HK1150467A1 - Methods and apparatus to perform audio watermarking and watermark detection and extraction - Google Patents
Methods and apparatus to perform audio watermarking and watermark detection and extractionInfo
- Publication number
- HK1150467A1 HK1150467A1 HK11104427.2A HK11104427A HK1150467A1 HK 1150467 A1 HK1150467 A1 HK 1150467A1 HK 11104427 A HK11104427 A HK 11104427A HK 1150467 A1 HK1150467 A1 HK 1150467A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- extraction
- methods
- watermark detection
- perform audio
- audio watermarking
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
- H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
- H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
- H04H20/31—Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/50—Aspects of broadcast communication characterised by the use of watermarks
-
- 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
- H04H60/29—Arrangements for monitoring broadcast services or broadcast-related services
- H04H60/31—Arrangements for monitoring the use made of the broadcast services
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Security & Cryptography (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US98728007P | 2007-11-12 | 2007-11-12 | |
US4395208P | 2008-04-10 | 2008-04-10 | |
PCT/US2008/079595 WO2009064561A1 (fr) | 2007-11-12 | 2008-10-10 | Procédés et dispositifs pour effectuer le tatouage audio et la détection et l'extraction de tatouage |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1150467A1 true HK1150467A1 (en) | 2011-12-30 |
Family
ID=40097425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11104427.2A HK1150467A1 (en) | 2007-11-12 | 2011-05-04 | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
Country Status (8)
Country | Link |
---|---|
US (8) | US8369972B2 (fr) |
EP (1) | EP2210252B1 (fr) |
JP (1) | JP5414684B2 (fr) |
CN (1) | CN101918999B (fr) |
AU (1) | AU2008321318B2 (fr) |
CA (2) | CA2858944C (fr) |
HK (1) | HK1150467A1 (fr) |
WO (1) | WO2009064561A1 (fr) |
Families Citing this family (68)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7239981B2 (en) | 2002-07-26 | 2007-07-03 | Arbitron Inc. | Systems and methods for gathering audience measurement data |
US8959016B2 (en) | 2002-09-27 | 2015-02-17 | The Nielsen Company (Us), Llc | Activating functions in processing devices using start codes embedded in audio |
US9711153B2 (en) | 2002-09-27 | 2017-07-18 | The Nielsen Company (Us), Llc | Activating functions in processing devices using encoded audio and detecting audio signatures |
EP1586045A1 (fr) | 2002-12-27 | 2005-10-19 | Nielsen Media Research, Inc. | Methodes et appareils de transcodage de metadonnees |
EP1932263A4 (fr) | 2005-08-16 | 2012-04-04 | Nielsen Media Res Inc | Procedes et appareil permettant de detecter si un dispositif d'affichage est allume/eteint |
US8458737B2 (en) | 2007-05-02 | 2013-06-04 | The Nielsen Company (Us), Llc | Methods and apparatus for generating signatures |
JP5414684B2 (ja) | 2007-11-12 | 2014-02-12 | ザ ニールセン カンパニー (ユー エス) エルエルシー | 音声透かし、透かし検出、および透かし抽出を実行する方法および装置 |
US8457951B2 (en) | 2008-01-29 | 2013-06-04 | The Nielsen Company (Us), Llc | Methods and apparatus for performing variable black length watermarking of media |
US8600531B2 (en) | 2008-03-05 | 2013-12-03 | The Nielsen Company (Us), Llc | Methods and apparatus for generating signatures |
US8359205B2 (en) | 2008-10-24 | 2013-01-22 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
US9667365B2 (en) | 2008-10-24 | 2017-05-30 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
US8121830B2 (en) | 2008-10-24 | 2012-02-21 | The Nielsen Company (Us), Llc | Methods and apparatus to extract data encoded in media content |
US8508357B2 (en) | 2008-11-26 | 2013-08-13 | The Nielsen Company (Us), Llc | Methods and apparatus to encode and decode audio for shopper location and advertisement presentation tracking |
US9160988B2 (en) | 2009-03-09 | 2015-10-13 | The Nielsen Company (Us), Llc | System and method for payload encoding and decoding |
CA2760677C (fr) * | 2009-05-01 | 2018-07-24 | David Henry Harkness | Procedes, appareil et articles de fabrication destines a fournir un contenu secondaire en association avec un contenu multimedia de diffusion primaire |
FR2954652B1 (fr) | 2009-12-22 | 2012-02-24 | Philippe Bertrand | Procede et systeme de tatouage d'un contenu analogique ou numerique. |
US8989883B2 (en) | 2010-03-25 | 2015-03-24 | Verisign, Inc. | Systems and methods for providing access to resources through enhanced audio signals |
US8355910B2 (en) | 2010-03-30 | 2013-01-15 | The Nielsen Company (Us), Llc | Methods and apparatus for audio watermarking a substantially silent media content presentation |
US8676570B2 (en) | 2010-04-26 | 2014-03-18 | The Nielsen Company (Us), Llc | Methods, apparatus and articles of manufacture to perform audio watermark decoding |
US8863165B2 (en) * | 2010-11-01 | 2014-10-14 | Gracenote, Inc. | Method and system for presenting additional content at a media system |
US9380356B2 (en) | 2011-04-12 | 2016-06-28 | The Nielsen Company (Us), Llc | Methods and apparatus to generate a tag for media content |
US9209978B2 (en) | 2012-05-15 | 2015-12-08 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
US9515904B2 (en) | 2011-06-21 | 2016-12-06 | The Nielsen Company (Us), Llc | Monitoring streaming media content |
US9049496B2 (en) | 2011-09-01 | 2015-06-02 | Gracenote, Inc. | Media source identification |
CN104137557A (zh) | 2011-12-19 | 2014-11-05 | 尼尔森(美国)有限公司 | 用于对媒体呈现装置进行归属的方法和设备 |
US9692535B2 (en) | 2012-02-20 | 2017-06-27 | The Nielsen Company (Us), Llc | Methods and apparatus for automatic TV on/off detection |
US9282366B2 (en) | 2012-08-13 | 2016-03-08 | The Nielsen Company (Us), Llc | Methods and apparatus to communicate audience measurement information |
US9305559B2 (en) | 2012-10-15 | 2016-04-05 | Digimarc Corporation | Audio watermark encoding with reversing polarity and pairwise embedding |
US9401153B2 (en) | 2012-10-15 | 2016-07-26 | Digimarc Corporation | Multi-mode audio recognition and auxiliary data encoding and decoding |
US10366419B2 (en) | 2012-11-27 | 2019-07-30 | Roland Storti | Enhanced digital media platform with user control of application data thereon |
US10339936B2 (en) | 2012-11-27 | 2019-07-02 | Roland Storti | Method, device and system of encoding a digital interactive response action in an analog broadcasting message |
US9313544B2 (en) | 2013-02-14 | 2016-04-12 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
US9093064B2 (en) | 2013-03-11 | 2015-07-28 | The Nielsen Company (Us), Llc | Down-mixing compensation for audio watermarking |
WO2014144589A1 (fr) | 2013-03-15 | 2014-09-18 | The Nielsen Company (Us), Llc | Systèmes, procédés et appareil pour identifier des présentations multimédia linéaires et non linéaires |
US9294815B2 (en) | 2013-03-15 | 2016-03-22 | The Nielsen Company (Us), Llc | Methods and apparatus to discriminate between linear and non-linear media |
US9679053B2 (en) | 2013-05-20 | 2017-06-13 | The Nielsen Company (Us), Llc | Detecting media watermarks in magnetic field data |
US20150003637A1 (en) * | 2013-07-01 | 2015-01-01 | Fortemedia, Inc. | Method for utilizing multi-tone identification and audio apparatus utilizing the same |
US9711152B2 (en) | 2013-07-31 | 2017-07-18 | The Nielsen Company (Us), Llc | Systems apparatus and methods for encoding/decoding persistent universal media codes to encoded audio |
US20150039321A1 (en) | 2013-07-31 | 2015-02-05 | Arbitron Inc. | Apparatus, System and Method for Reading Codes From Digital Audio on a Processing Device |
US9324089B2 (en) * | 2013-08-01 | 2016-04-26 | The Nielsen Company (Us), Llc | Methods and apparatus for metering media feeds in a market |
US9231921B2 (en) | 2013-08-20 | 2016-01-05 | Janus Technologies, Inc. | System and architecture for secure computer devices |
US9380059B2 (en) | 2013-10-16 | 2016-06-28 | Spotify Ab | Systems and methods for configuring an electronic device |
US9420323B2 (en) | 2013-12-19 | 2016-08-16 | The Nielsen Company (Us), Llc | Methods and apparatus to verify and/or correct media lineup information |
GB2524993A (en) * | 2014-04-08 | 2015-10-14 | China Ind Ltd | Interactive combat gaming system |
US9699499B2 (en) | 2014-04-30 | 2017-07-04 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
US10410643B2 (en) | 2014-07-15 | 2019-09-10 | The Nielson Company (Us), Llc | Audio watermarking for people monitoring |
TWI556226B (zh) * | 2014-09-26 | 2016-11-01 | 威盛電子股份有限公司 | 音訊檔案合成方法及其所適用之音訊檔案合成系統 |
US9747906B2 (en) | 2014-11-14 | 2017-08-29 | The Nielson Company (Us), Llc | Determining media device activation based on frequency response analysis |
US9418395B1 (en) | 2014-12-31 | 2016-08-16 | The Nielsen Company (Us), Llc | Power efficient detection of watermarks in media signals |
US9747656B2 (en) | 2015-01-22 | 2017-08-29 | Digimarc Corporation | Differential modulation for robust signaling and synchronization |
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 |
US9762965B2 (en) | 2015-05-29 | 2017-09-12 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
US10043527B1 (en) | 2015-07-17 | 2018-08-07 | Digimarc Corporation | Human auditory system modeling with masking energy adaptation |
JP6891942B2 (ja) * | 2015-12-25 | 2021-06-18 | 株式会社リコー | 出力装置、出力方法、及び出力システム |
CN105897360B (zh) * | 2016-05-18 | 2018-12-11 | 国家新闻出版广电总局监管中心 | 一种广播质量和效果判别方法及系统 |
WO2018155331A1 (fr) * | 2017-02-23 | 2018-08-30 | 日本電信電話株式会社 | Dispositif de remplissage de filigrane numérique, dispositif de détection de filigrane numérique, procédé de remplissage de filigrane numérique, procédé de détection de filigrane numérique et programme |
CN107799121A (zh) * | 2017-10-18 | 2018-03-13 | 广州珠江移动多媒体信息有限公司 | 一种无线广播音频的数字水印嵌入及检出方法 |
US10347262B2 (en) | 2017-10-18 | 2019-07-09 | The Nielsen Company (Us), Llc | Systems and methods to improve timestamp transition resolution |
US10276175B1 (en) * | 2017-11-28 | 2019-04-30 | Google Llc | Key phrase detection with audio watermarking |
US11166054B2 (en) | 2018-04-06 | 2021-11-02 | The Nielsen Company (Us), Llc | Methods and apparatus for identification of local commercial insertion opportunities |
CN113169805A (zh) | 2018-11-27 | 2021-07-23 | 尼尔森(美国)有限公司 | 灵活商业广告监测 |
US20200275168A1 (en) | 2019-02-22 | 2020-08-27 | The Nielsen Company (Us), Llc | Use of Watermarking to Trigger Fingerprint-Related Action |
CN110047497B (zh) * | 2019-05-14 | 2021-06-11 | 腾讯科技(深圳)有限公司 | 背景音频信号滤除方法、装置及存储介质 |
US11234050B2 (en) | 2019-06-18 | 2022-01-25 | Roku, Inc. | Use of steganographically-encoded data as basis to control dynamic content modification as to at least one modifiable-content segment identified based on fingerprint analysis |
US11082730B2 (en) | 2019-09-30 | 2021-08-03 | The Nielsen Company (Us), Llc | Methods and apparatus for affiliate interrupt detection |
TWI740460B (zh) * | 2020-04-17 | 2021-09-21 | 宏碁股份有限公司 | 語音浮水印處理方法、語音系統及語音浮水印處理裝置 |
US11501786B2 (en) | 2020-04-30 | 2022-11-15 | The Nielsen Company (Us), Llc | Methods and apparatus for supplementing partially readable and/or inaccurate codes in media |
US11978461B1 (en) | 2021-08-26 | 2024-05-07 | Alex Radzishevsky | Transient audio watermarks resistant to reverberation effects |
Family Cites Families (166)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3004104A (en) * | 1954-04-29 | 1961-10-10 | Muzak Corp | Identification of sound and like signals |
US3845391A (en) * | 1969-07-08 | 1974-10-29 | Audicom Corp | Communication including submerged identification signal |
US3919479A (en) * | 1972-09-21 | 1975-11-11 | First National Bank Of Boston | Broadcast signal identification system |
DE2536640C3 (de) * | 1975-08-16 | 1979-10-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Anordnung zur Erkennung von Geräuschen |
US4025851A (en) * | 1975-11-28 | 1977-05-24 | A.C. Nielsen Company | Automatic monitor for programs broadcast |
US4053710A (en) * | 1976-03-01 | 1977-10-11 | Ncr Corporation | Automatic speaker verification systems employing moment invariants |
JPS5525150A (en) * | 1978-08-10 | 1980-02-22 | Nec Corp | Pattern recognition unit |
US4230990C1 (en) * | 1979-03-16 | 2002-04-09 | John G Lert Jr | Broadcast program identification method and system |
US4624009A (en) * | 1980-05-02 | 1986-11-18 | Figgie International, Inc. | Signal pattern encoder and classifier |
US4450531A (en) * | 1982-09-10 | 1984-05-22 | Ensco, Inc. | Broadcast signal recognition system and method |
US4533926A (en) * | 1982-12-23 | 1985-08-06 | American Home Products Corporation (Del.) | Strip chart recorder and medium status |
US4639779A (en) * | 1983-03-21 | 1987-01-27 | Greenberg Burton L | Method and apparatus for the automatic identification and verification of television broadcast programs |
