DE69637056D1 - Umwandlungsschaltung für Niedrigfrequenz-Tonsignale - Google Patents

Umwandlungsschaltung für Niedrigfrequenz-Tonsignale

Info

Publication number
DE69637056D1
DE69637056D1 DE69637056T DE69637056T DE69637056D1 DE 69637056 D1 DE69637056 D1 DE 69637056D1 DE 69637056 T DE69637056 T DE 69637056T DE 69637056 T DE69637056 T DE 69637056T DE 69637056 D1 DE69637056 D1 DE 69637056D1
Authority
DE
Germany
Prior art keywords
low
conversion circuit
sound signals
frequency sound
frequency
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.)
Expired - Fee Related
Application number
DE69637056T
Other languages
English (en)
Other versions
DE69637056T2 (de
Inventor
Mikio Oda
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69637056D1 publication Critical patent/DE69637056D1/de
Application granted granted Critical
Publication of DE69637056T2 publication Critical patent/DE69637056T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • 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
DE69637056T 1995-02-27 1996-02-14 Umwandlungsschaltung für Niedrigfrequenz-Tonsignale Expired - Fee Related DE69637056T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3833095 1995-02-27
JP7038330A JPH08237800A (ja) 1995-02-27 1995-02-27 低音増強回路

Publications (2)

Publication Number Publication Date
DE69637056D1 true DE69637056D1 (de) 2007-06-14
DE69637056T2 DE69637056T2 (de) 2008-03-13

Family

ID=12522277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69637056T Expired - Fee Related DE69637056T2 (de) 1995-02-27 1996-02-14 Umwandlungsschaltung für Niedrigfrequenz-Tonsignale

Country Status (8)

Country Link
US (2) US5668885A (de)
EP (1) EP0729287B1 (de)
JP (1) JPH08237800A (de)
KR (1) KR100199787B1 (de)
CN (1) CN1065378C (de)
CA (1) CA2170470C (de)
DE (1) DE69637056T2 (de)
MY (2) MY113580A (de)

