CA2428064A1 - Apparatus and method for determining the programme to which a digital broadcast receiver is tuned - Google Patents

Apparatus and method for determining the programme to which a digital broadcast receiver is tuned Download PDF

Info

Publication number
CA2428064A1
CA2428064A1 CA002428064A CA2428064A CA2428064A1 CA 2428064 A1 CA2428064 A1 CA 2428064A1 CA 002428064 A CA002428064 A CA 002428064A CA 2428064 A CA2428064 A CA 2428064A CA 2428064 A1 CA2428064 A1 CA 2428064A1
Authority
CA
Canada
Prior art keywords
receiver
programs
program
output
audio
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.)
Abandoned
Application number
CA002428064A
Other languages
English (en)
French (fr)
Inventor
Daozheng Lu
Keqiang Deng
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.)
TNC US Holdings Inc
Original Assignee
Nielsen Media Research, Inc.
Daozheng Lu
Keqiang Deng
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 Nielsen Media Research, Inc., Daozheng Lu, Keqiang Deng filed Critical Nielsen Media Research, Inc.
Publication of CA2428064A1 publication Critical patent/CA2428064A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/37—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/56—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
CA002428064A 2000-12-27 2001-07-10 Apparatus and method for determining the programme to which a digital broadcast receiver is tuned Abandoned CA2428064A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/748,961 2000-12-27
US09/748,961 US20020114299A1 (en) 2000-12-27 2000-12-27 Apparatus and method for measuring tuning of a digital broadcast receiver
PCT/US2001/041333 WO2002052759A2 (en) 2000-12-27 2001-07-10 Apparatus and method for determining the programme to which a digital broadcast receiver is tuned

Publications (1)

Publication Number Publication Date
CA2428064A1 true CA2428064A1 (en) 2002-07-04

Family

ID=25011640

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002428064A Abandoned CA2428064A1 (en) 2000-12-27 2001-07-10 Apparatus and method for determining the programme to which a digital broadcast receiver is tuned

Country Status (10)

