cancellation |
| US5909498A (en) | 1993-03-25 | 1999-06-01 | Smith; Jerry R. | Transducer device for use with communication apparatus |
| US5481615A (en) | 1993-04-01 | 1996-01-02 | Noise Cancellation Technologies, Inc. | Audio reproduction system |
| US5425105A (en) | 1993-04-27 | 1995-06-13 | Hughes Aircraft Company | Multiple adaptive filter active noise canceller |
| AU7355594A (en) | 1993-06-23 | 1995-01-17 | Noise Cancellation Technologies, Inc. | Variable gain active noise cancellation system with improved residual noise sensing |
| US7103188B1 (en) | 1993-06-23 | 2006-09-05 | Owen Jones | Variable gain active noise cancelling system with improved residual noise sensing |
| JPH07248778A (ja) | 1994-03-09 | 1995-09-26 | Fujitsu Ltd | 適応フィルタの係数更新方法 |
| JPH07325588A (ja) | 1994-06-02 | 1995-12-12 | Matsushita Seiko Co Ltd | 消音装置 |
| JP3385725B2 (ja) | 1994-06-21 | 2003-03-10 | ソニー株式会社 | 映像を伴うオーディオ再生装置 |
| US5586190A (en) | 1994-06-23 | 1996-12-17 | Digisonix, Inc. | Active adaptive control system with weight update selective leakage |
| JPH0823373A (ja) | 1994-07-08 | 1996-01-23 | Kokusai Electric Co Ltd | 通話器回路 |
| US5815582A (en) | 1994-12-02 | 1998-09-29 | Noise Cancellation Technologies, Inc. | Active plus selective headset |
| JP2843278B2 (ja) | 1995-07-24 | 1999-01-06 | 松下電器産業株式会社 | 騒音制御型送受話器 |
| US5699437A (en) | 1995-08-29 | 1997-12-16 | United Technologies Corporation | Active noise control system using phased-array sensors |
| US6434246B1 (en) | 1995-10-10 | 2002-08-13 | Gn Resound As | Apparatus and methods for combining audio compression and feedback cancellation in a hearing aid |
| GB2307617B (en) | 1995-11-24 | 2000-01-12 | Nokia Mobile Phones Ltd | Telephones with talker sidetone |
| KR19980702171A (ko) | 1995-12-15 | 1998-07-15 | 요트. 게. 아. 롤페즈 | 적응잡음 제거장치, 잡음감소 시스템과 트랜시버 |
| US5706344A (en) | 1996-03-29 | 1998-01-06 | Digisonix, Inc. | Acoustic echo cancellation in an integrated audio and telecommunication system |
| US6850617B1 (en) | 1999-12-17 | 2005-02-01 | National Semiconductor Corporation | Telephone receiver circuit with dynamic sidetone signal generator controlled by voice activity detection |
| US5832095A (en) | 1996-10-18 | 1998-11-03 | Carrier Corporation | Noise canceling system |
| JPH10190589A (ja) | 1996-12-17 | 1998-07-21 | Texas Instr Inc <Ti> | 適応ノイズ制御システムおよびオンラインフィードバック経路モデル化およびオンライン2次経路モデル化方法 |
| US5991418A (en) | 1996-12-17 | 1999-11-23 | Texas Instruments Incorporated | Off-line path modeling circuitry and method for off-line feedback path modeling and off-line secondary path modeling |
| JP3541339B2 (ja) | 1997-06-26 | 2004-07-07 | 富士通株式会社 | マイクロホンアレイ装置 |
| WO1999005998A1 (en) | 1997-07-29 | 1999-02-11 | Telex Communications, Inc. | Active noise cancellation aircraft headset system |
| TW392416B (en) | 1997-08-18 | 2000-06-01 | Noise Cancellation Tech | Noise cancellation system for active headsets |
| GB9717816D0 (en) | 1997-08-21 | 1997-10-29 | Sec Dep For Transport The | Telephone handset noise supression |
| FI973455A7 (fi) | 1997-08-22 | 1999-02-23 | Nokia Corp | Menetelmä ja järjestely melun vaimentamiseksi tilassa muodostamalla vastamelua |
| US6219427B1 (en) | 1997-11-18 | 2001-04-17 | Gn Resound As | Feedback cancellation improvements |
| US6282176B1 (en) | 1998-03-20 | 2001-08-28 | Cirrus Logic, Inc. | Full-duplex speakerphone circuit including a supplementary echo suppressor |
| WO1999053476A1 (en) | 1998-04-15 | 1999-10-21 | Fujitsu Limited | Active noise controller |
| JP2955855B1 (ja) | 1998-04-24 | 1999-10-04 | ティーオーエー株式会社 | 能動型雑音除去装置 |
| JP2000089770A (ja) | 1998-07-16 | 2000-03-31 | Matsushita Electric Ind Co Ltd | 騒音制御装置 |
| EP0973151B8 (en) | 1998-07-16 | 2009-02-25 | Panasonic Corporation | Noise control system |
| US6434247B1 (en) | 1999-07-30 | 2002-08-13 | Gn Resound A/S | Feedback cancellation apparatus and methods utilizing adaptive reference filter mechanisms |
| ATE289152T1 (de) | 1999-09-10 | 2005-02-15 | Starkey Lab Inc | Audiosignalverarbeitung |
| US6526140B1 (en) | 1999-11-03 | 2003-02-25 | Tellabs Operations, Inc. | Consolidated voice activity detection and noise estimation |
| US6606382B2 (en) | 2000-01-27 | 2003-08-12 | Qualcomm Incorporated | System and method for implementation of an echo canceller |
| GB2360165A (en) | 2000-03-07 | 2001-09-12 | Central Research Lab Ltd | A method of improving the audibility of sound from a loudspeaker located close to an ear |
| US6766292B1 (en) | 2000-03-28 | 2004-07-20 | Tellabs Operations, Inc. | Relative noise ratio weighting techniques for adaptive noise cancellation |
| JP2002010355A (ja) | 2000-06-26 | 2002-01-11 | Casio Comput Co Ltd | 通信装置、及び携帯電話機 |
| SG106582A1 (en) | 2000-07-05 | 2004-10-29 | Univ Nanyang | Active noise control system with on-line secondary path modeling |
| US7058463B1 (en) | 2000-12-29 | 2006-06-06 | Nokia Corporation | Method and apparatus for implementing a class D driver and speaker system |
| US6768795B2 (en) | 2001-01-11 | 2004-07-27 | Telefonaktiebolaget Lm Ericsson (Publ) | Side-tone control within a telecommunication instrument |
| US6940982B1 (en) | 2001-03-28 | 2005-09-06 | Lsi Logic Corporation | Adaptive noise cancellation (ANC) for DVD systems |
| US6996241B2 (en) | 2001-06-22 | 2006-02-07 | Trustees Of Dartmouth College | Tuned feedforward LMS filter with feedback control |
| AUPR604201A0 (en) | 2001-06-29 | 2001-07-26 | Hearworks Pty Ltd | Telephony interface apparatus |
| CA2354808A1 (en) | 2001-08-07 | 2003-02-07 | King Tam | Sub-band adaptive signal processing in an oversampled filterbank |
| WO2003015074A1 (en) | 2001-08-08 | 2003-02-20 | Nanyang Technological University,Centre For Signal Processing. | Active noise control system with on-line secondary path modeling |
| CA2354858A1 (en) | 2001-08-08 | 2003-02-08 | Dspfactory Ltd. | Subband directional audio signal processing using an oversampled filterbank |
| DK1470736T3 (da) | 2002-01-12 | 2011-07-11 | Oticon As | Høreapparat ufølsomt over for vindstøj |
| WO2007106399A2 (en) | 2006-03-10 | 2007-09-20 | Mh Acoustics, Llc | Noise-reducing directional microphone array |
| US20100284546A1 (en) | 2005-08-18 | 2010-11-11 | Debrunner Victor | Active noise control algorithm that requires no secondary path identification based on the SPR property |
| JP3898983B2 (ja) | 2002-05-31 | 2007-03-28 | 株式会社ケンウッド | 音響装置 |
| US7242762B2 (en) | 2002-06-24 | 2007-07-10 | Freescale Semiconductor, Inc. | Monitoring and control of an adaptive filter in a communication system |
| AU2003261203A1 (en) | 2002-07-19 | 2004-02-09 | The Penn State Research Foundation | A linear independent method for noninvasive online secondary path modeling |
| CA2399159A1 (en) | 2002-08-16 | 2004-02-16 | Dspfactory Ltd. | Convergence improvement for oversampled subband adaptive filters |
| US6917688B2 (en) | 2002-09-11 | 2005-07-12 | Nanyang Technological University | Adaptive noise cancelling microphone system |
| US8005230B2 (en) | 2002-12-20 | 2011-08-23 | The AVC Group, LLC | Method and system for digitally controlling a multi-channel audio amplifier |
| US7885420B2 (en) | 2003-02-21 | 2011-02-08 | Qnx Software Systems Co. | Wind noise suppression system |
| US7895036B2 (en) | 2003-02-21 | 2011-02-22 | Qnx Software Systems Co. | System for suppressing wind noise |
| WO2004077806A1 (en) | 2003-02-27 | 2004-09-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Audibility enhancement |
| US7242778B2 (en) | 2003-04-08 | 2007-07-10 | Gennum Corporation | Hearing instrument with self-diagnostics |
| US7643641B2 (en) | 2003-05-09 | 2010-01-05 | Nuance Communications, Inc. | System for communication enhancement in a noisy environment |
| GB2401744B (en) | 2003-05-14 | 2006-02-15 | Ultra Electronics Ltd | An adaptive control unit with feedback compensation |
| JP3946667B2 (ja) | 2003-05-29 | 2007-07-18 | 松下電器産業株式会社 | 能動型騒音低減装置 |
| US7142894B2 (en) | 2003-05-30 | 2006-11-28 | Nokia Corporation | Mobile phone for voice adaptation in socially sensitive environment |
| US20050117754A1 (en) | 2003-12-02 | 2005-06-02 | Atsushi Sakawaki | Active noise cancellation helmet, motor vehicle system including the active noise cancellation helmet, and method of canceling noise in helmet |
| US7466838B1 (en) | 2003-12-10 | 2008-12-16 | William T. Moseley | Electroacoustic devices with noise-reducing capability |
| EP1577879B1 (en) | 2004-03-17 | 2008-07-23 | Harman Becker Automotive Systems GmbH | Active noise tuning system, use of such a noise tuning system and active noise tuning method |
| US7492889B2 (en) | 2004-04-23 | 2009-02-17 | Acoustic Technologies, Inc. | Noise suppression based on bark band wiener filtering and modified doblinger noise estimate |
| US20060018460A1 (en) | 2004-06-25 | 2006-01-26 | Mccree Alan V | Acoustic echo devices and methods |
| US20060035593A1 (en) | 2004-08-12 | 2006-02-16 | Motorola, Inc. | Noise and interference reduction in digitized signals |
| DK200401280A (da) | 2004-08-24 | 2006-02-25 | Oticon As | Lavfrekvens fase matchning til mikrofoner |
