BRPI0615810B1 - marca d'água escondida de sinais de aúdio usando modificações de fase - Google Patents

marca d'água escondida de sinais de aúdio usando modificações de fase Download PDF

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Publication number
BRPI0615810B1
BRPI0615810B1 BRPI0615810A BRPI0615810A BRPI0615810B1 BR PI0615810 B1 BRPI0615810 B1 BR PI0615810B1 BR PI0615810 A BRPI0615810 A BR PI0615810A BR PI0615810 A BRPI0615810 A BR PI0615810A BR PI0615810 B1 BRPI0615810 B1 BR PI0615810B1
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BR
Brazil
Prior art keywords
phase
audio signal
vector
watermark
frequency
Prior art date
Application number
BRPI0615810A
Other languages
English (en)
Portuguese (pt)
Inventor
Georg Baum Peter
Voessing Walter
Original Assignee
Thomson Licensing
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35601730&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0615810(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0615810A2 publication Critical patent/BRPI0615810A2/pt
Publication of BRPI0615810B1 publication Critical patent/BRPI0615810B1/pt

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Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BRPI0615810A 2005-09-16 2006-09-04 marca d'água escondida de sinais de aúdio usando modificações de fase BRPI0615810B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05090261.8 2005-09-16
EP05090261A EP1764780A1 (en) 2005-09-16 2005-09-16 Blind watermarking of audio signals by using phase modifications
PCT/EP2006/065973 WO2007031423A1 (en) 2005-09-16 2006-09-04 Blind watermarking of audio signals by using phase modifications

Publications (2)

Publication Number Publication Date
BRPI0615810A2 BRPI0615810A2 (pt) 2011-05-24
BRPI0615810B1 true BRPI0615810B1 (pt) 2019-09-03

Family

ID=35601730

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0615810A BRPI0615810B1 (pt) 2005-09-16 2006-09-04 marca d'água escondida de sinais de aúdio usando modificações de fase

Country Status (7)

Country Link
US (1) US8081757B2 (https=)
EP (2) EP1764780A1 (https=)
JP (1) JP5047971B2 (https=)
CN (1) CN101263552B (https=)
BR (1) BRPI0615810B1 (https=)
DE (1) DE602006010408D1 (https=)
WO (1) WO2007031423A1 (https=)

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EP2431970A1 (en) 2010-09-21 2012-03-21 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Watermark generator, watermark decoder, method for providing a watermarked signal based on discrete valued data and method for providing discrete valued data in dependence on a watermarked signal
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WO2014146296A1 (zh) * 2013-03-22 2014-09-25 深圳市快播科技有限公司 数字图像中不可见信息嵌入及解码的方法及设备
EP2905775A1 (en) 2014-02-06 2015-08-12 Thomson Licensing Method and Apparatus for watermarking successive sections of an audio signal
US10504200B2 (en) 2014-03-13 2019-12-10 Verance Corporation Metadata acquisition using embedded watermarks
KR101731770B1 (ko) 2014-03-13 2017-04-28 베란스 코오포레이션 임베디드 코드를 사용한 양방향 콘텐츠 획득
EP2930717A1 (en) 2014-04-07 2015-10-14 Thomson Licensing Method and apparatus for determining in a 2nd screen device whether the presentation of watermarked audio content received via an acoustic path from a 1st screen device has been stopped
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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
US10708612B1 (en) 2018-12-21 2020-07-07 The Nielsen Company (Us), Llc Apparatus and methods for watermarking using starting phase modulation
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US12322401B2 (en) * 2023-06-05 2025-06-03 The Nielsen Company (Us), Llc Use of symbol strength and verified watermark detection as basis to improve media-exposure detection

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Also Published As

Publication number Publication date
WO2007031423A1 (en) 2007-03-22
JP5047971B2 (ja) 2012-10-10
DE602006010408D1 (de) 2009-12-24
US20090076826A1 (en) 2009-03-19
CN101263552A (zh) 2008-09-10
EP1764780A1 (en) 2007-03-21
EP1924989B1 (en) 2009-11-11
US8081757B2 (en) 2011-12-20
JP2009508169A (ja) 2009-02-26
EP1924989A1 (en) 2008-05-28
BRPI0615810A2 (pt) 2011-05-24
CN101263552B (zh) 2011-12-07

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B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: G10L 19/00

Ipc: G10L 19/018 (2013.01)

B06T Formal requirements before examination [chapter 6.20 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 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 03/09/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 03/09/2019, OBSERVADAS AS CONDICOES LEGAIS

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2640 DE 10-08-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.