BRPI0812029A2 - Recuperação de dados ocultos embutidos em um sinal de audio - Google Patents

Recuperação de dados ocultos embutidos em um sinal de audio

Info

Publication number
BRPI0812029A2
BRPI0812029A2 BRPI0812029-3A2A BRPI0812029A BRPI0812029A2 BR PI0812029 A2 BRPI0812029 A2 BR PI0812029A2 BR PI0812029 A BRPI0812029 A BR PI0812029A BR PI0812029 A2 BRPI0812029 A2 BR PI0812029A2
Authority
BR
Brazil
Prior art keywords
audio
hidden data
recovery
telephone
data built
Prior art date
Application number
BRPI0812029-3A2A
Other languages
English (en)
Inventor
Michael Reymond Reynolds
Peter John Kelly
John Rye
Ian Michael Hosking
Original Assignee
Intrasonics Sarl
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 Intrasonics Sarl filed Critical Intrasonics Sarl
Publication of BRPI0812029A2 publication Critical patent/BRPI0812029A2/pt
Publication of BRPI0812029B1 publication Critical patent/BRPI0812029B1/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/018Audio watermarking, i.e. embedding inaudible data in the audio signal
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06Speech 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 correlation coefficients
BRPI0812029A 2007-05-29 2008-05-29 método de recuperar dados ocultados, dispositivo de telecomunicações, aparelho de ocultar dados, método de ocultar dados e caixa de conjunto superior BRPI0812029B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0710211.4A GB0710211D0 (en) 2007-05-29 2007-05-29 AMR Spectrography
PCT/GB2008/001820 WO2008145994A1 (en) 2007-05-29 2008-05-29 Recovery of hidden data embedded in an audio signal

Publications (2)

Publication Number Publication Date
BRPI0812029A2 true BRPI0812029A2 (pt) 2014-11-18
BRPI0812029B1 BRPI0812029B1 (pt) 2018-11-21

Family

ID=38289454

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0812029A BRPI0812029B1 (pt) 2007-05-29 2008-05-29 método de recuperar dados ocultados, dispositivo de telecomunicações, aparelho de ocultar dados, método de ocultar dados e caixa de conjunto superior

Country Status (8)

Country Link
US (1) US20100317396A1 (pt)
EP (1) EP2160583B1 (pt)
JP (1) JP5226777B2 (pt)
CN (1) CN101715549B (pt)
AT (1) ATE523878T1 (pt)
BR (1) BRPI0812029B1 (pt)
GB (1) GB0710211D0 (pt)
WO (1) WO2008145994A1 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460306B (en) * 2008-05-29 2013-02-13 Intrasonics Sarl Data embedding system
WO2010138776A2 (en) * 2009-05-27 2010-12-02 Spot411 Technologies, Inc. Audio-based synchronization to media
CN101944360A (zh) * 2009-07-03 2011-01-12 邱剑 方便使用的方法和终端
ES2656668T3 (es) 2009-10-21 2018-02-28 Dolby International Ab Sobremuestreo en un banco de filtros de reemisor combinado
EP2589234A4 (en) * 2010-06-29 2018-01-24 Georgia Tech Research Corporation Systems and methods for detecting call provenance from call audio
FR2966635A1 (fr) * 2010-10-20 2012-04-27 France Telecom Procede et dispositif d'affichage de donnees vocales d'un contenu audio
US20130053012A1 (en) * 2011-08-23 2013-02-28 Chinmay S. Dhodapkar Methods and systems for determining a location based preference metric for a requested parameter
WO2013144092A1 (en) * 2012-03-27 2013-10-03 mr.QR10 GMBH & CO. KG Apparatus and method for acquiring a data record, data record distribution system, and mobile device
CN103377165A (zh) * 2012-04-13 2013-10-30 鸿富锦精密工业(深圳)有限公司 具有usb接口的电子装置
GB201206564D0 (en) 2012-04-13 2012-05-30 Intrasonics Sarl Event engine synchronisation
US9786281B1 (en) * 2012-08-02 2017-10-10 Amazon Technologies, Inc. Household agent learning
US10419556B2 (en) 2012-08-11 2019-09-17 Federico Fraccaroli Method, system and apparatus for interacting with a digital work that is performed in a predetermined location
US9473582B1 (en) 2012-08-11 2016-10-18 Federico Fraccaroli Method, system, and apparatus for providing a mediated sensory experience to users positioned in a shared location
US11184448B2 (en) 2012-08-11 2021-11-23 Federico Fraccaroli Method, system and apparatus for interacting with a digital work
WO2015068310A1 (ja) 2013-11-11 2015-05-14 株式会社東芝 電子透かし検出装置、方法及びプログラム
US20160380814A1 (en) * 2015-06-23 2016-12-29 Roost, Inc. Systems and methods for provisioning a battery-powered device to access a wireless communications network
GB2556023B (en) 2016-08-15 2022-02-09 Intrasonics Sarl Audio matching
US20230368320A1 (en) * 2022-05-10 2023-11-16 BizMerlinHR Inc. Automated detection of employee career pathways

