JPS54127205A - Audio signal processor - Google Patents

Audio signal processor

Info

Publication number
JPS54127205A
JPS54127205A JP2757779A JP2757779A JPS54127205A JP S54127205 A JPS54127205 A JP S54127205A JP 2757779 A JP2757779 A JP 2757779A JP 2757779 A JP2757779 A JP 2757779A JP S54127205 A JPS54127205 A JP S54127205A
Authority
JP
Japan
Prior art keywords
audio signal
signal
signal processor
energy
signals
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
JP2757779A
Other languages
English (en)
Other versions
JPS5924440B2 (ja
Inventor
Ii Buratsukumaa Debitsudo
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.)
Dbx Inc
Original Assignee
Dbx Inc
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 Dbx Inc filed Critical Dbx Inc
Publication of JPS54127205A publication Critical patent/JPS54127205A/ja
Publication of JPS5924440B2 publication Critical patent/JPS5924440B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/307Frequency adjustment, e.g. tone control
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G5/00Tone control or bandwidth control in amplifiers
    • H03G5/16Automatic control
    • H03G5/165Equalizers; Volume or gain control in limited frequency bands
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • H04S1/002Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
JP54027577A 1978-03-10 1979-03-09 音声信号処理装置 Expired JPS5924440B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/885,393 US4182930A (en) 1978-03-10 1978-03-10 Detection and monitoring device
US000000885393 1978-03-10

Publications (2)

Publication Number Publication Date
JPS54127205A true JPS54127205A (en) 1979-10-03
JPS5924440B2 JPS5924440B2 (ja) 1984-06-09

Family

ID=25386805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54027577A Expired JPS5924440B2 (ja) 1978-03-10 1979-03-09 音声信号処理装置

Country Status (6)

Country Link
US (1) US4182930A (ja)
JP (1) JPS5924440B2 (ja)
CA (1) CA1102000A (ja)
DE (1) DE2909352A1 (ja)
FR (1) FR2419641A1 (ja)
GB (1) GB2016248B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002524996A (ja) * 1998-09-04 2002-08-06 エスアールエス・ラブス・インコーポレーテッド 低周波オーディオエンハンスメントシステム

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468804A (en) * 1982-02-26 1984-08-28 Signatron, Inc. Speech enhancement techniques
US4490683A (en) * 1982-09-30 1984-12-25 Ford Motor Company Electronic control switch for a power boost amplifier
US4700390A (en) * 1983-03-17 1987-10-13 Kenji Machida Signal synthesizer
US4698842A (en) * 1985-07-11 1987-10-06 Electronic Engineering And Manufacturing, Inc. Audio processing system for restoring bass frequencies
DE3630692A1 (de) * 1985-09-10 1987-04-30 Canon Kk Tonsignaluebertragungssystem
DE3782959T2 (de) * 1986-04-01 1993-06-24 Matsushita Electric Ind Co Ltd Erzeuger von niederfrequenten toenen.
US4982435A (en) * 1987-04-17 1991-01-01 Sanyo Electric Co., Ltd. Automatic loudness control circuit
SE466377B (sv) * 1989-03-06 1992-02-03 Leif Palmaer Foervaltnings Ab Saett och anordning foer att foerbaettra uppfattbarheten hos med hjaelp av en kontaktmikrofon upptaget tal
KR910007982Y1 (ko) * 1989-09-19 1991-10-10 삼성전자 주식회사 중저음 레벨 제어회로
JP3295480B2 (ja) * 1992-04-24 2002-06-24 パイオニア株式会社 周波数コントロール装置および方法
DE69227681T2 (de) * 1992-07-31 1999-06-10 Aphex Systems Ltd Anordnung zur Anhebung der Bassfrequenz eines Audiosignals
JP2841257B2 (ja) * 1992-09-28 1998-12-24 株式会社河合楽器製作所 残響付加装置
US5893068A (en) * 1993-06-03 1999-04-06 Nec Corporation Method of expanding a frequency range of a digital audio signal without increasing a sampling rate
US5471527A (en) 1993-12-02 1995-11-28 Dsc Communications Corporation Voice enhancement system and method
US6037993A (en) * 1997-03-17 2000-03-14 Antec Corporation Digital BTSC compander system
US5930373A (en) * 1997-04-04 1999-07-27 K.S. Waves Ltd. Method and system for enhancing quality of sound signal
AU1072099A (en) * 1997-11-17 1999-06-07 Srs Labs, Inc Low-frequency audio simulation system
US6259482B1 (en) 1998-03-11 2001-07-10 Matthew F. Easley Digital BTSC compander system
DE19928420A1 (de) * 1999-06-23 2000-12-28 Micronas Gmbh Verfahren zur Verarbeitung eines Audiosignals
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7277767B2 (en) 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US7136493B2 (en) * 2000-06-28 2006-11-14 Peavey Electronics Corporation Sub-harmonic generator and stereo expansion processor
EP1428411B2 (de) 2001-09-21 2011-11-30 Gigaset Communications GmbH Verfahren und vorrichtung zur steuerung der basswiedergabe von audiosignalen in elektroakustischen wandlern
US7242779B2 (en) * 2002-05-30 2007-07-10 Peavey Electronics Corporation Methods and apparatus for sub-harmonic generation, stereo expansion and distortion
US7248702B2 (en) * 2003-01-06 2007-07-24 Thomas Nelson Packard Sound enhancement system
US20070127731A1 (en) * 2003-12-01 2007-06-07 Koninklijke Philips Electronics N.V. Selective audio signal enhancement
US7778718B2 (en) * 2005-05-24 2010-08-17 Rockford Corporation Frequency normalization of audio signals
TWI339991B (en) * 2006-04-27 2011-04-01 Univ Nat Chiao Tung Method for virtual bass synthesis
JP2007325057A (ja) * 2006-06-02 2007-12-13 Rohm Co Ltd 電子ボリウム装置、電子ボリウム制御方法およびそれらを用いた電子機器
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
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
WO2014190140A1 (en) 2013-05-23 2014-11-27 Alan Kraemer Headphone audio enhancement system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127476A (en) * 1964-03-31 david
US2408692A (en) * 1942-04-29 1946-10-01 Rca Corp Signaling system
US2379714A (en) * 1942-05-14 1945-07-03 Rca Corp Audio transmission network
US3281533A (en) * 1963-09-03 1966-10-25 Inter Aural Res Inc Stereophonic sound system
US3431356A (en) * 1965-06-04 1969-03-04 Integrated Electronic Corp Apparatus and method for reconstructing speech
US3634625A (en) * 1968-09-23 1972-01-11 Westinghouse Electric Corp Speech unscrambler
JPS5723279B2 (ja) * 1972-06-03 1982-05-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002524996A (ja) * 1998-09-04 2002-08-06 エスアールエス・ラブス・インコーポレーテッド 低周波オーディオエンハンスメントシステム

Also Published As

Publication number Publication date
JPS5924440B2 (ja) 1984-06-09
GB2016248B (en) 1982-03-31
US4182930A (en) 1980-01-08
FR2419641A1 (fr) 1979-10-05
DE2909352A1 (de) 1979-09-20
CA1102000A (en) 1981-05-26
DE2909352C2 (ja) 1989-01-26
FR2419641B1 (ja) 1984-04-13
GB2016248A (en) 1979-09-19

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