JP2016195439A5 - - Google Patents

Download PDF

Info

Publication number
JP2016195439A5
JP2016195439A5 JP2016134973A JP2016134973A JP2016195439A5 JP 2016195439 A5 JP2016195439 A5 JP 2016195439A5 JP 2016134973 A JP2016134973 A JP 2016134973A JP 2016134973 A JP2016134973 A JP 2016134973A JP 2016195439 A5 JP2016195439 A5 JP 2016195439A5
Authority
JP
Japan
Prior art keywords
frequency band
threshold
band component
estimate
distortion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2016134973A
Other languages
English (en)
Japanese (ja)
Other versions
JP6436934B2 (ja
JP2016195439A (ja
Filing date
Publication date
Application filed filed Critical
Publication of JP2016195439A publication Critical patent/JP2016195439A/ja
Publication of JP2016195439A5 publication Critical patent/JP2016195439A5/ja
Application granted granted Critical
Publication of JP6436934B2 publication Critical patent/JP6436934B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2016134973A 2013-04-29 2016-07-07 動的閾値を用いた周波数帯域圧縮 Active JP6436934B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361817175P 2013-04-29 2013-04-29
US61/817,175 2013-04-29

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2016510698A Division JP5969727B2 (ja) 2013-04-29 2014-04-14 動的閾値を用いた周波数帯域圧縮

Publications (3)

Publication Number Publication Date
JP2016195439A JP2016195439A (ja) 2016-11-17
JP2016195439A5 true JP2016195439A5 (enExample) 2017-05-25
JP6436934B2 JP6436934B2 (ja) 2018-12-12

Family

ID=50687733

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2016510698A Active JP5969727B2 (ja) 2013-04-29 2014-04-14 動的閾値を用いた周波数帯域圧縮
JP2016134973A Active JP6436934B2 (ja) 2013-04-29 2016-07-07 動的閾値を用いた周波数帯域圧縮

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2016510698A Active JP5969727B2 (ja) 2013-04-29 2014-04-14 動的閾値を用いた周波数帯域圧縮

Country Status (5)

Country Link
US (1) US9762198B2 (enExample)
EP (1) EP2992605B1 (enExample)
JP (2) JP5969727B2 (enExample)
CN (2) CN108365827B (enExample)
WO (1) WO2014179021A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2992605B1 (en) * 2013-04-29 2017-06-07 Dolby Laboratories Licensing Corporation Frequency band compression with dynamic thresholds
EP3223279B1 (en) * 2016-03-21 2019-01-09 Nxp B.V. A speech signal processing circuit
US10225654B1 (en) 2017-09-07 2019-03-05 Cirrus Logic, Inc. Speaker distortion reduction
EP3692530B1 (en) 2017-10-02 2021-09-08 Dolby Laboratories Licensing Corporation Audio de-esser independent of absolute signal level
US10827265B2 (en) * 2018-01-25 2020-11-03 Cirrus Logic, Inc. Psychoacoustics for improved audio reproduction, power reduction, and speaker protection
EP3579582B1 (en) 2018-06-06 2023-11-15 Dolby Laboratories Licensing Corporation Automatic characterization of perceived transducer distortion
US10991375B2 (en) 2018-06-20 2021-04-27 Mimi Hearing Technologies GmbH Systems and methods for processing an audio signal for replay on an audio device
EP3584927B1 (en) * 2018-06-20 2021-03-10 Mimi Hearing Technologies GmbH Systems and methods for processing an audio signal for replay on an audio device
US11062717B2 (en) * 2018-06-20 2021-07-13 Mimi Hearing Technologies GmbH Systems and methods for processing an audio signal for replay on an audio device
US10911013B2 (en) 2018-07-05 2021-02-02 Comcast Cable Communications, Llc Dynamic audio normalization process
US11282533B2 (en) 2018-09-28 2022-03-22 Dolby Laboratories Licensing Corporation Distortion reducing multi-band compressor with dynamic thresholds based on scene switch analyzer guided distortion audibility model
FR3091078A1 (fr) * 2018-12-21 2020-06-26 Cabasse Systeme d’adaptation de la reponse spectrale d’une enceinte acoustique et de commande de la dynamique d’une chaine haute fidelite
KR102277952B1 (ko) * 2019-01-11 2021-07-19 브레인소프트주식회사 디제이 변환에 의한 주파수 추출 방법
WO2020171049A1 (ja) * 2019-02-19 2020-08-27 公立大学法人秋田県立大学 音響信号符号化方法、音響信号復号化方法、プログラム、符号化装置、音響システム、及び復号化装置
EP4029144B1 (en) 2019-09-13 2025-07-23 Dolby Laboratories Licensing Corporation Dynamic range compression with reduced artifacts
EP3840404B8 (en) 2019-12-19 2023-11-01 Steelseries France A method for audio rendering by an apparatus
US11159888B1 (en) 2020-09-18 2021-10-26 Cirrus Logic, Inc. Transducer cooling by introduction of a cooling component in the transducer input signal
US11153682B1 (en) 2020-09-18 2021-10-19 Cirrus Logic, Inc. Micro-speaker audio power reproduction system and method with reduced energy use and thermal protection using micro-speaker electro-acoustic response and human hearing thresholds
CN113821047A (zh) * 2021-08-18 2021-12-21 杭州电子科技大学 一种基于单目视觉的无人机自主降落方法

