DE69227091T2 - Schaltung zur Mischung und Verdoppelung von niedrigen Tonfrequenzen - Google Patents

Schaltung zur Mischung und Verdoppelung von niedrigen Tonfrequenzen

Info

Publication number
DE69227091T2
DE69227091T2 DE1992627091 DE69227091T DE69227091T2 DE 69227091 T2 DE69227091 T2 DE 69227091T2 DE 1992627091 DE1992627091 DE 1992627091 DE 69227091 T DE69227091 T DE 69227091T DE 69227091 T2 DE69227091 T2 DE 69227091T2
Authority
DE
Germany
Prior art keywords
circuit arrangement
frequency
arrangement according
signal
low
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
DE1992627091
Other languages
German (de)
English (en)
Other versions
DE69227091D1 (de
Inventor
Wayne C/O Int.Octrooibureau B.V. Nl-5656 Aa Eindhoven Schott
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69227091D1 publication Critical patent/DE69227091D1/de
Publication of DE69227091T2 publication Critical patent/DE69227091T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE1992627091 1991-12-09 1992-12-03 Schaltung zur Mischung und Verdoppelung von niedrigen Tonfrequenzen Expired - Fee Related DE69227091T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80535691A 1991-12-09 1991-12-09

Publications (2)

Publication Number Publication Date
DE69227091D1 DE69227091D1 (de) 1998-10-29
DE69227091T2 true DE69227091T2 (de) 1999-05-20

Family

ID=25191353

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992627091 Expired - Fee Related DE69227091T2 (de) 1991-12-09 1992-12-03 Schaltung zur Mischung und Verdoppelung von niedrigen Tonfrequenzen

Country Status (3)

Country Link
EP (1) EP0546619B1 (enExample)
JP (1) JPH05328481A (enExample)
DE (1) DE69227091T2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0746083A (ja) * 1993-07-27 1995-02-14 Toshiba Corp 音声合成兼帯域制限回路及び低音増強回路
JPH08237800A (ja) * 1995-02-27 1996-09-13 Matsushita Electric Ind Co Ltd 低音増強回路
TW343417B (en) * 1996-05-08 1998-10-21 Philips Eloctronics N V Circuit, audio system and method for processing signals, and a harmonics generator
FI105522B (fi) * 1996-08-06 2000-08-31 Sample Rate Systems Oy Järjestely kotiteatteri- tai muussa äänentoistolaitteistossa
US5930373A (en) * 1997-04-04 1999-07-27 K.S. Waves Ltd. Method and system for enhancing quality of sound signal
US6792119B1 (en) 1997-05-05 2004-09-14 Koninklijke Philips Electronics N.V. Audio system
KR20000069914A (ko) 1997-11-07 2000-11-25 요트.게.아. 롤페즈 오디오 신호 처리 회로를 구비하는 오디오 시스템
KR100560319B1 (ko) * 1997-11-07 2006-03-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 처리 회로를 포함하는 오디오 시스템
AU1072099A (en) * 1997-11-17 1999-06-07 Srs Labs, Inc Low-frequency audio simulation system
US6285767B1 (en) 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
JP4248148B2 (ja) * 1998-09-08 2009-04-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオシステムにおける低音強化手段
CN1296722A (zh) * 1999-03-24 2001-05-23 皇家菲利浦电子有限公司 带阻滤波器
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
EP1168296B1 (en) * 2000-05-30 2004-10-27 Yamaha Corporation Waveform signal generation method with pseudo low tone synthesis
US7574009B2 (en) 2001-09-21 2009-08-11 Roland Aubauer Method and apparatus for controlling the reproduction in audio signals in electroacoustic converters
JP4682137B2 (ja) * 2003-09-16 2011-05-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ周波数レンジ適応
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
US9236842B2 (en) 2011-12-27 2016-01-12 Dts Llc Bass enhancement system
WO2014190140A1 (en) 2013-05-23 2014-11-27 Alan Kraemer Headphone audio enhancement system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518551B1 (enExample) * 1970-07-09 1976-03-17
GB2153187A (en) * 1984-01-20 1985-08-14 Linn Prod Ltd A method of processing audio information
US4607381A (en) * 1984-10-05 1986-08-19 Sony Corporation Signal mixing circuit
JPS61248602A (ja) * 1985-04-26 1986-11-05 Toshiba Corp 周波数２逓倍器

Also Published As

Publication number Publication date
EP0546619B1 (en) 1998-09-23
EP0546619A3 (enExample) 1994-04-20
EP0546619A2 (en) 1993-06-16
JPH05328481A (ja) 1993-12-10
DE69227091D1 (de) 1998-10-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8321 Willingness to grant licences paragraph 23 withdrawn
8339 Ceased/non-payment of the annual fee