US4967273A (en) * | 1983-03-21 | 1990-10-30 | Vidcode, Inc. | Television program transmission verification method and apparatus |
US4805020A (en) * | 1983-03-21 | 1989-02-14 | Greenberg Burton L | Television program transmission verification method and apparatus |
US4547804A (en) * | 1983-03-21 | 1985-10-15 | Greenberg Burton L | Method and apparatus for the automatic identification and verification of commercial broadcast programs |
US4703476A (en) * | 1983-09-16 | 1987-10-27 | Audicom Corporation | Encoding of transmitted program material |
US4520830A (en) * | 1983-12-27 | 1985-06-04 | American Home Products Corporation (Del.) | Ultrasonic imaging device |
FR2559002B1 (fr) | 1984-01-27 | 1986-09-05 | Gam Steffen | Procede et dispositif de detection d'une information audiovisuelle diffusee par un emetteur |
US4697209A (en) * | 1984-04-26 | 1987-09-29 | A. C. Nielsen Company | Methods and apparatus for automatically identifying programs viewed or recorded |
US4677466A (en) * | 1985-07-29 | 1987-06-30 | A. C. Nielsen Company | Broadcast program identification method and apparatus |
US4739398A (en) * | 1986-05-02 | 1988-04-19 | Control Data Corporation | Method, apparatus and system for recognizing broadcast segments |
GB8611014D0 (en) | 1986-05-06 | 1986-06-11 | Emi Plc Thorn | Signal identification |
US4783660A (en) * | 1986-09-29 | 1988-11-08 | Signatron, Inc. | Signal source distortion compensator |
GB8630118D0 (en) * | 1986-12-17 | 1987-01-28 | British Telecomm | Speaker identification |
US4834724A (en) * | 1987-04-06 | 1989-05-30 | Geiss Alan C | Device for aspirating fluids from a body cavity or hollow organ |
US4843562A (en) * | 1987-06-24 | 1989-06-27 | Broadcast Data Systems Limited Partnership | Broadcast information classification system and method |
US5121428A (en) * | 1988-01-20 | 1992-06-09 | Ricoh Company, Ltd. | Speaker verification system |
US4931871A (en) * | 1988-06-14 | 1990-06-05 | Kramer Robert A | Method of and system for identification and verification of broadcasted program segments |
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 |
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 |
KR900015473A (ko) | 1989-03-02 | 1990-10-27 | 하라 레이노스께 | 음성 신호의 코딩 방법 |
US5210820A (en) * | 1990-05-02 | 1993-05-11 | Broadcast Data Systems Limited Partnership | Signal recognition system and method |
JP3215952B2 (ja) | 1991-04-10 | 2001-10-09 | 三菱電機株式会社 | 符号化装置及び復号化装置 |
FR2681997A1 (fr) * | 1991-09-30 | 1993-04-02 | Arbitron Cy | Procede et dispositif d'identification automatique d'un programme comportant un signal sonore. |
US5319735A (en) * | 1991-12-17 | 1994-06-07 | Bolt Beranek And Newman Inc. | Embedded signalling |
CA2628654C (fr) | 1992-04-30 | 2009-12-01 | Arbitron Inc. | Methode et systeme de mise a jour d'une reconnaissance de segment de diffusion |
US5436653A (en) | 1992-04-30 | 1995-07-25 | The Arbitron Company | Method and system for recognition of broadcast segments |
US5437050A (en) * | 1992-11-09 | 1995-07-25 | Lamb; Robert G. | Method and apparatus for recognizing broadcast information using multi-frequency magnitude detection |
EP0688487B1 (fr) | 1992-11-16 | 2004-10-13 | Arbitron Inc. | Procede et appareil de codage/decodage d'emissions radiodiffusees ou enregistrees et de mesure d'audience |
US7316025B1 (en) | 1992-11-16 | 2008-01-01 | Arbitron Inc. | Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto |
EP0598682B1 (fr) | 1992-11-19 | 2003-07-09 | Liechti Ag | Méthode et appareil pour évaluer le comportement des auditeurs de radiodiffusion |
US7171016B1 (en) | 1993-11-18 | 2007-01-30 | Digimarc Corporation | Method for monitoring internet dissemination of image, video and/or audio files |
CA2116043C (fr) * | 1994-02-21 | 1997-09-23 | Alexander F. Tulai | Detecteur de tonalites de progression d'appel numerique programmable |
NZ331166A (en) * | 1994-03-31 | 2000-07-28 | Ceridian Corp | Hiding audio frequency codes in audio frequency program signals |
US5450490A (en) * | 1994-03-31 | 1995-09-12 | The Arbitron Company | Apparatus and methods for including codes in audio signals and decoding |
CA2136054C (fr) | 1994-11-17 | 2005-06-21 | Liechti Ag | Methode et dispositif pour determiner le comportement des utilisateurs de la radio et de la television |