| EP1880699B1 (en) | 2004-08-25 | 2015-10-07 | Sonova AG | Method for manufacturing an earplug |
| KR100558560B1 (ko) | 2004-08-27 | 2006-03-10 | 삼성전자주식회사 | 반도체 소자 제조를 위한 노광 장치 |
| CA2481629A1 (en) | 2004-09-15 | 2006-03-15 | Dspfactory Ltd. | Method and system for active noise cancellation |
| US7555081B2 (en) | 2004-10-29 | 2009-06-30 | Harman International Industries, Incorporated | Log-sampled filter system |
| JP2006197075A (ja) | 2005-01-12 | 2006-07-27 | Yamaha Corp | マイクロフォンおよび拡声装置 |
| KR100677433B1 (ko) | 2005-02-11 | 2007-02-02 | 엘지전자 주식회사 | 이동 통신 단말기의 모노 및 스테레오 음원 출력 장치 |
| US7680456B2 (en) | 2005-02-16 | 2010-03-16 | Texas Instruments Incorporated | Methods and apparatus to perform signal removal in a low intermediate frequency receiver |
| US7330739B2 (en) | 2005-03-31 | 2008-02-12 | Nxp B.V. | Method and apparatus for providing a sidetone in a wireless communication device |
| EP1732352B1 (en) | 2005-04-29 | 2015-10-21 | Nuance Communications, Inc. | Detection and suppression of wind noise in microphone signals |
| US20060262938A1 (en) | 2005-05-18 | 2006-11-23 | Gauger Daniel M Jr | Adapted audio response |
| EP1727131A2 (en) | 2005-05-26 | 2006-11-29 | Yamaha Hatsudoki Kabushiki Kaisha | Noise cancellation helmet, motor vehicle system including the noise cancellation helmet and method of canceling noise in helmet |
| WO2006128768A1 (en) | 2005-06-03 | 2006-12-07 | Thomson Licensing | Loudspeaker driver with integrated microphone |
| US7744082B2 (en) | 2005-06-14 | 2010-06-29 | Glory Ltd. | Paper-sheet feeding device with kicker roller |
| WO2007011337A1 (en) | 2005-07-14 | 2007-01-25 | Thomson Licensing | Headphones with user-selectable filter for active noise cancellation |
| CN1897054A (zh) | 2005-07-14 | 2007-01-17 | 松下电器产业株式会社 | 可根据声音种类发出警报的传输装置及方法 |
| JP4818014B2 (ja) | 2005-07-28 | 2011-11-16 | 株式会社東芝 | 信号処理装置 |
| DK1750483T3 (da) | 2005-08-02 | 2011-02-21 | Gn Resound As | Høreapparat med vindstøjsundertrykkelse |
| JP4262703B2 (ja) | 2005-08-09 | 2009-05-13 | 本田技研工業株式会社 | 能動型騒音制御装置 |
| US20070047742A1 (en) | 2005-08-26 | 2007-03-01 | Step Communications Corporation, A Nevada Corporation | Method and system for enhancing regional sensitivity noise discrimination |
| EP1938274A2 (en) | 2005-09-12 | 2008-07-02 | D.V.P. Technologies Ltd. | Medical image processing |
| JP4742226B2 (ja) | 2005-09-28 | 2011-08-10 | 国立大学法人九州大学 | 能動消音制御装置及び方法 |
| JPWO2007046435A1 (ja) | 2005-10-21 | 2009-04-23 | パナソニック株式会社 | 騒音制御装置 |
| US8345890B2 (en) | 2006-01-05 | 2013-01-01 | Audience, Inc. | System and method for utilizing inter-microphone level differences for speech enhancement |
| US8744844B2 (en) | 2007-07-06 | 2014-06-03 | Audience, Inc. | System and method for adaptive intelligent noise suppression |
| US8194880B2 (en) | 2006-01-30 | 2012-06-05 | Audience, Inc. | System and method for utilizing omni-directional microphones for speech enhancement |
| US7903825B1 (en) | 2006-03-03 | 2011-03-08 | Cirrus Logic, Inc. | Personal audio playback device having gain control responsive to environmental sounds |
| WO2007110807A2 (en) | 2006-03-24 | 2007-10-04 | Koninklijke Philips Electronics N.V. | Data processing for a waerable apparatus |
| GB2479672B (en) | 2006-04-01 | 2011-11-30 | Wolfson Microelectronics Plc | Ambient noise-reduction control system |
| GB2437772B8 (en) | 2006-04-12 | 2008-09-17 | Wolfson Microelectronics Plc | Digital circuit arrangements for ambient noise-reduction. |
| US8706482B2 (en) | 2006-05-11 | 2014-04-22 | Nth Data Processing L.L.C. | Voice coder with multiple-microphone system and strategic microphone placement to deter obstruction for a digital communication device |
| US7742790B2 (en) | 2006-05-23 | 2010-06-22 | Alon Konchitsky | Environmental noise reduction and cancellation for a communication device including for a wireless and cellular telephone |
| JP2007328219A (ja) | 2006-06-09 | 2007-12-20 | Matsushita Electric Ind Co Ltd | 能動型騒音制御装置 |
| US20070297620A1 (en) | 2006-06-27 | 2007-12-27 | Choy Daniel S J | Methods and Systems for Producing a Zone of Reduced Background Noise |
| JP4252074B2 (ja) | 2006-07-03 | 2009-04-08 | 政明 大熊 | アクティブ消音装置におけるオンライン同定時の信号処理方法 |
| US7925307B2 (en) | 2006-10-31 | 2011-04-12 | Palm, Inc. | Audio output using multiple speakers |
| US8126161B2 (en) | 2006-11-02 | 2012-02-28 | Hitachi, Ltd. | Acoustic echo canceller system |
| US8270625B2 (en) | 2006-12-06 | 2012-09-18 | Brigham Young University | Secondary path modeling for active noise control |
