DK174391B1 - Lydkanalkredsløb for digitale fjernsynsmodtagere - Google Patents

Lydkanalkredsløb for digitale fjernsynsmodtagere Download PDF

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Publication number
DK174391B1
DK174391B1 DK199001114A DK111490A DK174391B1 DK 174391 B1 DK174391 B1 DK 174391B1 DK 199001114 A DK199001114 A DK 199001114A DK 111490 A DK111490 A DK 111490A DK 174391 B1 DK174391 B1 DK 174391B1
Authority
DK
Denmark
Prior art keywords
output
digital
analog
frequency
signal
Prior art date
Application number
DK199001114A
Other languages
Danish (da)
English (en)
Other versions
DK111490D0 (da
DK111490A (da
Inventor
Soenke Mehrgardt
Heinrich Pfeifer
Thomas Hilpert
Original Assignee
Micronas Gmbh
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 Micronas Gmbh filed Critical Micronas Gmbh
Publication of DK111490D0 publication Critical patent/DK111490D0/da
Publication of DK111490A publication Critical patent/DK111490A/da
Application granted granted Critical
Publication of DK174391B1 publication Critical patent/DK174391B1/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
    • H04N5/605—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals according to the NICAM system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Analogue/Digital Conversion (AREA)
  • Television Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DK199001114A 1987-11-06 1990-05-04 Lydkanalkredsløb for digitale fjernsynsmodtagere DK174391B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP8700682 1987-11-06
PCT/EP1987/000682 WO1989004576A1 (en) 1987-11-06 1987-11-06 Sound channel circuit for digital television receivers

Publications (3)

Publication Number Publication Date
DK111490D0 DK111490D0 (da) 1990-05-04
DK111490A DK111490A (da) 1990-07-04
DK174391B1 true DK174391B1 (da) 2003-01-27

Family

ID=8165214

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199001114A DK174391B1 (da) 1987-11-06 1990-05-04 Lydkanalkredsløb for digitale fjernsynsmodtagere

Country Status (9)

Country Link
US (1) US5202766A (fi)
EP (1) EP0385974B1 (fi)
JP (1) JPH0824356B2 (fi)
CN (1) CN1009239B (fi)
DE (1) DE3784946D1 (fi)
DK (1) DK174391B1 (fi)
FI (1) FI87505C (fi)
NO (1) NO173120C (fi)
WO (1) WO1989004576A1 (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253275A (en) 1991-01-07 1993-10-12 H. Lee Browne Audio and video transmission and receiving system
DE4102859A1 (de) * 1991-01-31 1992-08-20 Thomson Brandt Gmbh Rundfunkempfaenger mit nicam-decoder
GB9109617D0 (en) * 1991-05-03 1991-06-26 Texas Instruments Ltd Method and apparatus for signal processing
WO1992022983A2 (en) * 1991-06-11 1992-12-23 Browne H Lee Large capacity, random access, multi-source recorder player
US5493581A (en) * 1992-08-14 1996-02-20 Harris Corporation Digital down converter and method
JP3360399B2 (ja) * 1994-02-28 2002-12-24 ソニー株式会社 デジタル音声放送受信装置
GB9408759D0 (en) * 1994-05-03 1994-06-22 Texas Instruments Ltd Using high level cad tools to design application specific standard products for tv sound decoder systems
DE4417723A1 (de) * 1994-05-20 1995-11-23 Ant Nachrichtentech Einrichtung zum Verarbeiten eines modulierten reellwertigen analogen Fernsehsignals
US5640670A (en) * 1994-12-08 1997-06-17 Broadcom Corporation Narrow-band quadrature demodulator for recovering analog video and digital audio in a direct broadcast system
US5787125A (en) * 1996-05-06 1998-07-28 Motorola, Inc. Apparatus for deriving in-phase and quadrature-phase baseband signals from a communication signal
KR19980020286A (ko) * 1996-09-06 1998-06-25 김광호 아날로그 디지탈 변환에 의한 위상검출방법
US6147713A (en) * 1998-03-09 2000-11-14 General Instrument Corporation Digital signal processor for multistandard television reception
KR100442814B1 (ko) * 1998-03-26 2004-09-18 삼성전자주식회사 버스트 방식 qpsk 수신기 및 그 수신방법
US7039941B1 (en) * 1998-10-30 2006-05-02 General Instrument Corporation Low distortion passthrough circuit arrangement for cable television set top converter terminals
JP2005064764A (ja) * 2003-08-08 2005-03-10 Alps Electric Co Ltd ダイレクトコンバージョンチューナ
US7822210B2 (en) * 2004-08-17 2010-10-26 That Corporation Configurable recursive digital filter for processing television audio signals

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952187A (en) * 1975-06-27 1976-04-20 Ford Motor Company Circuit for transforming rectangular coordinates to polar coordinates
US3991377A (en) * 1975-12-02 1976-11-09 Bell Telephone Laboratories, Incorporated Differential phase shift keying demodulator
US4019149A (en) * 1976-01-16 1977-04-19 Bell Telephone Laboratories, Incorporated Correlative data demodulator
US4415928A (en) * 1981-01-26 1983-11-15 Rca Corporation Calculation of radial coordinates of polar-coordinate raster scan
US4470145A (en) * 1982-07-26 1984-09-04 Hughes Aircraft Company Single sideband quadricorrelator
DE3579234D1 (de) * 1985-06-01 1990-09-20 Itt Ind Gmbh Deutsche Schaltungsanordung zur filterung und demodulation eines mit mindestens einem tonsignal frequenzmodulierten signals.
EP0213222B1 (de) * 1985-08-27 1989-03-29 Deutsche ITT Industries GmbH Fernsehtonempfangsschaltung für mindestens einen in einem HF-signal enthaltenen Tonkanal
DE3743727A1 (de) * 1987-12-23 1989-07-13 Itt Ind Gmbh Deutsche Fernsehempfangsteil mit digital arbeitenden stufen
JPH0396180A (ja) * 1989-09-08 1991-04-22 Sony Corp 受信装置
JPH03274844A (ja) * 1990-03-24 1991-12-05 Japan Radio Co Ltd Ｐｓｋ変調信号の遅延検波回路

Also Published As

Publication number Publication date
NO173120C (no) 1993-10-27
NO892788D0 (no) 1989-07-05
DK111490D0 (da) 1990-05-04
US5202766A (en) 1993-04-13
NO892788L (no) 1989-08-29
JPH03502027A (ja) 1991-05-09
FI894322A0 (fi) 1989-09-13
DE3784946D1 (de) 1993-04-22
EP0385974B1 (de) 1993-03-17
WO1989004576A1 (en) 1989-05-18
CN1009239B (zh) 1990-08-15
EP0385974A1 (de) 1990-09-12
CN1032993A (zh) 1989-05-17
DK111490A (da) 1990-07-04
NO173120B (no) 1993-07-19
JPH0824356B2 (ja) 1996-03-06
FI87505C (fi) 1993-01-11
FI87505B (fi) 1992-09-30

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