US7362775B1 (en) | 1996-07-02 | 2008-04-22 | Wistaria Trading, Inc. | Exchange mechanisms for digital information packages with bandwidth securitization, multichannel digital watermarks, and key management |
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 |
US5650943A (en) * | 1995-04-10 | 1997-07-22 | Leak Detection Services, Inc. | Apparatus and method for testing for valve leaks by differential signature method |
US7486799B2 (en) | 1995-05-08 | 2009-02-03 | Digimarc Corporation | Methods for monitoring audio and images on the internet |
FR2734977B1 (fr) * | 1995-06-02 | 1997-07-25 | Telediffusion Fse | Systeme de diffusion de donnees. |
US6002433A (en) * | 1995-08-29 | 1999-12-14 | Sanyo Electric Co., Ltd. | Defective pixel detecting circuit of a solid state image pick-up device capable of detecting defective pixels with low power consumption and high precision, and image pick-up device having such detecting circuit |
US5822360A (en) * | 1995-09-06 | 1998-10-13 | Solana Technology Development Corporation | Method and apparatus for transporting auxiliary data in audio signals |
JP3283413B2 (ja) * | 1995-11-30 | 2002-05-20 | 株式会社日立製作所 | 符号化復号方法、符号化装置および復号装置 |
US5687191A (en) * | 1995-12-06 | 1997-11-11 | Solana Technology Development Corporation | Post-compression hidden data transport |
US6205249B1 (en) * | 1998-04-02 | 2001-03-20 | Scott A. Moskowitz | Multiple transform utilization and applications for secure digital watermarking |
US6904404B1 (en) * | 1996-07-01 | 2005-06-07 | Matsushita Electric Industrial Co., Ltd. | Multistage inverse quantization having the plurality of frequency bands |
US6061793A (en) * | 1996-08-30 | 2000-05-09 | Regents Of The University Of Minnesota | Method and apparatus for embedding data, including watermarks, in human perceptible sounds |
US6002443A (en) * | 1996-11-01 | 1999-12-14 | Iggulden; Jerry | Method and apparatus for automatically identifying and selectively altering segments of a television broadcast signal in real-time |
US6317703B1 (en) * | 1996-11-12 | 2001-11-13 | International Business Machines Corporation | Separation of a mixture of acoustic sources into its components |
AUPO521897A0 (en) * | 1997-02-20 | 1997-04-11 | Telstra R & D Management Pty Ltd | Invisible digital watermarks |
US5792053A (en) * | 1997-03-17 | 1998-08-11 | Polartechnics, Limited | Hybrid probe for tissue type recognition |
US5941822A (en) * | 1997-03-17 | 1999-08-24 | Polartechnics Limited | Apparatus for tissue type recognition within a body canal |
US6026323A (en) * | 1997-03-20 | 2000-02-15 | Polartechnics Limited | Tissue diagnostic system |
EP0887958B1 (fr) | 1997-06-23 | 2003-01-22 | Liechti Ag | Méthode pour la compression des enregistrements du bruit ambiant et pour y détecter des éléments de programme, dispositif et logiciel pour la mise en oeuvre d'une telle méthode |
JPH11110913A (ja) * | 1997-10-01 | 1999-04-23 | Sony Corp | 音声情報伝送装置及び方法、並びに音声情報受信装置及び方法、並びに記録媒体 |
US6170060B1 (en) * | 1997-10-03 | 2001-01-02 | Audible, Inc. | Method and apparatus for targeting a digital information playback device |
US6286005B1 (en) * | 1998-03-11 | 2001-09-04 | Cannon Holdings, L.L.C. | Method and apparatus for analyzing data and advertising optimization |
US6115689A (en) | 1998-05-27 | 2000-09-05 | Microsoft Corporation | Scalable audio coder and decoder |
US7006555B1 (en) | 1998-07-16 | 2006-02-28 | Nielsen Media Research, Inc. | Spectral audio encoding |
US6272176B1 (en) * | 1998-07-16 | 2001-08-07 | Nielsen Media Research, Inc. | Broadcast encoding system and method |
JP4424769B2 (ja) * | 1998-09-10 | 2010-03-03 | 興和株式会社 | 電子透かしの埋め込み装置 |
US6711540B1 (en) * | 1998-09-25 | 2004-03-23 | Legerity, Inc. | Tone detector with noise detection and dynamic thresholding for robust performance |
EP1118203A1 (fr) * | 1998-09-29 | 2001-07-25 | Sun Microsystems, Inc. | Superposition donnees/voix |
US6188987B1 (en) | 1998-11-17 | 2001-02-13 | Dolby Laboratories Licensing Corporation | Providing auxiliary information with frame-based encoded audio information |
AUPP767898A0 (en) | 1998-12-14 | 1999-01-14 | Carter (New Zealand) Limited | Spinal monitor apparatus and method |
