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WO2008126496A1 - 電子機器用音響処理システム、方法及び携帯電話端末 - Google Patents

電子機器用音響処理システム、方法及び携帯電話端末 Download PDF

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Publication number
WO2008126496A1
WO2008126496A1 PCT/JP2008/053528 JP2008053528W WO2008126496A1 WO 2008126496 A1 WO2008126496 A1 WO 2008126496A1 JP 2008053528 W JP2008053528 W JP 2008053528W WO 2008126496 A1 WO2008126496 A1 WO 2008126496A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
electronic device
processing system
range
acoustic processing
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.)
Ceased
Application number
PCT/JP2008/053528
Other languages
English (en)
French (fr)
Inventor
Jun Kuroda
Satoshi Hosokawa
Ukyo Mori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to EP08712099.4A priority Critical patent/EP2139264B1/en
Priority to JP2009508964A priority patent/JP4986182B2/ja
Priority to US12/531,324 priority patent/US20100086149A1/en
Publication of WO2008126496A1 publication Critical patent/WO2008126496A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/002Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/007Volume compression or expansion in amplifiers of digital or coded signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G9/00Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025Combinations 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/04Circuits for transducers, loudspeakers or microphones for correcting frequency response

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)

Abstract

 本発明による電子機器用音響処理システムは、音響処理されたディジタル信号を周波数成分毎にブースト、又はカットするイコライザプロセッサと、イコライザプロセッサからの信号から低域信号を抽出して出力するローパスフィルタと、イコライザプロセッサからの信号から高域信号を抽出して出力するハイパスフィルタと、高域信号を圧縮する高域コンプレッサと、低域信号と、圧縮された高域信号とを加算する加算器と、加算後の信号に応じた音響を出力するスピーカーとを具備する。
PCT/JP2008/053528 2007-03-20 2008-02-28 電子機器用音響処理システム、方法及び携帯電話端末 Ceased WO2008126496A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08712099.4A EP2139264B1 (en) 2007-03-20 2008-02-28 Acoustic processing system and method for electronic device and mobile telephone terminal
JP2009508964A JP4986182B2 (ja) 2007-03-20 2008-02-28 電子機器用音響処理システム、方法及び携帯電話端末
US12/531,324 US20100086149A1 (en) 2007-03-20 2008-02-28 Acoustic processing system and method for electronic apparatus and mobile telephone terminal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007073413 2007-03-20
JP2007-073413 2007-03-20

Publications (1)

Publication Number Publication Date
WO2008126496A1 true WO2008126496A1 (ja) 2008-10-23

Family

ID=39863652

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053528 Ceased WO2008126496A1 (ja) 2007-03-20 2008-02-28 電子機器用音響処理システム、方法及び携帯電話端末

Country Status (5)

Country Link
US (1) US20100086149A1 (ja)
EP (1) EP2139264B1 (ja)
JP (1) JP4986182B2 (ja)
CN (2) CN105811910B (ja)
WO (1) WO2008126496A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011125018A (ja) * 2009-12-09 2011-06-23 Samsung Electronics Co Ltd 携帯用端末機における音量増加装置及びその方法
JP2017502541A (ja) * 2013-10-22 2017-01-19 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー デジタル信号処理のためのシステムおよび方法
JP2022029438A (ja) * 2020-08-04 2022-02-17 新唐科技股▲ふん▼有限公司 オーディオ処理装置、およびオーディオ処理方法

