AU7894787A - Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals - Google Patents

Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals

Info

Publication number
AU7894787A
AU7894787A AU78947/87A AU7894787A AU7894787A AU 7894787 A AU7894787 A AU 7894787A AU 78947/87 A AU78947/87 A AU 78947/87A AU 7894787 A AU7894787 A AU 7894787A AU 7894787 A AU7894787 A AU 7894787A
Authority
AU
Australia
Prior art keywords
floating
frequency offset
apparatus employing
point conversion
decoding high
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.)
Granted
Application number
AU78947/87A
Other versions
AU598033B2 (en
Inventor
Jeffrey E. Frederiksen
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.)
Frederiksen & Shu Laboratories Inc
Original Assignee
Frederiksen & Shu Laboratories Inc
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 Frederiksen & Shu Laboratories Inc filed Critical Frederiksen & Shu Laboratories Inc
Publication of AU7894787A publication Critical patent/AU7894787A/en
Application granted granted Critical
Publication of AU598033B2 publication Critical patent/AU598033B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/14—Conversion to or from non-weighted codes
    • H03M7/24—Conversion to or from floating-point codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/50—Conversion to or from non-linear codes, e.g. companding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AU78947/87A 1987-06-02 1987-09-24 Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals Ceased AU598033B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US057370 1987-06-02
US07/057,370 US4922537A (en) 1987-06-02 1987-06-02 Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals

Publications (2)

Publication Number Publication Date
AU7894787A true AU7894787A (en) 1988-12-08
AU598033B2 AU598033B2 (en) 1990-06-14

Family

ID=22010163

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78947/87A Ceased AU598033B2 (en) 1987-06-02 1987-09-24 Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals

Country Status (5)

Country Link
US (1) US4922537A (en)
EP (1) EP0293533A3 (en)
JP (1) JPS63311826A (en)
AU (1) AU598033B2 (en)
CA (1) CA1308194C (en)

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US5689692A (en) * 1992-12-23 1997-11-18 Honeywell Inc. Method and apparatus for decoding an encoded NRZ signal
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US5787387A (en) * 1994-07-11 1998-07-28 Voxware, Inc. Harmonic adaptive speech coding method and system
US5781452A (en) * 1995-03-22 1998-07-14 International Business Machines Corporation Method and apparatus for efficient decompression of high quality digital audio
US5659755A (en) * 1995-11-20 1997-08-19 International Business Machines Corporation Method and system in a data processing system for efficiently compressing data using a sorting network
US6038536A (en) * 1997-01-31 2000-03-14 Texas Instruments Incorporated Data compression using bit change statistics
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US5963153A (en) * 1997-10-31 1999-10-05 Ati Technologies, Inc. Multi-stream audio sampling rate conversion system and method using variable converter rate control data
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US6167551A (en) * 1998-07-29 2000-12-26 Neomagic Corp. DVD controller with embedded DRAM for ECC-block buffering
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US6775320B1 (en) * 1999-03-12 2004-08-10 Aware, Inc. Method and a multi-carrier transceiver supporting dynamic switching between active application sets
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US6396421B1 (en) * 2001-07-31 2002-05-28 Wind River Systems, Inc. Method and system for sampling rate conversion in digital audio applications
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US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
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US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
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US7557862B2 (en) * 2003-08-14 2009-07-07 Broadcom Corporation Integrated circuit BTSC encoder
US8718298B2 (en) * 2003-12-19 2014-05-06 Lear Corporation NVH dependent parallel compression processing for automotive audio systems
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
CN101164271B (en) * 2005-03-29 2012-08-08 汤姆森许可贸易公司 Method and apparatus for improving reception of wireless signals using spatial redundancy
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JPS61123928A (en) * 1984-09-05 1986-06-11 Hitachi Ltd floating point data processing unit

Also Published As

Publication number Publication date
CA1308194C (en) 1992-09-29
US4922537A (en) 1990-05-01
EP0293533A2 (en) 1988-12-07
JPS63311826A (en) 1988-12-20
EP0293533A3 (en) 1990-06-13
AU598033B2 (en) 1990-06-14

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