| ATE516746T1 (de) * | 2006-12-11 | 2011-08-15 | Cnsystems Medizintechnik Gmbh | Vorrichtung für die kontinuierliche, nicht- invasive messung des arteriellen blutdrucks und ihre verwendung |
| GB2444988B (en) | 2006-12-22 | 2011-07-20 | Wolfson Microelectronics Plc | Audio amplifier circuit and electronic apparatus including the same |
| US8019050B2 (en) | 2007-01-03 | 2011-09-13 | Motorola Solutions, Inc. | Method and apparatus for providing feedback of vocal quality to a user |
| US8085966B2 (en) | 2007-01-10 | 2011-12-27 | Allan Amsel | Combined headphone set and portable speaker assembly |
| EP1947642B1 (en) | 2007-01-16 | 2018-06-13 | Apple Inc. | Active noise control system |
| US8229106B2 (en) | 2007-01-22 | 2012-07-24 | D.S.P. Group, Ltd. | Apparatus and methods for enhancement of speech |
| GB2441835B (en) | 2007-02-07 | 2008-08-20 | Sonaptic Ltd | Ambient noise reduction system |
| DE102007013719B4 (de) | 2007-03-19 | 2015-10-29 | Sennheiser Electronic Gmbh & Co. Kg | Hörer |
| US7365669B1 (en) | 2007-03-28 | 2008-04-29 | Cirrus Logic, Inc. | Low-delay signal processing based on highly oversampled digital processing |
| JP5189307B2 (ja) | 2007-03-30 | 2013-04-24 | 本田技研工業株式会社 | 能動型騒音制御装置 |
| JP5002302B2 (ja) | 2007-03-30 | 2012-08-15 | 本田技研工業株式会社 | 能動型騒音制御装置 |
| US8014519B2 (en) | 2007-04-02 | 2011-09-06 | Microsoft Corporation | Cross-correlation based echo canceller controllers |
| JP4722878B2 (ja) | 2007-04-19 | 2011-07-13 | ソニー株式会社 | ノイズ低減装置および音響再生装置 |
| US7817808B2 (en) | 2007-07-19 | 2010-10-19 | Alon Konchitsky | Dual adaptive structure for speech enhancement |
| EP2023664B1 (en) | 2007-08-10 | 2013-03-13 | Oticon A/S | Active noise cancellation in hearing devices |
| US8855330B2 (en) | 2007-08-22 | 2014-10-07 | Dolby Laboratories Licensing Corporation | Automated sensor signal matching |
| KR101409169B1 (ko) | 2007-09-05 | 2014-06-19 | 삼성전자주식회사 | 억제 폭 조절을 통한 사운드 줌 방법 및 장치 |
| ES2522316T3 (es) | 2007-09-24 | 2014-11-14 | Sound Innovations, Llc | Dispositivo intraauricular digital electrónico de cancelación de ruido y comunicación |
| EP2051543B1 (en) | 2007-09-27 | 2011-07-27 | Harman Becker Automotive Systems GmbH | Automatic bass management |
| JP5114611B2 (ja) | 2007-09-28 | 2013-01-09 | 株式会社DiMAGIC Corporation | ノイズ制御システム |
| US8325934B2 (en) | 2007-12-07 | 2012-12-04 | Board Of Trustees Of Northern Illinois University | Electronic pillow for abating snoring/environmental noises, hands-free communications, and non-invasive monitoring and recording |
| GB0725115D0 (en) | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Split filter |
| GB0725111D0 (en) | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Lower rate emulation |
| GB0725110D0 (en) | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Gain control based on noise level |
| GB0725108D0 (en) | 2007-12-21 | 2008-01-30 | Wolfson Microelectronics Plc | Slow rate adaption |
| JP4530051B2 (ja) | 2008-01-17 | 2010-08-25 | 船井電機株式会社 | 音声信号送受信装置 |
| ATE520199T1 (de) | 2008-01-25 | 2011-08-15 | Nxp Bv | Verbesserungen an oder im zusammenhang mit funkempfängern |
| US8374362B2 (en) | 2008-01-31 | 2013-02-12 | Qualcomm Incorporated | Signaling microphone covering to the user |
| US8194882B2 (en) | 2008-02-29 | 2012-06-05 | Audience, Inc. | System and method for providing single microphone noise suppression fallback |
| WO2009110087A1 (ja) | 2008-03-07 | 2009-09-11 | ティーオーエー株式会社 | 信号処理装置 |
| GB2458631B (en) | 2008-03-11 | 2013-03-20 | Oxford Digital Ltd | Audio processing |
| CN101971647B (zh) | 2008-03-14 | 2013-03-27 | 皇家飞利浦电子股份有限公司 | 声音系统及其操作方法 |
| US8184816B2 (en) | 2008-03-18 | 2012-05-22 | Qualcomm Incorporated | Systems and methods for detecting wind noise using multiple audio sources |
| JP4572945B2 (ja) | 2008-03-28 | 2010-11-04 | ソニー株式会社 | ヘッドフォン装置、信号処理装置、信号処理方法 |
| US9142221B2 (en) | 2008-04-07 | 2015-09-22 | Cambridge Silicon Radio Limited | Noise reduction |
| US8285344B2 (en) | 2008-05-21 | 2012-10-09 | DP Technlogies, Inc. | Method and apparatus for adjusting audio for a user environment |
| JP5256119B2 (ja) | 2008-05-27 | 2013-08-07 | パナソニック株式会社 | 補聴器並びに補聴器に用いられる補聴処理方法及び集積回路 |
| KR101470528B1 (ko) | 2008-06-09 | 2014-12-15 | 삼성전자주식회사 | 적응 빔포밍을 위한 사용자 방향의 소리 검출 기반의 적응모드 제어 장치 및 방법 |
| US8498589B2 (en) | 2008-06-12 | 2013-07-30 | Qualcomm Incorporated | Polar modulator with path delay compensation |
| EP2133866B1 (en) | 2008-06-13 | 2016-02-17 | Harman Becker Automotive Systems GmbH | Adaptive noise control system |
