BR9610469A - Processo e aparelho para transportar dados auxiliares em sinais de áudio - Google Patents

Processo e aparelho para transportar dados auxiliares em sinais de áudio

Info

Publication number
BR9610469A
BR9610469A BR9610469A BR9610469A BR9610469A BR 9610469 A BR9610469 A BR 9610469A BR 9610469 A BR9610469 A BR 9610469A BR 9610469 A BR9610469 A BR 9610469A BR 9610469 A BR9610469 A BR 9610469A
Authority
BR
Brazil
Prior art keywords
audio signals
auxiliary data
carrying auxiliary
carrying
data
Prior art date
Application number
BR9610469A
Other languages
English (en)
Inventor
Chong U Lee
Robert L Warren
Kamram Moallemi
Original Assignee
Solana Technology Dev 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 Solana Technology Dev Corp filed Critical Solana Technology Dev Corp
Publication of BR9610469A publication Critical patent/BR9610469A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • H04H20/31—Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J99/00—Subject matter not provided for in other groups of this subclass
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0077—Multicode, e.g. multiple codes assigned to one user

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Noise Elimination (AREA)
BR9610469A 1995-09-06 1996-08-20 Processo e aparelho para transportar dados auxiliares em sinais de áudio BR9610469A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/524,132 US5822360A (en) 1995-09-06 1995-09-06 Method and apparatus for transporting auxiliary data in audio signals
PCT/US1996/013516 WO1997009797A1 (en) 1995-09-06 1996-08-20 Method and apparatus for transporting auxiliary data in audio signals

Publications (1)

Publication Number Publication Date
BR9610469A true BR9610469A (pt) 1999-03-30

Family

ID=24087899

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9610469A BR9610469A (pt) 1995-09-06 1996-08-20 Processo e aparelho para transportar dados auxiliares em sinais de áudio

Country Status (9)

Country Link
US (1) US5822360A (pt)
EP (1) EP0852086A1 (pt)
JP (1) JP2001507875A (pt)
KR (1) KR19990044450A (pt)
CN (1) CN1198275A (pt)
AU (1) AU707270B2 (pt)
BR (1) BR9610469A (pt)
CA (1) CA2231239A1 (pt)
WO (1) WO1997009797A1 (pt)

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WO1997009797A1 (en) 1997-03-13
AU707270B2 (en) 1999-07-08
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US5822360A (en) 1998-10-13
CN1198275A (zh) 1998-11-04

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