CN108365827B - 具有动态阈值的频带压缩 - Google Patents

具有动态阈值的频带压缩 Download PDF

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Publication number
CN108365827B
CN108365827B CN201810153878.7A CN201810153878A CN108365827B CN 108365827 B CN108365827 B CN 108365827B CN 201810153878 A CN201810153878 A CN 201810153878A CN 108365827 B CN108365827 B CN 108365827B
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time
varying
threshold
frequency band
spectrum
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Chinese (zh)
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CN108365827A (zh
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A·J·西费尔德特
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0324—Details of processing therefor
    • G10L21/034—Automatic adjustment
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/008—Visual indication of individual signal levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
CN201810153878.7A 2013-04-29 2014-04-14 具有动态阈值的频带压缩 Active CN108365827B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361817175P 2013-04-29 2013-04-29
US61/817,175 2013-04-29
CN201480024349.7A CN105164918B (zh) 2013-04-29 2014-04-14 具有动态阈值的频带压缩

Related Parent Applications (1)

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CN201480024349.7A Division CN105164918B (zh) 2013-04-29 2014-04-14 具有动态阈值的频带压缩

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CN108365827A CN108365827A (zh) 2018-08-03
CN108365827B true CN108365827B (zh) 2021-10-26

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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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208548A (en) * 1977-07-19 1980-06-17 Orban Associates, Inc. Apparatus and method for peak-limiting audio frequency signals
CN1669072A (zh) * 2002-07-16 2005-09-14 杜比实验室特许公司 低比特速率音频编码
CN101036293A (zh) * 2004-08-10 2007-09-12 安东尼·邦焦维 在高噪声环境中呈现的音频信号处理系统和方法
WO2008000316A1 (en) * 2006-06-30 2008-01-03 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and audio processor having a dynamically variable harping characteristic
CN101183859A (zh) * 2006-11-17 2008-05-21 Akg声学有限公司 音频压缩器
CN100539406C (zh) * 2003-09-26 2009-09-09 Bbe声音公司 音频预放大器和中频带压缩器电路
CN101669284A (zh) * 2007-04-30 2010-03-10 高通股份有限公司 移动音频装置的自动音量及动态范围调整
CN102089808A (zh) * 2008-07-11 2011-06-08 弗劳恩霍夫应用研究促进协会 音频编码器、音频解码器、用于编码及解码音频信号的方法、音频流与计算机程序
CN102461207A (zh) * 2009-05-29 2012-05-16 夏普株式会社 声音重放装置、声音重放方法和程序

Family Cites Families (34)

* 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
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
JP2004061617A (ja) * 2002-07-25 2004-02-26 Fujitsu Ltd 受話音声処理装置
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
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
US8521314B2 (en) 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
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
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
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
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208548A (en) * 1977-07-19 1980-06-17 Orban Associates, Inc. Apparatus and method for peak-limiting audio frequency signals
CN1669072A (zh) * 2002-07-16 2005-09-14 杜比实验室特许公司 低比特速率音频编码
CN100539406C (zh) * 2003-09-26 2009-09-09 Bbe声音公司 音频预放大器和中频带压缩器电路
CN101036293A (zh) * 2004-08-10 2007-09-12 安东尼·邦焦维 在高噪声环境中呈现的音频信号处理系统和方法
WO2008000316A1 (en) * 2006-06-30 2008-01-03 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and audio processor having a dynamically variable harping characteristic
CN101183859A (zh) * 2006-11-17 2008-05-21 Akg声学有限公司 音频压缩器
CN101669284A (zh) * 2007-04-30 2010-03-10 高通股份有限公司 移动音频装置的自动音量及动态范围调整
CN102089808A (zh) * 2008-07-11 2011-06-08 弗劳恩霍夫应用研究促进协会 音频编码器、音频解码器、用于编码及解码音频信号的方法、音频流与计算机程序
CN102461207A (zh) * 2009-05-29 2012-05-16 夏普株式会社 声音重放装置、声音重放方法和程序

Also Published As

Publication number Publication date
CN105164918B (zh) 2018-03-30
CN105164918A (zh) 2015-12-16
HK1222478A1 (en) 2017-06-30
HK1258837A1 (zh) 2019-11-22
EP2992605A1 (en) 2016-03-09
WO2014179021A1 (en) 2014-11-06
US9762198B2 (en) 2017-09-12
JP6436934B2 (ja) 2018-12-12
HK1215108A1 (zh) 2016-08-12
CN108365827A (zh) 2018-08-03
US20160072467A1 (en) 2016-03-10
EP2992605B1 (en) 2017-06-07
JP2016518788A (ja) 2016-06-23
JP5969727B2 (ja) 2016-08-17
JP2016195439A (ja) 2016-11-17

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