| GB2461315B (en) | 2008-06-27 | 2011-09-14 | Wolfson Microelectronics Plc | Noise cancellation system |
| ES2582232T3 (es) | 2008-06-30 | 2016-09-09 | Dolby Laboratories Licensing Corporation | Detector de actividad de voz de múltiples micrófonos |
| JP2010023534A (ja) | 2008-07-15 | 2010-02-04 | Panasonic Corp | 騒音低減装置 |
| WO2010014663A2 (en) | 2008-07-29 | 2010-02-04 | Dolby Laboratories Licensing Corporation | Method for adaptive control and equalization of electroacoustic channels |
| US8290537B2 (en) | 2008-09-15 | 2012-10-16 | Apple Inc. | Sidetone adjustment based on headset or earphone type |
| US9253560B2 (en) | 2008-09-16 | 2016-02-02 | Personics Holdings, Llc | Sound library and method |
| US20100082339A1 (en) | 2008-09-30 | 2010-04-01 | Alon Konchitsky | Wind Noise Reduction |
| US8355512B2 (en) | 2008-10-20 | 2013-01-15 | Bose Corporation | Active noise reduction adaptive filter leakage adjusting |
| US8306240B2 (en) | 2008-10-20 | 2012-11-06 | Bose Corporation | Active noise reduction adaptive filter adaptation rate adjusting |
| US8135140B2 (en) | 2008-11-20 | 2012-03-13 | Harman International Industries, Incorporated | System for active noise control with audio signal compensation |
| US9020158B2 (en) | 2008-11-20 | 2015-04-28 | Harman International Industries, Incorporated | Quiet zone control system |
| US9202455B2 (en) | 2008-11-24 | 2015-12-01 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for enhanced active noise cancellation |
| US8600085B2 (en) | 2009-01-20 | 2013-12-03 | Apple Inc. | Audio player with monophonic mode control |
| EP2216774B1 (en) | 2009-01-30 | 2015-09-16 | Harman Becker Automotive Systems GmbH | Adaptive noise control system and method |
| US8548176B2 (en) | 2009-02-03 | 2013-10-01 | Nokia Corporation | Apparatus including microphone arrangements |
| CN102365875B (zh) | 2009-03-30 | 2014-09-24 | 伯斯有限公司 | 个人声学设备位置确定 |
| EP2237270B1 (en) | 2009-03-30 | 2012-07-04 | Nuance Communications, Inc. | A method for determining a noise reference signal for noise compensation and/or noise reduction |
| US8155330B2 (en) | 2009-03-31 | 2012-04-10 | Apple Inc. | Dynamic audio parameter adjustment using touch sensing |
| WO2010112073A1 (en) | 2009-04-02 | 2010-10-07 | Oticon A/S | Adaptive feedback cancellation based on inserted and/or intrinsic characteristics and matched retrieval |
| EP2237573B1 (en) | 2009-04-02 | 2021-03-10 | Oticon A/S | Adaptive feedback cancellation method and apparatus therefor |
| US8189799B2 (en) * | 2009-04-09 | 2012-05-29 | Harman International Industries, Incorporated | System for active noise control based on audio system output |
| US9202456B2 (en) | 2009-04-23 | 2015-12-01 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation |
| EP2247119A1 (de) | 2009-04-27 | 2010-11-03 | Siemens Medical Instruments Pte. Ltd. | Vorrichtung zum akustischen Analysieren einer Hörvorrichtung und Analyseverfahren |
| EP2642481B1 (en) * | 2009-04-28 | 2014-07-16 | Bose Corporation | Circuit and method for active noise reduction |
| US8155334B2 (en) | 2009-04-28 | 2012-04-10 | Bose Corporation | Feedforward-based ANR talk-through |
| US8184822B2 (en) | 2009-04-28 | 2012-05-22 | Bose Corporation | ANR signal processing topology |
| US8315405B2 (en) | 2009-04-28 | 2012-11-20 | Bose Corporation | Coordinated ANR reference sound compression |
| US20100296666A1 (en) | 2009-05-25 | 2010-11-25 | National Chin-Yi University Of Technology | Apparatus and method for noise cancellation in voice communication |
| JP5389530B2 (ja) | 2009-06-01 | 2014-01-15 | 日本車輌製造株式会社 | 対象波低減装置 |
| JP4612728B2 (ja) | 2009-06-09 | 2011-01-12 | 株式会社東芝 | 音声出力装置、及び音声処理システム |
| JP4734441B2 (ja) | 2009-06-12 | 2011-07-27 | 株式会社東芝 | 電気音響変換装置 |
| US8218779B2 (en) | 2009-06-17 | 2012-07-10 | Sony Ericsson Mobile Communications Ab | Portable communication device and a method of processing signals therein |
| US8737636B2 (en) | 2009-07-10 | 2014-05-27 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation |
| ATE550754T1 (de) | 2009-07-30 | 2012-04-15 | Nxp Bv | Verfahren und vorrichtung zur aktiven geräuschsminderung unter anwendung von wahrnehmungsmaskierung |
| JP5321372B2 (ja) | 2009-09-09 | 2013-10-23 | 沖電気工業株式会社 | エコーキャンセラ |
| US8842848B2 (en) | 2009-09-18 | 2014-09-23 | Aliphcom | Multi-modal audio system with automatic usage mode detection and configuration capability |
| US20110099010A1 (en) | 2009-10-22 | 2011-04-28 | Broadcom Corporation | Multi-channel noise suppression system |
