HK1035287A1 - Apparatus and method for processing a vestigial sideband modulated signal containing high definition video data - Google Patents

Apparatus and method for processing a vestigial sideband modulated signal containing high definition video data

Info

Publication number
HK1035287A1
HK1035287A1 HK01105937A HK01105937A HK1035287A1 HK 1035287 A1 HK1035287 A1 HK 1035287A1 HK 01105937 A HK01105937 A HK 01105937A HK 01105937 A HK01105937 A HK 01105937A HK 1035287 A1 HK1035287 A1 HK 1035287A1
Authority
HK
Hong Kong
Prior art keywords
processing
video data
modulated signal
high definition
signal containing
Prior art date
Application number
HK01105937A
Inventor
Tian Jun Wang
Original Assignee
Thomson Licensing Sa
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
Priority claimed from GBGB9723052.8A external-priority patent/GB9723052D0/en
Priority claimed from US09/140,257 external-priority patent/US6233295B1/en
Application filed by Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of HK1035287A1 publication Critical patent/HK1035287A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • 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
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Synchronizing For Television (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
HK01105937A 1997-10-31 2001-08-22 Apparatus and method for processing a vestigial sideband modulated signal containing high definition video data HK1035287A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9723052.8A GB9723052D0 (en) 1997-10-31 1997-10-31 High definition television vsb receiver
US09/140,257 US6233295B1 (en) 1998-08-26 1998-08-26 Segment sync recovery network for an HDTV receiver
PCT/US1998/021994 WO1999023815A1 (en) 1997-10-31 1998-10-15 Segment sync recovery network for an hdtv receiver

Publications (1)

Publication Number Publication Date
HK1035287A1 true HK1035287A1 (en) 2001-11-16

Family

ID=26312530

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01105937A HK1035287A1 (en) 1997-10-31 2001-08-22 Apparatus and method for processing a vestigial sideband modulated signal containing high definition video data

Country Status (6)

Country Link
JP (1) JP4149662B2 (en)
KR (1) KR100615538B1 (en)
CN (1) CN1130899C (en)
AU (1) AU1271099A (en)
HK (1) HK1035287A1 (en)
WO (1) WO1999023815A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445423B1 (en) * 1999-07-09 2002-09-03 Thomson Licensing S.A. Controlled oscillator in a digital symbol timing recovery network
US6275554B1 (en) * 1999-07-09 2001-08-14 Thomson Licensing S.A. Digital symbol timing recovery network
US6707861B1 (en) * 1999-10-26 2004-03-16 Thomson Licensing S.A. Demodulator for an HDTV receiver
US6298100B1 (en) * 1999-10-26 2001-10-02 Thomson Licensing S.A. Phase error estimation method for a demodulator in an HDTV receiver
KR100893421B1 (en) * 2001-04-16 2009-04-17 톰슨 라이센싱 Demodulator for high definition television receiver
US7038733B2 (en) * 2002-01-30 2006-05-02 Ericsson Inc. Television receivers and methods for processing signal sample streams synchronously with line/frame patterns
AU2003221948A1 (en) * 2002-04-19 2003-11-03 Aaron Reel Bouillet Symbol timing search algorithm
KR100505669B1 (en) * 2003-02-05 2005-08-03 삼성전자주식회사 Demodulator circuit of digital television and method thereof
KR20050008431A (en) * 2003-07-15 2005-01-21 삼성전자주식회사 Digital broadcasting transmission/reception capable of improving a receiving performance and a method signal processing thereof
KR20090115135A (en) 2007-02-02 2009-11-04 톰슨 라이센싱 Apparatus and method for detecting free atsc channels

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416524A (en) * 1991-07-18 1995-05-16 Zenith Electronics Corp. Digital television synchronization system and method
KR960013655B1 (en) * 1994-04-12 1996-10-10 엘지전자 주식회사 Data segment sync. signal detection circuit for hdtv
KR0143115B1 (en) * 1995-06-09 1998-07-15 김광호 A restoration circuit of symbol timing and the method thereof
KR0169619B1 (en) * 1995-06-09 1999-03-20 김광호 Data segment sync. signal generation apparatus and method thereof
KR0147661B1 (en) * 1995-08-30 1998-09-15 김광호 Detect circuit and method of data segment synchronization

Also Published As

Publication number Publication date
CN1285992A (en) 2001-02-28
AU1271099A (en) 1999-05-24
JP4149662B2 (en) 2008-09-10
WO1999023815A1 (en) 1999-05-14
KR100615538B1 (en) 2006-08-25
CN1130899C (en) 2003-12-10
JP2001522202A (en) 2001-11-13
KR20010024559A (en) 2001-03-26

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PE Patent expired

Effective date: 20181014