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DE60106680T2 (de) 2000-05-30 2006-02-09 Yamaha Corp., Hamamatsu Wellenformsignalerzeugung mit Synthetisierung von pseudo-tiefen Tönen
US6728721B1 (en) * 2000-06-23 2004-04-27 Microsoft Corporation System and method for maintaining a user's state within a database table
US7079660B2 (en) * 2001-04-16 2006-07-18 Rohm Co., Ltd. Bass compensation device and a sound system using the device
EP1271869B1 (de) * 2001-06-23 2004-03-17 Micronas GmbH Verfahren zur Dekodierung von Biphase-Signalen
WO2003018722A2 (en) * 2001-08-28 2003-03-06 Koninklijke Philips Electronics N.V. Circuit and method for processing an audio signal
US20050175185A1 (en) * 2002-04-25 2005-08-11 Peter Korner Audio bandwidth extending system and method
US7292655B2 (en) * 2002-06-24 2007-11-06 Micronas Gmbh Apparatus and method and decoding biphase signals
GB2391439B (en) * 2002-07-30 2006-06-21 Wolfson Ltd Bass compressor
EP1473965A2 (de) 2003-04-17 2004-11-03 Matsushita Electric Industrial Co., Ltd. Vorrichtung und Verfahren zur Verarbeitung von akustischen Signalen
CN1662100B (zh) * 2004-02-24 2010-12-08 三洋电机株式会社 低音强调电路以及低音强调处理方法
NZ532572A (en) * 2004-04-26 2006-10-27 Phitek Systems Ltd Audio signal processing for generating apparent bass through harmonics
JP4494902B2 (ja) * 2004-08-10 2010-06-30 フォスター電機株式会社 音響再生装置
JP2008053902A (ja) * 2006-08-23 2008-03-06 Pioneer Electronic Corp 音響再生システム及び音響再生方法
KR100829567B1 (ko) * 2006-10-17 2008-05-14 삼성전자주식회사 청각특성을 이용한 저음 음향 신호 보강 처리 방법 및 장치
JP4666229B2 (ja) * 2006-10-18 2011-04-06 ソニー株式会社 オーディオ再生装置
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
JP2009044268A (ja) * 2007-08-06 2009-02-26 Sharp Corp 音声信号処理装置、音声信号処理方法、音声信号処理プログラム、及び、記録媒体
CN101489165B (zh) * 2008-01-16 2013-05-08 鸿富锦精密工业（深圳）有限公司 音频补偿装置
CN101714861B (zh) * 2008-10-03 2012-05-23 瑞昱半导体股份有限公司 谐波产生装置及其产生方法
TWI462601B (zh) * 2008-10-03 2014-11-21 Realtek Semiconductor Corp 音頻信號裝置及方法
WO2010101446A2 (en) * 2009-03-06 2010-09-10 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
KR20110064823A (ko) * 2009-12-09 2011-06-15 삼성전자주식회사 휴대용 단말기에서 음량 증가 장치 및 방법
US8284957B2 (en) 2010-07-12 2012-10-09 Creative Technology Ltd Method and apparatus for stereo enhancement of an audio system
PL2798737T3 (pl) 2011-12-27 2019-05-31 Dts Inc System wzbogacania niskich tonów
US9247342B2 (en) 2013-05-14 2016-01-26 James J. Croft, III Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system
JP6286925B2 (ja) * 2013-08-19 2018-03-07 ヤマハ株式会社 オーディオ信号処理装置
CN104883643A (zh) * 2015-03-31 2015-09-02 广州乐畅声学科技有限公司 低音增强系统及其控制方法
CN106211007B (zh) * 2015-05-08 2022-01-14 深圳市三诺声智联股份有限公司 一种3d立体声环绕系统
US9794689B2 (en) * 2015-10-30 2017-10-17 Guoguang Electric Company Limited Addition of virtual bass in the time domain
US10405094B2 (en) 2015-10-30 2019-09-03 Guoguang Electric Company Limited Addition of virtual bass
US9794688B2 (en) * 2015-10-30 2017-10-17 Guoguang Electric Company Limited Addition of virtual bass in the frequency domain
US10893362B2 (en) 2015-10-30 2021-01-12 Guoguang Electric Company Limited Addition of virtual bass
CN107896358A (zh) * 2017-11-24 2018-04-10 江门市兰格电子有限公司 一种人声修饰器

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US4698842A (en) * 1985-07-11 1987-10-06 Electronic Engineering And Manufacturing, Inc. Audio processing system for restoring bass frequencies
CH665112A5 (fr) * 1985-10-11 1988-04-29 Eric Furugard Stethoscope acoustique et a filtre electrique.
EP0240286B1 (de) * 1986-04-01 1992-12-09 Matsushita Electric Industrial Co., Ltd. Erzeuger von niederfrequenten Tönen
JPH0722437B2 (ja) * 1986-04-01 1995-03-08 松下電器産業株式会社 重低音再生装置
US4764967A (en) * 1986-10-27 1988-08-16 Rca Licensing Corporation Tone control system for sampled data signals
US4790018A (en) * 1987-02-11 1988-12-06 Argosy Electronics Frequency selection circuit for hearing aids
JPH0191510A (ja) * 1987-10-02 1989-04-11 Fujitsu Ten Ltd 音響再生装置
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ATE173866T1 (de) * 1992-07-31 1998-12-15 Aphex Systems Ltd Anordnung zur anhebung der bassfrequenz eines audiosignals
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Also Published As

Publication number Publication date
MY118811A (en) 2005-01-31
JPH08237800A (ja) 1996-09-13
CN1065378C (zh) 2001-05-02
US5923766A (en) 1999-07-13
KR960033076A (ko) 1996-09-17
US5668885A (en) 1997-09-16
CA2170470C (en) 2000-08-29
MY113580A (en) 2002-04-30
KR100199787B1 (ko) 1999-06-15
CN1135120A (zh) 1996-11-06
EP0729287A3 (de) 2002-04-24
EP0729287A2 (de) 1996-08-28
DE69637056T2 (de) 2008-03-13
EP0729287B1 (de) 2007-05-02
CA2170470A1 (en) 1996-08-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee