ATE255785T1 - Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen - Google Patents

Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen

Info

Publication number
ATE255785T1
ATE255785T1 AT00917191T AT00917191T ATE255785T1 AT E255785 T1 ATE255785 T1 AT E255785T1 AT 00917191 T AT00917191 T AT 00917191T AT 00917191 T AT00917191 T AT 00917191T AT E255785 T1 ATE255785 T1 AT E255785T1
Authority
AT
Austria
Prior art keywords
matrization
decoding
audio signals
channel audio
lossless coding
Prior art date
Application number
AT00917191T
Other languages
English (en)
Inventor
Peter Graham Craven
Malcolm James Law
John Robert Stuart
Original Assignee
Dolby Lab Licensing 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
Priority claimed from GBGB9907919.6A external-priority patent/GB9907919D0/en
Priority claimed from GBGB9907918.8A external-priority patent/GB9907918D0/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE255785T1 publication Critical patent/ATE255785T1/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • 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
    • G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G11B20/00007—Time or data compression or expansion
    • G11B2020/00014—Time or data compression or expansion the compressed signal being an 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AT00917191T 1999-04-07 2000-04-07 Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen ATE255785T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9907919.6A GB9907919D0 (en) 1999-04-07 1999-04-07 Lossless packing
GBGB9907918.8A GB9907918D0 (en) 1999-04-07 1999-04-07 Lossless packing
PCT/GB2000/001308 WO2000060746A2 (en) 1999-04-07 2000-04-07 Matrixing for losseless encoding and decoding of multichannels audio signals

Publications (1)

Publication Number Publication Date
ATE255785T1 true ATE255785T1 (de) 2003-12-15

Family

ID=26315389

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00917191T ATE255785T1 (de) 1999-04-07 2000-04-07 Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen

Country Status (15)

Country Link
US (3) US6611212B1 (de)
EP (4) EP1370114A3 (de)
JP (1) JP4610087B2 (de)
KR (1) KR100915120B1 (de)
AR (1) AR023424A1 (de)
AT (1) ATE255785T1 (de)
AU (1) AU781629B2 (de)
CA (3) CA2742649C (de)
DE (1) DE60006953T2 (de)
DK (1) DK1173925T3 (de)
ES (1) ES2208297T3 (de)
MY (2) MY123651A (de)
SG (2) SG144695A1 (de)
TW (1) TWI226041B (de)
WO (1) WO2000060746A2 (de)

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CA2742649A1 (en) 2000-10-12
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AU3828400A (en) 2000-10-23
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