JPH05328481A - 周波数２倍兼混合回路 - Google Patents

周波数２倍兼混合回路

Info

Publication number
JPH05328481A
JPH05328481A JP4326729A JP32672992A JPH05328481A JP H05328481 A JPH05328481 A JP H05328481A JP 4326729 A JP4326729 A JP 4326729A JP 32672992 A JP32672992 A JP 32672992A JP H05328481 A JPH05328481 A JP H05328481A
Authority
JP
Japan
Prior art keywords
frequency
doubling
low
signal
mixing circuit
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.)
Pending
Application number
JP4326729A
Other languages
English (en)
Japanese (ja)
Inventor
Wayne Schott
スコット ウェイン
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
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of JPH05328481A publication Critical patent/JPH05328481A/ja
Pending 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)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
JP4326729A 1991-12-09 1992-12-07 周波数２倍兼混合回路 Pending JPH05328481A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80535691A 1991-12-09 1991-12-09
US07/805356 1991-12-09

Publications (1)

Publication Number Publication Date
JPH05328481A true JPH05328481A (ja) 1993-12-10

Family

ID=25191353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4326729A Pending JPH05328481A (ja) 1991-12-09 1992-12-07 周波数２倍兼混合回路

Country Status (3)

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

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
JP2001507911A (ja) 1997-11-07 2001-06-12 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 オーディオ信号処理回路を有するオーディオシステム
DE69825422T2 (de) * 1997-11-07 2005-07-21 Koninklijke Philips Electronics N.V. Audiosystem mit tonsignalverarbeitungsschaltung
WO1999026454A1 (en) * 1997-11-17 1999-05-27 Srs Labs, Inc. Low-frequency audio simulation system
US6285767B1 (en) 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
EP1044583B2 (en) * 1998-09-08 2007-09-05 Koninklijke Philips Electronics N.V. Means for bass enhancement in an audio system
JP2002540697A (ja) * 1999-03-24 2002-11-26 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 帯域消去フィルタ
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
CN1274184C (zh) 2001-09-21 2006-09-06 西门子公司 在电声变换器中控制音频信号的低音放音的方法和装置
US7474752B2 (en) * 2003-09-16 2009-01-06 Koninklijke Philips Electronics N.V. Audio frequency range adaptation
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
WO2013101605A1 (en) 2011-12-27 2013-07-04 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 (enrdf_load_stackoverflow) * 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
EP0546619A2 (en) 1993-06-16
DE69227091D1 (de) 1998-10-29
EP0546619A3 (enrdf_load_stackoverflow) 1994-04-20
EP0546619B1 (en) 1998-09-23
DE69227091T2 (de) 1999-05-20

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