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457807A (en) * 1994-03-21 1995-10-10 Weinblatt; Lee S. Technique for surveying a radio or a television audience
JPH08149163A (ja) * 1994-11-18 1996-06-07 Toshiba Corp 信号伝送装置及び受信装置及び方法
US5893067A (en) * 1996-05-31 1999-04-06 Massachusetts Institute Of Technology Method and apparatus for echo data hiding in audio signals
PL335754A1 (en) * 1997-03-21 2000-05-22 Canal Plus Sa Method of loading data to a mpeg receiver / decoder and mpeg transmission system for implementing that method
US6125172A (en) * 1997-04-18 2000-09-26 Lucent Technologies, Inc. Apparatus and method for initiating a transaction having acoustic data receiver that filters human voice
US6467089B1 (en) * 1997-12-23 2002-10-15 Nielsen Media Research, Inc. Audience measurement system incorporating a mobile handset
US6003004A (en) * 1998-01-08 1999-12-14 Advanced Recognition Technologies, Inc. Speech recognition method and system using compressed speech data
CA2289519C (en) * 1998-05-12 2001-04-10 Nielsen Media Research, Inc. Audience measurement system for digital television
US7155159B1 (en) * 2000-03-06 2006-12-26 Lee S. Weinblatt Audience detection
US20010055391A1 (en) * 2000-04-27 2001-12-27 Jacobs Paul E. System and method for extracting, decoding, and utilizing hidden data embedded in audio signals
GB2365295A (en) * 2000-07-27 2002-02-13 Cambridge Consultants Watermarking key
US6674876B1 (en) * 2000-09-14 2004-01-06 Digimarc Corporation Watermarking in the time-frequency domain
DK1340320T3 (da) * 2000-11-30 2009-02-23 Intrasonics Ltd Apparat og system til anvendelse af datasignaler indlejret i et akustisk signal
AU2211102A (en) * 2000-11-30 2002-06-11 Scient Generics Ltd Acoustic communication system
KR100375822B1 (ko) * 2000-12-18 2003-03-15 한국전자통신연구원 디지털 오디오의 워터마크 삽입/추출 장치 및 방법
JP2005506584A (ja) * 2001-10-25 2005-03-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 減少された帯域幅の伝送路上での広帯域オーディオ信号の伝送方法
JP4527369B2 (ja) * 2003-07-31 2010-08-18 富士通株式会社 データ埋め込み装置及びデータ抽出装置
CN101115124B (zh) * 2006-07-26 2012-04-18 日电(中国)有限公司 基于音频水印识别媒体节目的方法和装置

Also Published As

Publication number Publication date
BRPI0812029B1 (pt) 2018-11-21
JP2010530154A (ja) 2010-09-02
GB0710211D0 (en) 2007-07-11
ATE523878T1 (de) 2011-09-15
US20100317396A1 (en) 2010-12-16
WO2008145994A1 (en) 2008-12-04
EP2160583A1 (en) 2010-03-10
EP2160583B1 (en) 2011-09-07
CN101715549B (zh) 2013-03-06
CN101715549A (zh) 2010-05-26
JP5226777B2 (ja) 2013-07-03

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 21/11/2018, OBSERVADAS AS CONDICOES LEGAIS.