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GB2578692B - Improved method, apparatus and system for embedding data within a data stream - Google Patents

Improved method, apparatus and system for embedding data within a data stream Download PDF

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Publication number
GB2578692B
GB2578692B GB1916724.6A GB201916724A GB2578692B GB 2578692 B GB2578692 B GB 2578692B GB 201916724 A GB201916724 A GB 201916724A GB 2578692 B GB2578692 B GB 2578692B
Authority
GB
United Kingdom
Prior art keywords
data
improved method
data stream
embedding
embedding data
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.)
Active
Application number
GB1916724.6A
Other versions
GB201916724D0 (en
GB2578692A (en
Inventor
Gogerly Simon
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.)
Sonic Data Ltd
Original Assignee
Sonic Data Ltd
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 Sonic Data Ltd filed Critical Sonic Data Ltd
Priority to GB1916724.6A priority Critical patent/GB2578692B/en
Priority claimed from GB1522090.8A external-priority patent/GB2545434B/en
Publication of GB201916724D0 publication Critical patent/GB201916724D0/en
Publication of GB2578692A publication Critical patent/GB2578692A/en
Application granted granted Critical
Publication of GB2578692B publication Critical patent/GB2578692B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB1916724.6A 2015-12-15 2015-12-15 Improved method, apparatus and system for embedding data within a data stream Active GB2578692B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1916724.6A GB2578692B (en) 2015-12-15 2015-12-15 Improved method, apparatus and system for embedding data within a data stream

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1522090.8A GB2545434B (en) 2015-12-15 2015-12-15 Improved method, apparatus and system for embedding data within a data stream
GB1916724.6A GB2578692B (en) 2015-12-15 2015-12-15 Improved method, apparatus and system for embedding data within a data stream

Publications (3)

Publication Number Publication Date
GB201916724D0 GB201916724D0 (en) 2020-01-01
GB2578692A GB2578692A (en) 2020-05-20
GB2578692B true GB2578692B (en) 2020-12-16

Family

ID=69063241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1916724.6A Active GB2578692B (en) 2015-12-15 2015-12-15 Improved method, apparatus and system for embedding data within a data stream

Country Status (1)

Country Link
GB (1) GB2578692B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050033579A1 (en) * 2003-06-19 2005-02-10 Bocko Mark F. Data hiding via phase manipulation of audio signals
US20060048633A1 (en) * 2003-09-11 2006-03-09 Yusuke Hoguchi Method and system for synthesizing electronic transparent audio

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050033579A1 (en) * 2003-06-19 2005-02-10 Bocko Mark F. Data hiding via phase manipulation of audio signals
US20060048633A1 (en) * 2003-09-11 2006-03-09 Yusuke Hoguchi Method and system for synthesizing electronic transparent audio

Also Published As

Publication number Publication date
GB201916724D0 (en) 2020-01-01
GB2578692A (en) 2020-05-20

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