US6442283B1 (en) * | 1999-01-11 | 2002-08-27 | Digimarc Corporation | Multimedia data embedding |
US6226608B1 (en) | 1999-01-28 | 2001-05-01 | Dolby Laboratories Licensing Corporation | Data framing for adaptive-block-length coding system |
US7031491B1 (en) * | 1999-04-09 | 2006-04-18 | Canon Kabushiki Kaisha | Method for determining a partition in order to insert a watermark, and associated insertion and decoding methods |
US6246345B1 (en) | 1999-04-16 | 2001-06-12 | Dolby Laboratories Licensing Corporation | Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding |
US7302574B2 (en) | 1999-05-19 | 2007-11-27 | Digimarc Corporation | Content identifiers triggering corresponding responses through collaborative processing |
US6871180B1 (en) * | 1999-05-25 | 2005-03-22 | Arbitron Inc. | Decoding of information in audio signals |
AU2006203639C1 (en) * | 1999-05-25 | 2009-01-08 | Arbitron Inc. | Decoding of information in audio signals |
US7284255B1 (en) | 1999-06-18 | 2007-10-16 | Steven G. Apel | Audience survey system, and system and methods for compressing and correlating audio signals |
US7194752B1 (en) | 1999-10-19 | 2007-03-20 | Iceberg Industries, Llc | Method and apparatus for automatically recognizing input audio and/or video streams |
DE19947877C2 (de) * | 1999-10-05 | 2001-09-13 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals |
US6469749B1 (en) * | 1999-10-13 | 2002-10-22 | Koninklijke Philips Electronics N.V. | Automatic signature-based spotting, learning and extracting of commercials and other video content |
US6571144B1 (en) * | 1999-10-20 | 2003-05-27 | Intel Corporation | System for providing a digital watermark in an audio signal |
CA2809775C (fr) | 1999-10-27 | 2017-03-21 | The Nielsen Company (Us), Llc | Extraction et correlation de signature audio |
US6725372B1 (en) * | 1999-12-02 | 2004-04-20 | Verizon Laboratories Inc. | Digital watermarking |
US7426750B2 (en) * | 2000-02-18 | 2008-09-16 | Verimatrix, Inc. | Network-based content distribution system |
US6968564B1 (en) | 2000-04-06 | 2005-11-22 | Nielsen Media Research, Inc. | Multi-band spectral audio encoding |
FR2807796B1 (fr) | 2000-04-17 | 2002-06-28 | Pascal Guidetti | Dispositif de blocage de deux elements allonges telescopiques |
US6879652B1 (en) * | 2000-07-14 | 2005-04-12 | Nielsen Media Research, Inc. | Method for encoding an input signal |
US7058223B2 (en) | 2000-09-14 | 2006-06-06 | Cox Ingemar J | Identifying works for initiating a work-based action, such as an action on the internet |
US7085613B2 (en) * | 2000-11-03 | 2006-08-01 | International Business Machines Corporation | System for monitoring audio content in a video broadcast |
US6604072B2 (en) * | 2000-11-03 | 2003-08-05 | International Business Machines Corporation | Feature-based audio content identification |
US7031921B2 (en) * | 2000-11-03 | 2006-04-18 | International Business Machines Corporation | System for monitoring audio content available over a network |
US6483927B2 (en) * | 2000-12-18 | 2002-11-19 | Digimarc Corporation | Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes |
WO2002051063A1 (fr) * | 2000-12-21 | 2002-06-27 | Digimarc Corporation | Procedes, appareil et programmes permettant de generer et utiliser des signatures de contenu |
EP1345331B1 (fr) * | 2000-12-22 | 2008-08-20 | Sony Corporation | Codeur |
US20020114299A1 (en) * | 2000-12-27 | 2002-08-22 | Daozheng Lu | Apparatus and method for measuring tuning of a digital broadcast receiver |
US7660424B2 (en) | 2001-02-07 | 2010-02-09 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
ATE405101T1 (de) | 2001-02-12 | 2008-08-15 | Gracenote Inc | Verfahren zum erzeugen einer identifikations hash vom inhalt einer multimedia datei |
US6785401B2 (en) | 2001-04-09 | 2004-08-31 | Tektronix, Inc. | Temporal synchronization of video watermark decoding |
US7461002B2 (en) * | 2001-04-13 | 2008-12-02 | Dolby Laboratories Licensing Corporation | Method for time aligning audio signals using characterizations based on auditory events |
US6807528B1 (en) | 2001-05-08 | 2004-10-19 | Dolby Laboratories Licensing Corporation | Adding data to a compressed data frame |
DE10129239C1 (de) * | 2001-06-18 | 2002-10-31 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Einbetten eines Wasserzeichens in ein Audiosignal |