| KR101816667B1 (ko) | 2009-10-28 | 2018-01-09 | 페어차일드 세미컨덕터 코포레이션 | 액티브 노이즈 제거 시스템 및 방법 |
| US8401200B2 (en) | 2009-11-19 | 2013-03-19 | Apple Inc. | Electronic device and headset with speaker seal evaluation capabilities |
| CN102111697B (zh) | 2009-12-28 | 2015-03-25 | 歌尔声学股份有限公司 | 一种麦克风阵列降噪控制方法及装置 |
| US8385559B2 (en) | 2009-12-30 | 2013-02-26 | Robert Bosch Gmbh | Adaptive digital noise canceller |
| EP2362381B1 (en) | 2010-02-25 | 2019-12-18 | Harman Becker Automotive Systems GmbH | Active noise reduction system |
| JP2011191383A (ja) | 2010-03-12 | 2011-09-29 | Panasonic Corp | 騒音低減装置 |
| CN102859591B (zh) | 2010-04-12 | 2015-02-18 | 瑞典爱立信有限公司 | 用于语音编码器中的噪声消除的方法和装置 |
| US20110288860A1 (en) | 2010-05-20 | 2011-11-24 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for processing of speech signals using head-mounted microphone pair |
| JP5593851B2 (ja) | 2010-06-01 | 2014-09-24 | ソニー株式会社 | 音声信号処理装置、音声信号処理方法、プログラム |
| US9053697B2 (en) | 2010-06-01 | 2015-06-09 | Qualcomm Incorporated | Systems, methods, devices, apparatus, and computer program products for audio equalization |
| US9099077B2 (en) | 2010-06-04 | 2015-08-04 | Apple Inc. | Active noise cancellation decisions using a degraded reference |
| US8515089B2 (en) | 2010-06-04 | 2013-08-20 | Apple Inc. | Active noise cancellation decisions in a portable audio device |
| EP2395500B1 (en) | 2010-06-11 | 2014-04-02 | Nxp B.V. | Audio device |
| EP2395501B1 (en) | 2010-06-14 | 2015-08-12 | Harman Becker Automotive Systems GmbH | Adaptive noise control |
| US9135907B2 (en) | 2010-06-17 | 2015-09-15 | Dolby Laboratories Licensing Corporation | Method and apparatus for reducing the effect of environmental noise on listeners |
| US20110317848A1 (en) | 2010-06-23 | 2011-12-29 | Motorola, Inc. | Microphone Interference Detection Method and Apparatus |
| US8775172B2 (en) | 2010-10-02 | 2014-07-08 | Noise Free Wireless, Inc. | Machine for enabling and disabling noise reduction (MEDNR) based on a threshold |
| GB2484722B (en) | 2010-10-21 | 2014-11-12 | Wolfson Microelectronics Plc | Noise cancellation system |
| JP2014502442A (ja) | 2010-11-05 | 2014-01-30 | セミコンダクター アイディアズ トゥー ザ マーケット(アイ ティー オー エム)ビー ヴィ | ステレオ信号に含まれているノイズを減少させる方法、その方法を用いるステレオ信号処理デバイス及びfm受信器 |
| US9330675B2 (en) | 2010-11-12 | 2016-05-03 | Broadcom Corporation | Method and apparatus for wind noise detection and suppression using multiple microphones |
| JP2012114683A (ja) | 2010-11-25 | 2012-06-14 | Kyocera Corp | 携帯電話機および携帯電話機におけるエコー低減方法 |
| EP2461323A1 (en) | 2010-12-01 | 2012-06-06 | Dialog Semiconductor GmbH | Reduced delay digital active noise cancellation |
| US8908877B2 (en) | 2010-12-03 | 2014-12-09 | Cirrus Logic, Inc. | Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices |
| US20120155666A1 (en) | 2010-12-16 | 2012-06-21 | Nair Vijayakumaran V | Adaptive noise cancellation |
| US8718291B2 (en) | 2011-01-05 | 2014-05-06 | Cambridge Silicon Radio Limited | ANC for BT headphones |
| KR20120080409A (ko) | 2011-01-07 | 2012-07-17 | 삼성전자주식회사 | 잡음 구간 판별에 의한 잡음 추정 장치 및 방법 |
| US8539012B2 (en) | 2011-01-13 | 2013-09-17 | Audyssey Laboratories | Multi-rate implementation without high-pass filter |
| US9538286B2 (en) | 2011-02-10 | 2017-01-03 | Dolby International Ab | Spatial adaptation in multi-microphone sound capture |
| US9037458B2 (en) | 2011-02-23 | 2015-05-19 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for spatially selective audio augmentation |
| DE102011013343B4 (de) | 2011-03-08 | 2012-12-13 | Austriamicrosystems Ag | Regelsystem für aktive Rauschunterdrückung sowie Verfahren zur aktiven Rauschunterdrückung |
| US8693700B2 (en) | 2011-03-31 | 2014-04-08 | Bose Corporation | Adaptive feed-forward noise reduction |
| US9055367B2 (en) | 2011-04-08 | 2015-06-09 | Qualcomm Incorporated | Integrated psychoacoustic bass enhancement (PBE) for improved audio |
| US20120263317A1 (en) | 2011-04-13 | 2012-10-18 | Qualcomm Incorporated | Systems, methods, apparatus, and computer readable media for equalization |
| US9565490B2 (en) | 2011-05-02 | 2017-02-07 | Apple Inc. | Dual mode headphones and methods for constructing the same |
| EP2528358A1 (en) | 2011-05-23 | 2012-11-28 | Oticon A/S | A method of identifying a wireless communication channel in a sound system |
| US20120300960A1 (en) | 2011-05-27 | 2012-11-29 | Graeme Gordon Mackay | Digital signal routing circuit |
| US9214150B2 (en) | 2011-06-03 | 2015-12-15 | Cirrus Logic, Inc. | Continuous adaptation of secondary path adaptive response in noise-canceling personal audio devices |