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5845760B2 (ja) * 2011-09-15 2016-01-20 ソニー株式会社 音声処理装置および方法、並びにプログラム
KR101901202B1 (ko) * 2012-04-28 2018-09-27 삼성전자주식회사 오디오 출력 방법 및 장치
JP6079119B2 (ja) * 2012-10-10 2017-02-15 ティアック株式会社 録音装置
JP6056356B2 (ja) 2012-10-10 2017-01-11 ティアック株式会社 録音装置
CN102968995B (zh) * 2012-11-16 2018-10-02 新奥特(北京)视频技术有限公司 一种音频信号的混音方法及装置
US9852744B2 (en) * 2014-12-16 2017-12-26 Psyx Research, Inc. System and method for dynamic recovery of audio data
CN105554635A (zh) * 2016-03-16 2016-05-04 朱丽芬 一种电磁屏蔽高音质音响
CN205811969U (zh) * 2016-07-25 2016-12-14 惠州超声音响有限公司 一种均衡式压限器系统
EP3566472B1 (en) * 2017-01-04 2023-10-25 THAT Corporation Configurable multi-band compressor architecture with advanced surround processing
US11245375B2 (en) 2017-01-04 2022-02-08 That Corporation System for configuration and status reporting of audio processing in TV sets
CN106954124B (zh) * 2017-03-22 2022-09-02 万魔声学股份有限公司 单声道低音增强方法及装置、播放器
CN107705797B (zh) * 2017-10-18 2020-12-22 四川蜀天信息技术有限公司 一种智能移动通信系统和操作方法
CN112887878B (zh) * 2019-11-29 2025-09-19 哈曼国际工业有限公司 避免削波失真或增加有源扬声器最大声级的压限系统和方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05145991A (ja) * 1991-11-18 1993-06-11 Matsushita Electric Ind Co Ltd 低音域特性補正回路
JPH06177688A (ja) * 1992-10-05 1994-06-24 Mitsubishi Electric Corp オーディオ信号処理装置
JPH09232896A (ja) * 1996-02-27 1997-09-05 Alpine Electron Inc オーディオ信号処理方法
WO2005086525A1 (ja) * 2004-03-05 2005-09-15 Rohm Co., Ltd フィルタ回路およびそれを利用した再生装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458641A (en) * 1945-05-08 1949-01-11 Rca Corp Method and apparatus for controlling frequency characteristics in sound recording
US4241266A (en) * 1979-02-05 1980-12-23 Orban Robert A Peak-limiting apparatus for audio signal
US4584700A (en) * 1982-09-20 1986-04-22 Scholz Donald T Electronic audio signal processor
US4837832A (en) * 1987-10-20 1989-06-06 Sol Fanshel Electronic hearing aid with gain control means for eliminating low frequency noise
US4944018A (en) * 1988-04-04 1990-07-24 Bose Corporation Speed controlled amplifying
DE69227681T2 (de) * 1992-07-31 1999-06-10 Aphex Systems, Ltd., Sun Valley, Calif. Anordnung zur Anhebung der Bassfrequenz eines Audiosignals
JPH06232662A (ja) * 1993-02-04 1994-08-19 Mitsubishi Electric Corp 音量制御装置
JP3308055B2 (ja) * 1993-08-24 2002-07-29 パイオニア株式会社 ディジタル・グラフィックイコライザ
US5832097A (en) * 1995-09-19 1998-11-03 Gennum Corporation Multi-channel synchronous companding system
US5896459A (en) * 1996-07-10 1999-04-20 Abaya Technologies, Inc. Audio mixer
US6028944A (en) * 1997-03-04 2000-02-22 Compaq Computer Corporation Signal processing apparatus with selective power amplification
US6661900B1 (en) * 1998-09-30 2003-12-09 Texas Instruments Incorporated Digital graphic equalizer control system and method
US6405227B1 (en) * 1998-12-31 2002-06-11 New Japan Radio Co., Ltd. Digital crossover and parametric equalizer
US6606388B1 (en) * 2000-02-17 2003-08-12 Arboretum Systems, Inc. Method and system for enhancing audio signals
DE10129815A1 (de) * 2001-06-24 2003-01-09 Profos Ag Verfahren zur Aufreinigung von Bakterienzellen und Zellbestandteilen
EP1532734A4 (en) * 2002-06-05 2008-10-01 Sonic Focus Inc ACOUSTIC VIRTUAL REALITY ENGINE AND ADVANCED TECHNIQUES FOR IMPROVING THE DELIVERED SOUND
DE60233131D1 (de) * 2002-08-05 2009-09-10 Sony Ericsson Mobile Comm Ab Schaltung zur Ansteuerung kleiner elektrodynamischer Wandler in Audiosystemen in Abhängigkeit von Merkmalen des Eingangssignals
JP2004112414A (ja) * 2002-09-19 2004-04-08 Yamaha Corp オーディオコンプレッサ
JP4402977B2 (ja) * 2003-02-14 2010-01-20 ジーエヌ リザウンド エー/エス 補聴器における動的圧縮
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
US20050135644A1 (en) * 2003-12-23 2005-06-23 Yingyong Qi Digital cell phone with hearing aid functionality
EP1709734B1 (en) * 2004-01-19 2008-05-21 Nxp B.V. System for audio signal processing
JP4382626B2 (ja) * 2004-10-20 2009-12-16 Necエンジニアリング株式会社 音声信号レベル制御装置及びその方法
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05145991A (ja) * 1991-11-18 1993-06-11 Matsushita Electric Ind Co Ltd 低音域特性補正回路
JPH06177688A (ja) * 1992-10-05 1994-06-24 Mitsubishi Electric Corp オーディオ信号処理装置
JPH09232896A (ja) * 1996-02-27 1997-09-05 Alpine Electron Inc オーディオ信号処理方法
WO2005086525A1 (ja) * 2004-03-05 2005-09-15 Rohm Co., Ltd フィルタ回路およびそれを利用した再生装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011125018A (ja) * 2009-12-09 2011-06-23 Samsung Electronics Co Ltd 携帯用端末機における音量増加装置及びその方法
JP2017502541A (ja) * 2013-10-22 2017-01-19 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー デジタル信号処理のためのシステムおよび方法
JP2022029438A (ja) * 2020-08-04 2022-02-17 新唐科技股▲ふん▼有限公司 オーディオ処理装置、およびオーディオ処理方法
JP7371065B2 (ja) 2020-08-04 2023-10-30 新唐科技股▲ふん▼有限公司 オーディオ処理装置、およびオーディオ処理方法

Also Published As

Publication number Publication date
CN101641965A (zh) 2010-02-03
EP2139264B1 (en) 2014-10-08
JPWO2008126496A1 (ja) 2010-07-22
JP4986182B2 (ja) 2012-07-25
US20100086149A1 (en) 2010-04-08
EP2139264A1 (en) 2009-12-30
CN105811910B (zh) 2018-08-28
CN105811910A (zh) 2016-07-27
EP2139264A4 (en) 2011-07-06

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