Country Link
US (2) US20020114299A1 (US20040181799A1-20040916-M00006.png)
EP (1) EP1346498A2 (US20040181799A1-20040916-M00006.png)
JP (1) JP2004536477A (US20040181799A1-20040916-M00006.png)
CN (1) CN1509537A (US20040181799A1-20040916-M00006.png)
AR (1) AR030463A1 (US20040181799A1-20040916-M00006.png)
BR (1) BR0115780A (US20040181799A1-20040916-M00006.png)
CA (1) CA2428064A1 (US20040181799A1-20040916-M00006.png)
MX (1) MXPA03004846A (US20040181799A1-20040916-M00006.png)
WO (1) WO2002052759A2 (US20040181799A1-20040916-M00006.png)
ZA (1) ZA200304974B (US20040181799A1-20040916-M00006.png)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6919930B2 (en) * 2001-04-06 2005-07-19 Zenith Electronics Corporation Digital television signal translator
US20030131350A1 (en) 2002-01-08 2003-07-10 Peiffer John C. Method and apparatus for identifying a digital audio signal
JP3669965B2 (ja) * 2002-02-19 2005-07-13 株式会社ビデオリサーチ 視聴チャンネル判定方法及び装置
US20060129822A1 (en) * 2002-08-26 2006-06-15 Koninklijke Philips Electronics, N.V. Method of content identification, device, and software
WO2005113808A1 (en) * 2004-05-13 2005-12-01 Hyman Edward D Method for plasmid preparation by conversion of open circular plasmid ot supercoiled plasmid
US7510856B2 (en) 2003-03-25 2009-03-31 Hyman Edward D Method for plasmid preparation by conversion of open circular plasmid to supercoiled plasmid
EP1654803A1 (en) * 2003-08-07 2006-05-10 Koninklijke Philips Electronics N.V. Fast service scan for digital television receivers
JP2005064718A (ja) * 2003-08-08 2005-03-10 Toshiba Corp デジタル放送受信機及びデジタル放送受信方法
WO2005036877A1 (en) 2003-09-12 2005-04-21 Nielsen Media Research, Inc. Digital video signature apparatus and methods for use with video program identification systems
US9027043B2 (en) 2003-09-25 2015-05-05 The Nielsen Company (Us), Llc Methods and apparatus to detect an operating state of a display
MXPA06003935A (es) * 2003-10-07 2006-06-27 Nielsen Media Res Inc Metodos y aparato para extraer codigos de una pluralidad de canales.
US7626960B2 (en) * 2004-04-20 2009-12-01 Nokia Corporation Use of signaling for auto-configuration of modulators and repeaters
CN101077014B (zh) 2004-08-09 2013-09-25 尼尔森（美国）有限公司 用于监视来自各种源的音频/视觉内容的方法及装置
US7623823B2 (en) * 2004-08-31 2009-11-24 Integrated Media Measurement, Inc. Detecting and measuring exposure to media content items
US20060224798A1 (en) * 2005-02-22 2006-10-05 Klein Mark D Personal music preference determination based on listening behavior
JP2007006247A (ja) * 2005-06-24 2007-01-11 Toshiba Corp 電子機器およびチャンネル検出方法
WO2007022250A2 (en) 2005-08-16 2007-02-22 Nielsen Media Research, Inc. Display device on/off detection methods and apparatus
JP4621572B2 (ja) * 2005-09-22 2011-01-26 株式会社ビデオリサーチ 視聴チャンネル判定方法及び装置
CN1968025B (zh) * 2005-11-18 2011-09-28 鸿富锦精密工业（深圳）有限公司 无线电接收装置及方法
US20070137988A1 (en) * 2005-12-02 2007-06-21 Microsoft Corporation Computer control of audio/video switching
KR20090031771A (ko) 2006-07-12 2009-03-27 아비트론 인코포레이티드 휴대용 조사 장치의 사용자에 의한 사용을 모니터링하기 위한 방법 및 시스템
US10885543B1 (en) * 2006-12-29 2021-01-05 The Nielsen Company (Us), Llc Systems and methods to pre-scale media content to facilitate audience measurement
AU2008218716B2 (en) * 2007-02-20 2012-05-10 The Nielsen Company (Us), Llc Methods and apparatus for characterizing media
SI2132912T1 (sl) * 2007-03-15 2016-07-29 Nokia Technologies Oy Soodvisnost odkrivanja digitalnega oddajanja
US7787548B2 (en) * 2007-03-15 2010-08-31 Nokia Corporation Digital broadcast service discovery correlation
US7796706B2 (en) * 2007-03-15 2010-09-14 Nokia Corporation Digital broadcast service discovery correlation
US10489795B2 (en) * 2007-04-23 2019-11-26 The Nielsen Company (Us), Llc Determining relative effectiveness of media content items
WO2008137385A2 (en) 2007-05-02 2008-11-13 Nielsen Media Research, Inc. Methods and apparatus for generating signatures
CA2858944C (en) 2007-11-12 2017-08-22 The Nielsen Company (Us), Llc Methods and apparatus to perform audio watermarking and watermark detection and extraction
US8457951B2 (en) 2008-01-29 2013-06-04 The Nielsen Company (Us), Llc Methods and apparatus for performing variable black length watermarking of media
CN102982810B (zh) * 2008-03-05 2016-01-13 尼尔森（美国）有限公司 生成签名的方法和装置
US20090307084A1 (en) * 2008-06-10 2009-12-10 Integrated Media Measurement, Inc. Measuring Exposure To Media Across Multiple Media Delivery Mechanisms
US20090307061A1 (en) * 2008-06-10 2009-12-10 Integrated Media Measurement, Inc. Measuring Exposure To Media
US8180712B2 (en) 2008-09-30 2012-05-15 The Nielsen Company (Us), Llc Methods and apparatus for determining whether a media presentation device is in an on state or an off state
US8793717B2 (en) 2008-10-31 2014-07-29 The Nielsen Company (Us), Llc Probabilistic methods and apparatus to determine the state of a media device
US8335872B2 (en) * 2008-12-31 2012-12-18 Ibiquity Digital Corporation Systems and methods for fast seek and scan functions in a digital radio broadcast receiver
US8990142B2 (en) * 2009-10-30 2015-03-24 The Nielsen Company (Us), Llc Distributed audience measurement systems and methods
US9167242B1 (en) * 2010-05-04 2015-10-20 Leif Meyer Sensor measurement system and method
US8918802B2 (en) 2011-02-28 2014-12-23 The Nielsen Company (Us), Llc Methods and apparatus to monitor media exposure
CA2859560A1 (en) 2011-12-19 2013-06-27 The Nielsen Company (Us), Llc Methods and apparatus for crediting a media presentation device
US9332363B2 (en) 2011-12-30 2016-05-03 The Nielsen Company (Us), Llc System and method for determining meter presence utilizing ambient fingerprints
US9692535B2 (en) 2012-02-20 2017-06-27 The Nielsen Company (Us), Llc Methods and apparatus for automatic TV on/off detection
US9369780B2 (en) * 2014-07-31 2016-06-14 Verizon Patent And Licensing Inc. Methods and systems for detecting one or more advertisement breaks in a media content stream
US9924224B2 (en) 2015-04-03 2018-03-20 The Nielsen Company (Us), Llc Methods and apparatus to determine a state of a media presentation device
IL249978A0 (en) * 2017-01-08 2017-06-29 Levi Ofer A method and device for determining the effectiveness of advertising and/or broadcast programs