| US9824677B2 (en) | 2011-06-03 | 2017-11-21 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
| US9076431B2 (en) | 2011-06-03 | 2015-07-07 | Cirrus Logic, Inc. | Filter architecture for an adaptive noise canceler in a personal audio device |
| US8958571B2 (en) | 2011-06-03 | 2015-02-17 | Cirrus Logic, Inc. | MIC covering detection in personal audio devices |
| US9318094B2 (en) | 2011-06-03 | 2016-04-19 | Cirrus Logic, Inc. | Adaptive noise canceling architecture for a personal audio device |
| US8848936B2 (en) | 2011-06-03 | 2014-09-30 | Cirrus Logic, Inc. | Speaker damage prevention in adaptive noise-canceling personal audio devices |
| US8948407B2 (en) | 2011-06-03 | 2015-02-03 | Cirrus Logic, Inc. | Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC) |
| US8909524B2 (en) | 2011-06-07 | 2014-12-09 | Analog Devices, Inc. | Adaptive active noise canceling for handset |
| EP2551845B1 (en) | 2011-07-26 | 2020-04-01 | Harman Becker Automotive Systems GmbH | Noise reducing sound reproduction |
| US20130156238A1 (en) | 2011-11-28 | 2013-06-20 | Sony Mobile Communications Ab | Adaptive crosstalk rejection |
| CN104040888B (zh) | 2012-01-10 | 2018-07-10 | 思睿逻辑国际半导体有限公司 | 多速率滤波器系统 |
| KR101844076B1 (ko) | 2012-02-24 | 2018-03-30 | 삼성전자주식회사 | 영상 통화 서비스 제공 방법 및 장치 |
| US8831239B2 (en) | 2012-04-02 | 2014-09-09 | Bose Corporation | Instability detection and avoidance in a feedback system |
| US9354295B2 (en) | 2012-04-13 | 2016-05-31 | Qualcomm Incorporated | Systems, methods, and apparatus for estimating direction of arrival |
| US9014387B2 (en) | 2012-04-26 | 2015-04-21 | Cirrus Logic, Inc. | Coordinated control of adaptive noise cancellation (ANC) among earspeaker channels |
| US9142205B2 (en) | 2012-04-26 | 2015-09-22 | Cirrus Logic, Inc. | Leakage-modeling adaptive noise canceling for earspeakers |
| US9123321B2 (en) | 2012-05-10 | 2015-09-01 | Cirrus Logic, Inc. | Sequenced adaptation of anti-noise generator response and secondary path response in an adaptive noise canceling system |
| US9319781B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC) |
| US9076427B2 (en) | 2012-05-10 | 2015-07-07 | Cirrus Logic, Inc. | Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices |
| US9318090B2 (en) | 2012-05-10 | 2016-04-19 | Cirrus Logic, Inc. | Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system |
| US9538285B2 (en) | 2012-06-22 | 2017-01-03 | Verisilicon Holdings Co., Ltd. | Real-time microphone array with robust beamformer and postfilter for speech enhancement and method of operation thereof |
| AU2013299093B2 (en) | 2012-08-02 | 2017-05-18 | Kinghei LIU | Headphones with interactive display |
| US9516407B2 (en) | 2012-08-13 | 2016-12-06 | Apple Inc. | Active noise control with compensation for error sensing at the eardrum |
| US9113243B2 (en) | 2012-08-16 | 2015-08-18 | Cisco Technology, Inc. | Method and system for obtaining an audio signal |
| US9058801B2 (en) | 2012-09-09 | 2015-06-16 | Apple Inc. | Robust process for managing filter coefficients in adaptive noise canceling systems |
| US9129586B2 (en) | 2012-09-10 | 2015-09-08 | Apple Inc. | Prevention of ANC instability in the presence of low frequency noise |
| US9532139B1 (en) | 2012-09-14 | 2016-12-27 | Cirrus Logic, Inc. | Dual-microphone frequency amplitude response self-calibration |
| US9330652B2 (en) | 2012-09-24 | 2016-05-03 | Apple Inc. | Active noise cancellation using multiple reference microphone signals |
| US9208769B2 (en) | 2012-12-18 | 2015-12-08 | Apple Inc. | Hybrid adaptive headphone |
| US9351085B2 (en) | 2012-12-20 | 2016-05-24 | Cochlear Limited | Frequency based feedback control |
| US9107010B2 (en) | 2013-02-08 | 2015-08-11 | Cirrus Logic, Inc. | Ambient noise root mean square (RMS) detector |
| US9106989B2 (en) | 2013-03-13 | 2015-08-11 | Cirrus Logic, Inc. | Adaptive-noise canceling (ANC) effectiveness estimation and correction in a personal audio device |
| US9414150B2 (en) | 2013-03-14 | 2016-08-09 | Cirrus Logic, Inc. | Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device |
| US9208771B2 (en) | 2013-03-15 | 2015-12-08 | Cirrus Logic, Inc. | Ambient noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices |
| US20140294182A1 (en) | 2013-03-28 | 2014-10-02 | Cirrus Logic, Inc. | Systems and methods for locating an error microphone to minimize or reduce obstruction of an acoustic transducer wave path |
| US10206032B2 (en) | 2013-04-10 | 2019-02-12 | Cirrus Logic, Inc. | Systems and methods for multi-mode adaptive noise cancellation for audio headsets |