US8572640B2 (en) * | 2001-06-29 | 2013-10-29 | Arbitron Inc. | Media data use measurement with remote decoding/pattern matching |
WO2003009277A2 (fr) | 2001-07-20 | 2003-01-30 | Gracenote, Inc. | Identification automatique d'enregistrements sonores |
JP3469567B2 (ja) * | 2001-09-03 | 2003-11-25 | 三菱電機株式会社 | 音響符号化装置、音響復号化装置、音響符号化方法及び音響復号化方法 |
US6862355B2 (en) | 2001-09-07 | 2005-03-01 | Arbitron Inc. | Message reconstruction from partial detection |
US20030054757A1 (en) * | 2001-09-19 | 2003-03-20 | Kolessar Ronald S. | Monitoring usage of media data with non-program data elimination |
US6814123B2 (en) | 2001-12-21 | 2004-11-09 | 3M Innovative Properties Company | Method and apparatus for applying a splicing tape to a roll of sheet material |
US20030131350A1 (en) * | 2002-01-08 | 2003-07-10 | Peiffer John C. | Method and apparatus for identifying a digital audio signal |
US7013030B2 (en) * | 2002-02-14 | 2006-03-14 | Wong Jacob Y | Personal choice biometric signature |
US7013468B2 (en) | 2002-02-26 | 2006-03-14 | Parametric Technology Corporation | Method and apparatus for design and manufacturing application associative interoperability |
US7194630B2 (en) * | 2002-02-27 | 2007-03-20 | Canon Kabushiki Kaisha | Information processing apparatus, information processing system, information processing method, storage medium and program |
US7035700B2 (en) * | 2002-03-13 | 2006-04-25 | The United States Of America As Represented By The Secretary Of The Air Force | Method and apparatus for embedding data in audio signals |
AUPS322602A0 (en) | 2002-06-28 | 2002-07-18 | Cochlear Limited | Coil and cable tester |
US7003131B2 (en) * | 2002-07-09 | 2006-02-21 | Kaleidescape, Inc. | Watermarking and fingerprinting digital content using alternative blocks to embed information |
US7239981B2 (en) | 2002-07-26 | 2007-07-03 | Arbitron Inc. | Systems and methods for gathering audience measurement data |
US7454331B2 (en) | 2002-08-30 | 2008-11-18 | Dolby Laboratories Licensing Corporation | Controlling loudness of speech in signals that contain speech and other types of audio material |
US7433824B2 (en) | 2002-09-04 | 2008-10-07 | Microsoft Corporation | Entropy coding by adapting coding between level and run-length/level modes |
US7330812B2 (en) * | 2002-10-04 | 2008-02-12 | National Research Council Of Canada | Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel |
KR20050086470A (ko) | 2002-11-12 | 2005-08-30 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 멀티미디어 컨텐츠를 핑거프린트하는 방법 |
US6845360B2 (en) | 2002-11-22 | 2005-01-18 | Arbitron Inc. | Encoding multiple messages in audio data and detecting same |
US7483835B2 (en) * | 2002-12-23 | 2009-01-27 | Arbitron, Inc. | AD detection using ID code and extracted signature |
US7174151B2 (en) | 2002-12-23 | 2007-02-06 | Arbitron Inc. | Ensuring EAS performance in audio signal encoding |
US7460684B2 (en) | 2003-06-13 | 2008-12-02 | Nielsen Media Research, Inc. | Method and apparatus for embedding watermarks |
GB0317571D0 (en) | 2003-07-26 | 2003-08-27 | Koninkl Philips Electronics Nv | Content identification for broadcast media |
US7592908B2 (en) * | 2003-08-13 | 2009-09-22 | Arbitron, Inc. | Universal display exposure monitor using personal locator service |
KR100554680B1 (ko) * | 2003-08-20 | 2006-02-24 | 한국전자통신연구원 | 크기 변화에 강인한 양자화 기반 오디오 워터마킹 장치 및방법 |
AU2003279935A1 (en) * | 2003-08-29 | 2005-04-14 | Nielsen Media Research, Inc. | Methods and apparatus for embedding and recovering an image for use with video content |
US7724827B2 (en) | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7369677B2 (en) | 2005-04-26 | 2008-05-06 | Verance Corporation | System reactions to the detection of embedded watermarks in a digital host content |
EP1542226A1 (fr) * | 2003-12-11 | 2005-06-15 | Deutsche Thomson-Brandt Gmbh | Procédé et dispositif pour la transmission de bits de données d'un filigrane à spectre étalé et pour l'extraction de bits de données d'un filigrane intégré dans un spectre étalé |
US7420464B2 (en) | 2004-03-15 | 2008-09-02 | Arbitron, Inc. | Methods and systems for gathering market research data inside and outside commercial establishments |
US20050203798A1 (en) * | 2004-03-15 | 2005-09-15 | Jensen James M. | Methods and systems for gathering market research data |
US7463143B2 (en) * | 2004-03-15 | 2008-12-09 | Arbioran | Methods and systems for gathering market research data within commercial establishments |
EP1776688B1 (fr) | 2004-03-19 | 2013-05-08 | Arbitron Inc. | Collecte de donnees concernant le taux de lecture de publications |
US8738763B2 (en) * | 2004-03-26 | 2014-05-27 | The Nielsen Company (Us), Llc | Research data gathering with a portable monitor and a stationary device |
US7483975B2 (en) * | 2004-03-26 | 2009-01-27 | Arbitron, Inc. | Systems and methods for gathering data concerning usage of media data |
WO2005111920A1 (fr) | 2004-05-18 | 2005-11-24 | Silverbrook Research Pty Ltd | Authentification d'un objet au moyen d'une signature codee dans un certain nombre de parties de donnees |
DE102004036154B3 (de) | 2004-07-26 | 2005-12-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm |
EP1790152A4 (fr) | 2004-08-09 | 2008-10-08 | Nielsen Media Res Inc | Procedes et appareil pour le controle de contenu audiovisuel en provenance de sources diverses |
MX2007002071A (es) | 2004-08-18 | 2007-04-24 | Nielsen Media Res Inc | Metodos y aparatos para generar firmas. |
US7895034B2 (en) | 2004-09-17 | 2011-02-22 | Digital Rise Technology Co., Ltd. | Audio encoding system |
EP1667106B1 (fr) | 2004-12-06 | 2009-11-25 | Sony Deutschland GmbH | Procédé de génération d'une signature audio |
PL1684265T3 (pl) * | 2005-01-21 | 2009-01-30 | Unlimited Media Gmbh | Sposób wstawiania cyfrowego znaku wodnego w sygnale użytecznym |
US7555432B1 (en) * | 2005-02-10 | 2009-06-30 | Purdue Research Foundation | Audio steganography method and apparatus using cepstrum modification |
US8170883B2 (en) | 2005-05-26 | 2012-05-01 | Lg Electronics Inc. | Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal |
US8050446B2 (en) * | 2005-07-12 | 2011-11-01 | The Board Of Trustees Of The University Of Arkansas | Method and system for digital watermarking of multimedia signals |
US7684981B2 (en) | 2005-07-15 | 2010-03-23 | Microsoft Corporation | Prediction of spectral coefficients in waveform coding and decoding |
US7599840B2 (en) | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
US7311016B2 (en) * | 2005-10-25 | 2007-12-25 | Dana Corporation | Park lock system |
PT1826932E (pt) | 2006-02-22 | 2011-10-03 | Media Evolution Technologies Inc | Método e dispositivo para a geração de assinaturas áudio digitais |
US8060372B2 (en) | 2007-02-20 | 2011-11-15 | The Nielsen Company (Us), Llc | Methods and appratus for characterizing media |
US8458737B2 (en) | 2007-05-02 | 2013-06-04 | The Nielsen Company (Us), Llc | Methods and apparatus for generating signatures |
JP5414684B2 (ja) | 2007-11-12 | 2014-02-12 | ザ ニールセン カンパニー (ユー エス) エルエルシー | 音声透かし、透かし検出、および透かし抽出を実行する方法および装置 |
US8457951B2 (en) | 2008-01-29 | 2013-06-04 | The Nielsen Company (Us), Llc | Methods and apparatus for performing variable black length watermarking of media |
US9160988B2 (en) | 2009-03-09 | 2015-10-13 | The Nielsen Company (Us), Llc | System and method for payload encoding and decoding |
US20180136056A1 (en) | 2015-07-15 | 2018-05-17 | Shenzhen New Degree Technology Co., Ltd. | Composite material and force sensing film made thereof |
CN107464735A (zh) | 2017-06-28 | 2017-12-12 | 中国地质科学院水文地质环境地质研究所 | 一种新型氯/溴同位素质谱仪及其分析方法 |
JP7015937B2 (ja) | 2018-09-26 | 2022-02-03 | 株式会社Fuji | シュート |
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CA2705549A1 (fr) | 2009-05-22 |
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CN101918999B (zh) | 2013-11-13 |
AU2008321318A1 (en) | 2009-05-22 |
CA2858944A1 (fr) | 2009-05-22 |
JP5414684B2 (ja) | 2014-02-12 |
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EP2210252B1 (fr) | 2017-05-24 |
US10964333B2 (en) | 2021-03-30 |
CN101918999A (zh) | 2010-12-15 |
US8369972B2 (en) | 2013-02-05 |
WO2009064561A1 (fr) | 2009-05-22 |
US20130114831A1 (en) | 2013-05-09 |
AU2008321318B2 (en) | 2012-11-01 |
EP2210252A1 (fr) | 2010-07-28 |
US20210217428A1 (en) | 2021-07-15 |
US20230162744A1 (en) | 2023-05-25 |
CA2858944C (fr) | 2017-08-22 |
US20180254048A1 (en) | 2018-09-06 |
US9972332B2 (en) | 2018-05-15 |
JP2011503659A (ja) | 2011-01-27 |
CA2705549C (fr) | 2015-12-01 |
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