AU2001261475A1 - Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed - Google Patents

Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed

Info

Publication number
AU2001261475A1
AU2001261475A1 AU2001261475A AU6147501A AU2001261475A1 AU 2001261475 A1 AU2001261475 A1 AU 2001261475A1 AU 2001261475 A AU2001261475 A AU 2001261475A AU 6147501 A AU6147501 A AU 6147501A AU 2001261475 A1 AU2001261475 A1 AU 2001261475A1
Authority
AU
Australia
Prior art keywords
decompressed
audio
compressed
signals
types
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
AU2001261475A
Inventor
Sergiy Bilobrov
Dimitrij Chmounk
Vlad Fruchter
Paul R. Goldberg
Mauricio Greene
Jason Lesperance
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.)
DTS Canada Inc
Zoran Corp
Original Assignee
QDesign Corp
Zoran Corp
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 QDesign Corp, Zoran Corp filed Critical QDesign Corp
Publication of AU2001261475A1 publication Critical patent/AU2001261475A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32267—Methods relating to embedding, encoding, decoding, detection or retrieval operations combined with processing of the image
    • H04N1/32277—Compression
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • G11B20/00891—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm embedded in audio data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU2001261475A 2000-05-15 2001-05-11 Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed Abandoned AU2001261475A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US57065500A 2000-05-15 2000-05-15
US09570655 2000-05-15
US66734500A 2000-09-22 2000-09-22
US09667345 2000-09-22
PCT/US2001/015328 WO2001088915A1 (en) 2000-05-15 2001-05-11 Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed

Publications (1)

Publication Number Publication Date
AU2001261475A1 true AU2001261475A1 (en) 2001-11-26

Family

ID=27075368

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001261475A Abandoned AU2001261475A1 (en) 2000-05-15 2001-05-11 Adding imperceptible noise to audio and other types of signals to cause significant degradation when compressed and decompressed

Country Status (2)

Country Link
AU (1) AU2001261475A1 (en)
WO (1) WO2001088915A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020030610A (en) * 2000-10-19 2002-04-25 스톰 씨엔씨 인코포레이티드 A method for preventing reduction of sales amount of phonograph records by way of digital music file unlawfully circulated through communication network
GB2390247B (en) 2002-06-28 2006-04-12 Dwight Cavendish Systems Ltd An improved method and apparatus for providing an anti-copy video signal
US7280689B2 (en) 2002-07-05 2007-10-09 Qdesign U.S.A., Inc. Anti-compression techniques for visual images
GB0312985D0 (en) 2003-06-05 2003-07-09 Dwight Cavendish Systems Ltd Digital processing disruption systems
GB2419220B (en) 2004-10-13 2009-06-03 Dwight Cavendish Systems Ltd Audio copy protection system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07161140A (en) * 1993-12-07 1995-06-23 Sony Corp Apparatuses and methods for transmission and receiving of digital audio signal
DE19638546A1 (en) * 1996-09-20 1998-03-26 Thomson Brandt Gmbh Method and circuit arrangement for encoding or decoding audio signals
US6111844A (en) * 1997-07-03 2000-08-29 At&T Corp. Quality degradation through compression/decompression
US6064764A (en) * 1998-03-30 2000-05-16 Seiko Epson Corporation Fragile watermarks for detecting tampering in images
JP2000182320A (en) * 1998-12-17 2000-06-30 Victor Co Of Japan Ltd Method for preventing compressive encoding

Also Published As

Publication number Publication date
WO2001088915A1 (en) 2001-11-22

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