Family Cites Families (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573279A (en) * 1946-11-09 1951-10-30 Serge A Scherbatskoy System of determining the listening habits of wave signal receiver users
US2630525A (en) * 1951-05-25 1953-03-03 Musicast Inc System for transmitting and receiving coded entertainment programs
US2766374A (en) * 1951-07-25 1956-10-09 Internat Telementer Corp System and apparatus for determining popularity ratings of different transmitted programs
US3004104A (en) * 1954-04-29 1961-10-10 Muzak Corp Identification of sound and like signals
US3492577A (en) * 1966-10-07 1970-01-27 Intern Telemeter Corp Audience rating system
US3845391A (en) * 1969-07-08 1974-10-29 Audicom Corp Communication including submerged identification signal
JPS5619141B1 (US20040181799A1-20040916-M00006.png) * 1970-10-24 1981-05-06
US4025851A (en) * 1975-11-28 1977-05-24 A.C. Nielsen Company Automatic monitor for programs broadcast
US4225967A (en) * 1978-01-09 1980-09-30 Fujitsu Limited Broadcast acknowledgement method and system
US4313197A (en) * 1980-04-09 1982-01-26 Bell Telephone Laboratories, Incorporated Spread spectrum arrangement for (de)multiplexing speech signals and nonspeech signals
US4425642A (en) * 1982-01-08 1984-01-10 Applied Spectrum Technologies, Inc. Simultaneous transmission of two information signals within a band-limited communications channel
JPS58198934A (ja) * 1982-05-17 1983-11-19 Sony Corp 秘話装置
US4547804A (en) * 1983-03-21 1985-10-15 Greenberg Burton L Method and apparatus for the automatic identification and verification of commercial broadcast programs
US4523311A (en) * 1983-04-11 1985-06-11 At&T Bell Laboratories Simultaneous transmission of speech and data over an analog channel
US4512013A (en) * 1983-04-11 1985-04-16 At&T Bell Laboratories Simultaneous transmission of speech and data over an analog channel
US4816904A (en) * 1983-06-09 1989-03-28 Control Data Corporation Television and market research data collection system and method
US4703476A (en) * 1983-09-16 1987-10-27 Audicom Corporation Encoding of transmitted program material
FR2555383A1 (fr) * 1983-11-23 1985-05-24 Barrault Christian Dispositif de surveillance automatique de recepteurs radio ou television a fins d'etudes statistiques d'audience des differentes stations emettrices
US4697209A (en) * 1984-04-26 1987-09-29 A. C. Nielsen Company Methods and apparatus for automatically identifying programs viewed or recorded
US4647974A (en) * 1985-04-12 1987-03-03 Rca Corporation Station signature system
DE3523809A1 (de) * 1985-05-21 1986-11-27 Polygram Gmbh, 2000 Hamburg Verfahren zur zeitkompression von informationen in digitaler form
US4677466A (en) * 1985-07-29 1987-06-30 A. C. Nielsen Company Broadcast program identification method and apparatus
GB8611014D0 (en) * 1986-05-06 1986-06-11 Emi Plc Thorn Signal identification
US4718106A (en) * 1986-05-12 1988-01-05 Weinblatt Lee S Survey of radio audience
US5394274A (en) * 1988-01-22 1995-02-28 Kahn; Leonard R. Anti-copy system utilizing audible and inaudible protection signals
CA1301346C (en) * 1988-02-29 1992-05-19 John Malec Passive data collection system for market research data
FR2628588A1 (fr) * 1988-03-14 1989-09-15 Croquet Cie Procede et systeme d'acquisition et de transmission d'informations sur l'audience de programmes televises
US4945412A (en) * 1988-06-14 1990-07-31 Kramer Robert A Method of and system for identification and verification of broadcasting television and radio program segments
US4931871A (en) * 1988-06-14 1990-06-05 Kramer Robert A Method of and system for identification and verification of broadcasted program segments
US4955070A (en) * 1988-06-29 1990-09-04 Viewfacts, Inc. Apparatus and method for automatically monitoring broadcast band listening habits
US5213337A (en) * 1988-07-06 1993-05-25 Robert Sherman System for communication using a broadcast audio signal
US4858000A (en) * 1988-09-14 1989-08-15 A. C. Nielsen Company Image recognition audience measurement system and method
US5023929A (en) * 1988-09-15 1991-06-11 Npd Research, Inc. Audio frequency based market survey method
GB8824969D0 (en) * 1988-10-25 1988-11-30 Emi Plc Thorn Identification codes
US5019899A (en) * 1988-11-01 1991-05-28 Control Data Corporation Electronic data encoding and recognition system
US5532732A (en) * 1988-12-23 1996-07-02 Gemstar Development Corporation Apparatus and methods for using compressed codes for monitoring television program viewing
US4943973A (en) * 1989-03-31 1990-07-24 At&T Company Spread-spectrum identification signal for communications system
US5319453A (en) * 1989-06-22 1994-06-07 Airtrax Method and apparatus for video signal encoding, decoding and monitoring
US5251324A (en) * 1990-03-20 1993-10-05 Scientific-Atlanta, Inc. Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system
US5200822A (en) * 1991-04-23 1993-04-06 National Broadcasting Company, Inc. Arrangement for and method of processing data, especially for identifying and verifying airing of television broadcast programs
US5497185A (en) * 1991-04-25 1996-03-05 Le Groupe Videotron Ltee. Remote control system for television audience data gathering
US5138659A (en) * 1991-05-02 1992-08-11 General Instrument Corporation Conversion of television signal formats with retention of common control data stream
US5278988A (en) * 1991-06-14 1994-01-11 A. C. Nielsen Company Automated receiver monitoring method and apparatus
FR2681997A1 (fr) * 1991-09-30 1993-04-02 Arbitron Cy Procede et dispositif d'identification automatique d'un programme comportant un signal sonore.
US5450122A (en) * 1991-11-22 1995-09-12 A.C. Nielsen Company In-station television program encoding and monitoring system and method
US5319735A (en) * 1991-12-17 1994-06-07 Bolt Beranek And Newman Inc. Embedded signalling
US5436653A (en) * 1992-04-30 1995-07-25 The Arbitron Company Method and system for recognition of broadcast segments
GB9221678D0 (en) * 1992-10-15 1992-11-25 Taylor Nelson Group Limited Identifying a received programme stream
US5495282A (en) * 1992-11-03 1996-02-27 The Arbitron Company Monitoring system for TV, cable and VCR
US5437050A (en) * 1992-11-09 1995-07-25 Lamb; Robert G. Method and apparatus for recognizing broadcast information using multi-frequency magnitude detection
NZ259776A (en) * 1992-11-16 1997-06-24 Ceridian Corp Identifying recorded or broadcast audio signals by mixing with encoded signal derived from code signal modulated by narrower bandwidth identification signal
DE4238681C2 (de) * 1992-11-17 1994-10-27 Werum Karl Ludwig Verfahren und Erfassungseinrichtung zum Registrieren des Hörerverhaltens von Rundfunk- und Fernsehsendungen
CA2106143C (en) * 1992-11-25 2004-02-24 William L. Thomas Universal broadcast code and multi-level encoded signal monitoring system
US5798785A (en) * 1992-12-09 1998-08-25 Discovery Communications, Inc. Terminal for suggesting programs offered on a television program delivery system
ATE183352T1 (de) * 1992-12-09 1999-08-15 Discovery Communicat Inc Verbessertes aufsatz-endgerat fur kabelfernsehverteilsysteme
US5600364A (en) * 1992-12-09 1997-02-04 Discovery Communications, Inc. Network controller for cable television delivery systems
US5659350A (en) * 1992-12-09 1997-08-19 Discovery Communications, Inc. Operations center for a television program packaging and delivery system
US5550928A (en) * 1992-12-15 1996-08-27 A.C. Nielsen Company Audience measurement system and method
US5379345A (en) * 1993-01-29 1995-01-03 Radio Audit Systems, Inc. Method and apparatus for the processing of encoded data in conjunction with an audio broadcast
US5404160A (en) * 1993-06-24 1995-04-04 Berkeley Varitronics Systems, Inc. System and method for identifying a television program
US5485518A (en) * 1993-09-30 1996-01-16 Yellowstone Environmental Science, Inc. Electronic media program recognition and choice
US5481294A (en) * 1993-10-27 1996-01-02 A. C. Nielsen Company Audience measurement system utilizing ancillary codes and passive signatures
AU682420B2 (en) * 1994-01-17 1997-10-02 Gfk Telecontrol Ag Method and device for determining video channel selection
US5488408A (en) * 1994-03-22 1996-01-30 A.C. Nielsen Company Serial data channel metering attachment for metering channels to which a receiver is tuned
US5450490A (en) * 1994-03-31 1995-09-12 The Arbitron Company Apparatus and methods for including codes in audio signals and decoding
US5404377A (en) * 1994-04-08 1995-04-04 Moses; Donald W. Simultaneous transmission of data and audio signals by means of perceptual coding
US5526427A (en) * 1994-07-22 1996-06-11 A.C. Nielsen Company Universal broadcast code and multi-level encoded signal monitoring system
US5594934A (en) * 1994-09-21 1997-01-14 A.C. Nielsen Company Real time correlation meter
GB9425333D0 (en) * 1994-12-15 1995-02-15 Philips Electronics Uk Ltd Telivision receiver
US5737025A (en) * 1995-02-28 1998-04-07 Nielsen Media Research, Inc. Co-channel transmission of program signals and ancillary signals
US5629739A (en) * 1995-03-06 1997-05-13 A.C. Nielsen Company Apparatus and method for injecting an ancillary signal into a low energy density portion of a color television frequency spectrum
US5963914A (en) * 1995-04-17 1999-10-05 Skinner; Gary R. Network time and work tracker
US5726701A (en) * 1995-04-20 1998-03-10 Intel Corporation Method and apparatus for stimulating the responses of a physically-distributed audience
US5654748A (en) * 1995-05-05 1997-08-05 Microsoft Corporation Interactive program identification system
US5768680A (en) * 1995-05-05 1998-06-16 Thomas; C. David Media monitor
US5675510A (en) * 1995-06-07 1997-10-07 Pc Meter L.P. Computer use meter and analyzer
US5822360A (en) * 1995-09-06 1998-10-13 Solana Technology Development Corporation Method and apparatus for transporting auxiliary data in audio signals
JPH0993550A (ja) * 1995-09-22 1997-04-04 Toshiba Corp 補完番組検知及び表示装置
DE69636084T2 (de) * 1995-09-28 2006-09-14 Nec Corp. Verfahren und Vorrichtung zum Einfügen eines Spreizspektrumwasserzeichens in Multimediadaten
US5881360A (en) * 1995-10-11 1999-03-09 Adcom Information Services, Inc. Non-video path data collection device
US5872588A (en) * 1995-12-06 1999-02-16 International Business Machines Corporation Method and apparatus for monitoring audio-visual materials presented to a subscriber
US6035177A (en) * 1996-02-26 2000-03-07 Donald W. Moses Simultaneous transmission of ancillary and audio signals by means of perceptual coding
JP3625344B2 (ja) * 1996-11-05 2005-03-02 株式会社ビデオリサーチ 視聴チャンネル検出装置
US5889548A (en) * 1996-05-28 1999-03-30 Nielsen Media Research, Inc. Television receiver use metering with separate program and sync detectors
US5857190A (en) * 1996-06-27 1999-01-05 Microsoft Corporation Event logging system and method for logging events in a network system
US5819156A (en) * 1997-01-14 1998-10-06 Compaq Computer Corp. PC/TV usage tracking and reporting device
US6675383B1 (en) * 1997-01-22 2004-01-06 Nielsen Media Research, Inc. Source detection apparatus and method for audience measurement
US5796952A (en) * 1997-03-21 1998-08-18 Dot Com Development, Inc. Method and apparatus for tracking client interaction with a network resource and creating client profiles and resource database
US6112053A (en) * 1997-07-14 2000-08-29 General Electric Company Television viewership monitoring system employing audio channel and synchronization information
US6184918B1 (en) * 1997-09-30 2001-02-06 Intel Corporation Method and apparatus for monitoring viewing of broadcast data
US6286140B1 (en) * 1997-11-20 2001-09-04 Thomas P. Ivanyi System and method for measuring and storing information pertaining to television viewer or user behavior
US6124877A (en) * 1997-12-08 2000-09-26 Soundview Technologies, Inc. System for monitoring and reporting viewing of television programming
CA2289519C (en) * 1998-05-12 2001-04-10 Nielsen Media Research, Inc. Audience measurement system for digital television
US5974299A (en) * 1998-05-27 1999-10-26 Massetti; Enrico Emilio Audience rating system for digital television and radio
US6202210B1 (en) * 1998-08-21 2001-03-13 Sony Corporation Of Japan Method and system for collecting data over a 1394 network to support analysis of consumer behavior, marketing and customer support
US6405370B1 (en) * 1998-10-09 2002-06-11 Adcom Information Services, Inc. Television audience monitoring system and method employing tuner interface of set-top converter box
US6567978B1 (en) * 1998-10-09 2003-05-20 Adcom Information Services, Inc. Television audience monitoring system and method employing display of cable converter box
US6519769B1 (en) * 1998-11-09 2003-02-11 General Electric Company Audience measurement system employing local time coincidence coding

Also Published As

Publication number Publication date
WO2002052759A3 (en) 2003-01-23
JP2004536477A (ja) 2004-12-02
US20040181799A1 (en) 2004-09-16
ZA200304974B (en) 2005-06-29
BR0115780A (pt) 2006-04-11
EP1346498A2 (en) 2003-09-24
MXPA03004846A (es) 2005-02-14
US20020114299A1 (en) 2002-08-22
AR030463A1 (es) 2003-08-20
CN1509537A (zh) 2004-06-30
WO2002052759A2 (en) 2002-07-04

Similar Documents

Publication Publication Date Title
US20040181799A1 (en) Apparatus and method for measuring tuning of a digital broadcast receiver
CA2150539C (en) Audience measurement system
US7587728B2 (en) Methods and apparatus to monitor reception of programs and content by broadcast receivers
US7647605B2 (en) Coded/non-coded program audience measurement system
JP4287053B2 (ja) デジタルテレビ用視聴率測定システム
CN102523063A (zh) 用于监视来自各种源的音频/视觉内容的方法及装置
CA2645793A1 (en) Audio matching system and method
JP2003523692A (ja) デジタル放送のための視聴者測定システムおよび方法
AU2001281320A1 (en) Apparatus and method for determining the programme to which a digital broadcast receiver is tuned
KR20010097950A (ko) 시청자 성향에 따른 시청률 조사 방법 및 그 시스템
AU4602801A (en) Source detection apparatus and method for audience measurement
AU5783301A (en) Identification of a viewer selected television program
MXPA00000429A (en) Audience measurement system for digital television

Legal Events

Date Code Title Description
FZDE Dead