| US9066176B2 (en) | 2013-04-15 | 2015-06-23 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation including dynamic bias of coefficients of an adaptive noise cancellation system |
| US9460701B2 (en) | 2013-04-17 | 2016-10-04 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by biasing anti-noise level |
| US9478210B2 (en) | 2013-04-17 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
| CN103257873B (zh) | 2013-04-18 | 2016-07-06 | 小米科技有限责任公司 | 一种智能终端设备的控制方法和系统 |
| US9515629B2 (en) | 2013-05-16 | 2016-12-06 | Apple Inc. | Adaptive audio equalization for personal listening devices |
| US8907829B1 (en) | 2013-05-17 | 2014-12-09 | Cirrus Logic, Inc. | Systems and methods for sampling in an input network of a delta-sigma modulator |
| US9264808B2 (en) | 2013-06-14 | 2016-02-16 | Cirrus Logic, Inc. | Systems and methods for detection and cancellation of narrow-band noise |
| US9666176B2 (en) | 2013-09-13 | 2017-05-30 | Cirrus Logic, Inc. | Systems and methods for adaptive noise cancellation by adaptively shaping internal white noise to train a secondary path |
| US10219071B2 (en) | 2013-12-10 | 2019-02-26 | Cirrus Logic, Inc. | Systems and methods for bandlimiting anti-noise in personal audio devices having adaptive noise cancellation |
| US10382864B2 (en) | 2013-12-10 | 2019-08-13 | Cirrus Logic, Inc. | Systems and methods for providing adaptive playback equalization in an audio device |
| US9704472B2 (en) | 2013-12-10 | 2017-07-11 | Cirrus Logic, Inc. | Systems and methods for sharing secondary path information between audio channels in an adaptive noise cancellation system |
| US9369557B2 (en) | 2014-03-05 | 2016-06-14 | Cirrus Logic, Inc. | Frequency-dependent sidetone calibration |
| US9479860B2 (en) | 2014-03-07 | 2016-10-25 | Cirrus Logic, Inc. | Systems and methods for enhancing performance of audio transducer based on detection of transducer status |
| US10181315B2 (en) | 2014-06-13 | 2019-01-15 | Cirrus Logic, Inc. | Systems and methods for selectively enabling and disabling adaptation of an adaptive noise cancellation system |
| US9552805B2 (en) | 2014-12-19 | 2017-01-24 | Cirrus Logic, Inc. | Systems and methods for performance and stability control for feedback adaptive noise cancellation |
-
2014
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-
2015
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- 2015-12-17 EP EP15825991.1A patent/EP3234943B1/en active Active
- 2015-12-17 WO PCT/US2015/066260 patent/WO2016100602A1/en not_active Ceased
- 2015-12-17 JP JP2017533333A patent/JP6745801B2/ja not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040196992A1 (en) * | 2003-04-01 | 2004-10-07 | Ryan Jim G. | System and method for detecting the insertion or removal of a hearing instrument from the ear canal |
| JP2006217542A (ja) * | 2005-02-07 | 2006-08-17 | Yamaha Corp | ハウリング抑制装置および拡声装置 |
| US20110249826A1 (en) * | 2008-12-18 | 2011-10-13 | Koninklijke Philips Electronics N.V. | Active audio noise cancelling |
| US20100272283A1 (en) * | 2009-04-28 | 2010-10-28 | Carreras Ricardo F | Digital high frequency phase compensation |
| US20120057720A1 (en) * | 2009-05-11 | 2012-03-08 | Koninklijke Philips Electronics N.V. | Audio noise cancelling |
| US20120140943A1 (en) * | 2010-12-03 | 2012-06-07 | Hendrix Jon D | Oversight control of an adaptive noise canceler in a personal audio device |
| US20130301842A1 (en) * | 2012-05-10 | 2013-11-14 | Cirrus Logic, Inc. | Noise burst adaptation of secondary path adaptive response in noise-canceling personal audio devices |
| US20140126735A1 (en) * | 2012-11-02 | 2014-05-08 | Daniel M. Gauger, Jr. | Reducing Occlusion Effect in ANR Headphones |
| US20140307887A1 (en) * | 2013-04-16 | 2014-10-16 | Cirrus Logic, Inc. | Systems and methods for hybrid adaptive noise cancellation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220091151A (ko) * | 2020-12-23 | 2022-06-30 | 현대자동차주식회사 | 차량용 능동 소음 제어 장치 및 그 제어 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018502324A (ja) | 2018-01-25 |
| CN107408380A (zh) | 2017-11-28 |
| KR102292773B1 (ko) | 2021-08-25 |
| JP6745801B2 (ja) | 2020-08-26 |
| WO2016100602A4 (en) | 2016-08-18 |
| WO2016100602A1 (en) | 2016-06-23 |
| WO2016100602A9 (en) | 2016-10-13 |
| US9552805B2 (en) | 2017-01-24 |
| EP3234943A1 (en) | 2017-10-25 |
| US20160180830A1 (en) | 2016-06-23 |
| CN107408380B (zh) | 2021-05-04 |
| EP3234943B1 (en) | 2021-10-13 |
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