DE69029022T2 - Reduktion von hörbarem Rauschen - Google Patents

Reduktion von hörbarem Rauschen

Info

Publication number
DE69029022T2
DE69029022T2 DE69029022T DE69029022T DE69029022T2 DE 69029022 T2 DE69029022 T2 DE 69029022T2 DE 69029022 T DE69029022 T DE 69029022T DE 69029022 T DE69029022 T DE 69029022T DE 69029022 T2 DE69029022 T2 DE 69029022T2
Authority
DE
Germany
Prior art keywords
signal output
audible noise
control signal
reduction
cutoff 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
DE69029022T
Other languages
English (en)
Other versions
DE69029022D1 (de
Inventor
William R Short
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.)
Bose Corp
Original Assignee
Bose 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 Bose Corp filed Critical Bose Corp
Application granted granted Critical
Publication of DE69029022D1 publication Critical patent/DE69029022D1/de
Publication of DE69029022T2 publication Critical patent/DE69029022T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
    • H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
    • H04B1/1676—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal of the sum or difference signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Headphones And Earphones (AREA)
DE69029022T 1989-09-11 1990-09-11 Reduktion von hörbarem Rauschen Expired - Fee Related DE69029022T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40535989A 1989-09-11 1989-09-11

Publications (2)

Publication Number Publication Date
DE69029022D1 DE69029022D1 (de) 1996-12-05
DE69029022T2 true DE69029022T2 (de) 1997-02-27

Family

ID=23603373

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029022T Expired - Fee Related DE69029022T2 (de) 1989-09-11 1990-09-11 Reduktion von hörbarem Rauschen

Country Status (5)

Country Link
EP (1) EP0418036B1 (de)
JP (1) JP3419451B2 (de)
AT (1) ATE144868T1 (de)
CA (1) CA2025012A1 (de)
DE (1) DE69029022T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202638A1 (de) * 2002-01-24 2003-08-14 Harman Becker Automotive Sys Verfahren zum Umblenden von Stereo-auf Mono-und von Mono-auf Stereowiedergabe in einem Stereorundfunkempfänger sowie Stereorundfunkempfänger

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459383A3 (en) * 1990-05-30 1993-12-15 Pioneer Electronic Corp Radio receiver
ES2147787T3 (es) * 1993-03-24 2000-10-01 Blaupunkt Werke Gmbh Disposicion de circuito para la derivacion de una señal que indica interferencias en una señal multiplex estereo recibida.
US5661809A (en) * 1993-03-24 1997-08-26 Blaupunkt-Werke Gmbh Radio receiver having digital signal processing
DE4309518A1 (de) * 1993-03-24 1994-10-06 Blaupunkt Werke Gmbh Schaltungsanordnung zur Ableitung mindestens eines von der Qualität eines empfangenen Signals abhängigen Qualitätssignals
US5661810A (en) * 1993-03-24 1997-08-26 Robert Bosch Gmbh Circuit arrangement for deriving signals for masking audio signals
PT642715E (pt) * 1993-03-24 2002-03-28 Blaupunkt Werke Gmbh Receptor radio com processamento digital do sinal
CA2125220C (en) * 1993-06-08 2000-08-15 Joji Kane Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting system
DE69840020D1 (de) * 1998-04-29 2008-10-30 Sony Deutschland Gmbh Verfahren und Vorrichtung zum demultiplexieren eines frequenzdemodulierten Stereomultiplexsignals
JP3837008B2 (ja) * 2000-03-31 2006-10-25 パイオニア株式会社 Ｆｍマルチプレクス復調装置
DE60043585D1 (de) 2000-11-08 2010-02-04 Sony Deutschland Gmbh Störungsreduktion eines Stereoempfängers
EP1361663B1 (de) * 2002-05-08 2008-08-13 Sony Deutschland GmbH Rauschsignaldetektion in einem UKW Rundfunkempfänger
CA2462463A1 (en) * 2004-03-30 2005-09-30 Dspfactory Ltd. Method and system for reducing audible side effects of dynamic current consumption
DE102005035094A1 (de) * 2005-07-27 2007-02-01 Robert Bosch Gmbh Audiosignal-Wiedergabevorrichtung
GB2475333B (en) 2009-11-17 2016-12-28 Cambridge Silicon Radio Ltd FM receiver noise reduction
EP2636153A1 (de) * 2010-11-05 2013-09-11 Semiconductor Ideas To The Market (ITOM) Verfahren zur verringerung von rauschen in einem stereosignal, vorrichtung zur verarbeitung von stereosignalen und fm-empfänger mit dem verfahren
US10114405B2 (en) 2016-02-15 2018-10-30 Electrolux Home Products, Inc. Safety control lockout knob
CN116548928B (zh) * 2023-07-11 2023-09-08 西安浩阳志德医疗科技有限公司 一种基于互联网的护理服务系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187100A (ja) * 1982-04-27 1983-11-01 Nippon Gakki Seizo Kk ステレオ信号の雑音除去回路
DE3721918C1 (en) * 1987-07-02 1988-11-24 Becker Autoradio Method for evaluating the suitability for reception of the frequency-modulated broadcast transmissions received in an FM broadcast receiver, and circuit arrangement for carrying out the method
JPS6454827A (en) * 1987-08-25 1989-03-02 Toshiba Corp Fm demodulation output processing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10202638A1 (de) * 2002-01-24 2003-08-14 Harman Becker Automotive Sys Verfahren zum Umblenden von Stereo-auf Mono-und von Mono-auf Stereowiedergabe in einem Stereorundfunkempfänger sowie Stereorundfunkempfänger

Also Published As

Publication number Publication date
JP3419451B2 (ja) 2003-06-23
CA2025012A1 (en) 1991-03-12
DE69029022D1 (de) 1996-12-05
EP0418036B1 (de) 1996-10-30
EP0418036A3 (en) 1991-12-27
ATE144868T1 (de) 1996-11-15
EP0418036A2 (de) 1991-03-20
JPH03179828A (ja) 1991-08-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee