DE60111667D1 - FM-Multiplex demodulator - Google Patents

FM-Multiplex demodulator

Info

Publication number
DE60111667D1
DE60111667D1 DE60111667T DE60111667T DE60111667D1 DE 60111667 D1 DE60111667 D1 DE 60111667D1 DE 60111667 T DE60111667 T DE 60111667T DE 60111667 T DE60111667 T DE 60111667T DE 60111667 D1 DE60111667 D1 DE 60111667D1
Authority
DE
Germany
Prior art keywords
multiplex demodulator
demodulator
multiplex
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
DE60111667T
Other languages
English (en)
Other versions
DE60111667T2 (de
Inventor
Yuji Yamamoto
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of DE60111667D1 publication Critical patent/DE60111667D1/de
Publication of DE60111667T2 publication Critical patent/DE60111667T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/63—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for separation improvements or adjustments
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
DE60111667T 2000-03-31 2001-03-30 FM-Multiplex demodulator Expired - Fee Related DE60111667T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000099767A JP3837008B2 (ja) 2000-03-31 2000-03-31 Ｆｍマルチプレクス復調装置
JP2000099767 2000-03-31

Publications (2)

Publication Number Publication Date
DE60111667D1 true DE60111667D1 (de) 2005-08-04
DE60111667T2 DE60111667T2 (de) 2005-12-08

Family

ID=18614073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60111667T Expired - Fee Related DE60111667T2 (de) 2000-03-31 2001-03-30 FM-Multiplex demodulator

Country Status (4)

Country Link
US (1) US6823071B2 (de)
EP (1) EP1139573B1 (de)
JP (1) JP3837008B2 (de)
DE (1) DE60111667T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2475333B (en) * 2009-11-17 2016-12-28 Cambridge Silicon Radio Ltd FM receiver noise reduction
JP2014502442A (ja) * 2010-11-05 2014-01-30 セミコンダクター アイディアズ トゥー ザ マーケット（アイ ティー オー エム）ビー ヴィ ステレオ信号に含まれているノイズを減少させる方法、その方法を用いるステレオ信号処理デバイス及びｆｍ受信器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511026A1 (de) * 1975-03-13 1976-09-16 Siemens Ag Schaltungsanordnung zur kontinuierlichen basisbreiteneinstellung in einem stereodecoder
JPS6019336A (ja) * 1983-07-13 1985-01-31 Pioneer Electronic Corp ノイズ低減回路
JPH0787391B2 (ja) * 1989-02-03 1995-09-20 パイオニア株式会社 Ｆｍステレオチューナのノイズリダクション装置
CA2025012A1 (en) * 1989-09-11 1991-03-12 William R. Short Audible noise reducing
US5068896A (en) * 1989-09-11 1991-11-26 Bose Corporation Audible noise reducing
JP3370716B2 (ja) * 1993-01-22 2003-01-27 クラリオン株式会社 Ｆｍステレオの帯域分割による信号処理回路
DE4309518A1 (de) * 1993-03-24 1994-10-06 Blaupunkt Werke Gmbh Schaltungsanordnung zur Ableitung mindestens eines von der Qualität eines empfangenen Signals abhängigen Qualitätssignals
JPH06315016A (ja) * 1993-04-28 1994-11-08 Sanyo Electric Co Ltd ラジオ受信機のノイズ低減回路
JP2993626B2 (ja) * 1993-06-08 1999-12-20 松下電器産業株式会社 雑音抑圧装置
US5740523A (en) * 1993-06-30 1998-04-14 Shintom Co., Ltd. Radio receiver
JP3672948B2 (ja) * 1994-07-05 2005-07-20 クラリオン株式会社 Ｆｍステレオ信号処理装置
JP2000332710A (ja) * 1999-05-24 2000-11-30 Sanyo Electric Co Ltd ステレオ放送用受信装置

Also Published As

Publication number Publication date
DE60111667T2 (de) 2005-12-08
EP1139573A3 (de) 2003-10-15
EP1139573B1 (de) 2005-06-29
EP1139573A2 (de) 2001-10-04
JP2001285227A (ja) 2001-10-12
JP3837008B2 (ja) 2006-10-25
US6823071B2 (en) 2004-11-23
US20010026620A1 (en) 2001-10-04

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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