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1385493A (en) 1971-11-19 1975-02-26 Secr Defence Speech communication system
US4208548A (en) 1977-07-19 1980-06-17 Orban Associates, Inc. Apparatus and method for peak-limiting audio frequency signals
US4249042A (en) * 1979-08-06 1981-02-03 Orban Associates, Inc. Multiband cross-coupled compressor with overshoot protection circuit
SU1223285A1 (ru) 1984-02-16 1986-04-07 Предприятие П/Я Р-6947 Устройство дл сжати частотного диапазона звуковых сигналов
US5278912A (en) 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
US5483600A (en) 1994-02-14 1996-01-09 Aphex Systems, Ltd. Wave dependent compressor
US6097824A (en) 1997-06-06 2000-08-01 Audiologic, Incorporated Continuous frequency dynamic range audio compressor
US6108431A (en) 1996-05-01 2000-08-22 Phonak Ag Loudness limiter
US5832444A (en) 1996-09-10 1998-11-03 Schmidt; Jon C. Apparatus for dynamic range compression of an audio signal
US7309829B1 (en) 1998-05-15 2007-12-18 Ludwig Lester F Layered signal processing for individual and group output of multi-channel electronic musical instruments
US6757395B1 (en) * 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method
US6618486B2 (en) 2000-05-03 2003-09-09 Robert A. Orban Controller for FM 412 multiplex power regulation
DE60209161T2 (de) 2001-04-18 2006-10-05 Gennum Corp., Burlington Mehrkanal Hörgerät mit Übertragungsmöglichkeiten zwischen den Kanälen
CA2354755A1 (en) * 2001-08-07 2003-02-07 Dspfactory Ltd. Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US20030223597A1 (en) 2002-05-29 2003-12-04 Sunil Puria Adapative noise compensation for dynamic signal enhancement
US7043423B2 (en) * 2002-07-16 2006-05-09 Dolby Laboratories Licensing Corporation Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding
JP2004061617A (ja) * 2002-07-25 2004-02-26 Fujitsu Ltd 受話音声処理装置
US20050069155A1 (en) * 2003-09-26 2005-03-31 Gagon Paul R. Audio pre-amp and mid-band compressor circuit
JP4185984B2 (ja) * 2003-11-04 2008-11-26 国立大学法人山梨大学 音信号の加工装置および加工方法
JP2005175674A (ja) * 2003-12-09 2005-06-30 Nec Corp 信号圧縮伸張装置および携帯通信端末装置
US7254243B2 (en) * 2004-08-10 2007-08-07 Anthony Bongiovi Processing of an audio signal for presentation in a high noise environment
EP1805891B1 (en) 2004-10-26 2012-05-16 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
US8199933B2 (en) 2004-10-26 2012-06-12 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
MX2008016163A (es) * 2006-06-30 2009-02-04 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio y procesador de audio con caracteristicas de warping variable de manera dinamica.
US8521314B2 (en) 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
ATE415010T1 (de) * 2006-11-17 2008-12-15 Akg Acoustics Gmbh Audiokompressor
JP5530720B2 (ja) 2007-02-26 2014-06-25 ドルビー ラボラトリーズ ライセンシング コーポレイション エンターテイメントオーディオにおける音声強調方法、装置、およびコンピュータ読取り可能な記録媒体
JP5260561B2 (ja) * 2007-03-19 2013-08-14 ドルビー ラボラトリーズ ライセンシング コーポレイション 知覚モデルを使用した音声の強調
US7742746B2 (en) * 2007-04-30 2010-06-22 Qualcomm Incorporated Automatic volume and dynamic range adjustment for mobile audio devices
JP5686369B2 (ja) * 2007-06-11 2015-03-18 フラウンホッファー−ゲゼルシャフト ツァー フェーデルング デア アンゲバンテン フォルシュング エー ファー インパルス状の部分と定常部分とを有するオーディオ信号を符号化するオーディオ符号器、符号化方法、復号器、および復号化方法
US20090253457A1 (en) * 2008-04-04 2009-10-08 Apple Inc. Audio signal processing for certification enhancement in a handheld wireless communications device
UA104424C2 (uk) 2008-04-18 2014-02-10 Долбі Леборетеріз Лайсенсінг Корпорейшн Спосіб та пристрій для підтримки чутності мови у багатоканальному аудіосигналі з мінімальним впливом на систему об'ємного звучання
EP4407610B1 (en) * 2008-07-11 2025-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder
WO2010044439A1 (ja) 2008-10-17 2010-04-22 シャープ株式会社 音声信号調整装置及び音声信号調整方法
EP2401872A4 (en) * 2009-02-25 2012-05-23 Conexant Systems Inc SYSTEM AND METHOD FOR REDUCING SPEAKER DISTORTION
CN102461207B (zh) * 2009-05-29 2015-04-22 夏普株式会社 声音重放装置、声音重放方法和记录介质
US8600076B2 (en) * 2009-11-09 2013-12-03 Neofidelity, Inc. Multiband DRC system and method for controlling the same
CN104242853B (zh) * 2010-03-18 2017-05-17 杜比实验室特许公司 用于具有音质保护的失真减少多频带压缩器的技术
ES2526761T3 (es) 2010-04-22 2015-01-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para modificar una señal de audio de entrada
JP5602309B2 (ja) * 2010-08-18 2014-10-08 ドルビー ラボラトリーズ ライセンシング コーポレイション オーディオ信号の臨界周波数帯域における歪みを制御する方法とシステム
EP2538555B1 (en) * 2011-06-22 2019-09-11 Nxp B.V. Control of a loudspeaker output
EP2992605B1 (en) * 2013-04-29 2017-06-07 Dolby Laboratories Licensing Corporation Frequency band compression with dynamic thresholds

Similar Documents

Publication Publication Date Title
JP2016195439A5 (enExample)
JP2016541222A5 (enExample)
US10818313B2 (en) Method for detecting audio signal and apparatus
RU2020100879A (ru) Оценивание фонового шума в аудиосигналах
RU2015138122A (ru) Системы и способы выполнения регулировки усиления
JP2009055079A5 (enExample)
JP2007503796A5 (enExample)
CN103700386B (zh) 一种信息处理方法及电子设备
JP2014502737A5 (enExample)
RU2016101469A (ru) Устройство и способ улучшенного плавного изменения сигнала в различных областях во время маскирования ошибок
JP2014126856A5 (ja) 雑音抑圧装置及びその制御方法
JP2010102199A5 (enExample)
WO2008146817A1 (ja) ノイズ除去装置並びにプログラムおよび方法
RU2020114434A (ru) Способ оценки фонового шума, блок оценки фонового шума и машиночитаемый носитель
GB2554943A (en) Voice activity detection method and apparatus
US9391575B1 (en) Adaptive loudness control
US10070219B2 (en) Sound feedback detection method and device
JP2012226106A5 (enExample)
US20180166092A1 (en) Voice signal processing apparatus and voice signal processing method
JP2014508973A (ja) オーディオ信号において卓越周波数を減衰させるための方法および装置
JP2018137731A5 (enExample)
CN105869652B (zh) 心理声学模型计算方法和装置
WO2014027419A1 (ja) 雑音除去装置
EP4490726A1 (en) Method and audio processing system for wind noise suppression
JP2016171447A5 (enExample)