ATE190446T1 - Integrierte signalisierung - Google Patents

Integrierte signalisierung

Info

Publication number
ATE190446T1
ATE190446T1 AT93901302T AT93901302T ATE190446T1 AT E190446 T1 ATE190446 T1 AT E190446T1 AT 93901302 T AT93901302 T AT 93901302T AT 93901302 T AT93901302 T AT 93901302T AT E190446 T1 ATE190446 T1 AT E190446T1
Authority
AT
Austria
Prior art keywords
audio signal
signal
code
code signal
essentially
Prior art date
Application number
AT93901302T
Other languages
English (en)
Inventor
Robert David Preuss
Salim Estephan Roukos
A W F Huggins
Herbert Gish
Marcos Antonio Bergamo
Patrick Mangan Peterson
Alan Gregory Derr
Original Assignee
Bolt Beranek & Newman
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 Bolt Beranek & Newman filed Critical Bolt Beranek & Newman
Application granted granted Critical
Publication of ATE190446T1 publication Critical patent/ATE190446T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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
    • G11B20/00913—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 based on a spread spectrum technique
    • 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
    • G11B20/00086—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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1813—Pulse code modulation systems for audio signals by adding special bits or symbols to the coded information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • 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
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Semiconductor Lasers (AREA)
  • Bipolar Transistors (AREA)
  • Saccharide Compounds (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT93901302T 1991-12-17 1992-12-10 Integrierte signalisierung ATE190446T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/808,913 US5319735A (en) 1991-12-17 1991-12-17 Embedded signalling
PCT/US1992/010826 WO1993012599A1 (en) 1991-12-17 1992-12-10 Embedded signalling

Publications (1)

Publication Number Publication Date
ATE190446T1 true ATE190446T1 (de) 2000-03-15

Family

ID=25200101

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93901302T ATE190446T1 (de) 1991-12-17 1992-12-10 Integrierte signalisierung

Country Status (9)

Country Link
US (1) US5319735A (de)
EP (1) EP0617865B1 (de)
JP (1) JP3264668B2 (de)
KR (1) KR100287536B1 (de)
AT (1) ATE190446T1 (de)
AU (1) AU676143B2 (de)
CA (1) CA2126099C (de)
DE (1) DE69230760T2 (de)
WO (1) WO1993012599A1 (de)

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AU3320793A (en) 1993-07-19
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KR100287536B1 (ko) 2001-04-16
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JP3264668B2 (ja) 2002-03-11
AU676143B2 (en) 1997-03-06
DE69230760T2 (de) 2000-11-23
EP0617865B1 (de) 2000-03-08
CA2126099C (en) 2003-11-04
KR940704095A (ko) 1994-12-12
CA2126099A1 (en) 1993-06-18
WO1993012599A1 (en) 1993-06-24
EP0617865A4 (de) 1994-11-09
US5319735A (en) 1994-06-07
EP0617865A1 (de) 1994-10-05

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