HUP9902037A2 - Berendezés és eljárás audiojel adattömörítésére és adatbővítésére, valamint az ilyen berendezéseket tartalmazó adó, illetőleg vevő - Google Patents

Berendezés és eljárás audiojel adattömörítésére és adatbővítésére, valamint az ilyen berendezéseket tartalmazó adó, illetőleg vevő

Info

Publication number
HUP9902037A2
HUP9902037A2 HU9902037A HUP9902037A HUP9902037A2 HU P9902037 A2 HUP9902037 A2 HU P9902037A2 HU 9902037 A HU9902037 A HU 9902037A HU P9902037 A HUP9902037 A HU P9902037A HU P9902037 A2 HUP9902037 A2 HU P9902037A2
Authority
HU
Hungary
Prior art keywords
data
signal
data compression
audio signal
unit
Prior art date
Application number
HU9902037A
Other languages
English (en)
Inventor
Alphons Antonius Maria Lambertus Bruekers
Arnoldus Werner Johannes Oomen
Renatus Josephus Van Der Vleuten
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of HUP9902037A2 publication Critical patent/HUP9902037A2/hu
Publication of HUP9902037A3 publication Critical patent/HUP9902037A3/hu
Publication of HU222636B1 publication Critical patent/HU222636B1/hu

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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G11B2020/00065—Sigma-delta audio encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

A találmány tárgya adattömörítő berendezés aűdiőjel adattömörítésére;adattömörítési eljárás; az adattömörítő berendezést tartalmazó adó; azadattömörítő berendezést tartalmazó felvevő berendezés; adathőrdőzó,amelynek egy sávjába az adattömörített aűdiőjel fel van véve;adatbővítő berendezés egy adattömörített aűdiőjel adatbővítésére;adatbővítési eljárás; az adatbővítő berendezést tartalmazó vevő,valamint az adatbővítő berendezést tartalmazó lejátszó berendezés. Azadattömörítő berendezés tartalmaz bemeneti egységet az aűdiőjelvételére, átalakító egységet, amely az aűdiőjelet úgy alakítja át,hőgy egybites bitfőlyamjel jön létre az átalakító egység szigma-deltamődűlátőregységet tartalmaz. Tartalmaz tővábbá veszteségmentes kódőlóegységet, amely lényegében veszteségmentes adattömörítő műveletet véeza bitfőlyamjellel, úgyhőgy adattömörített bitfőlyamjel jön létre, éskimeneti egységet az adattömörített bitfőlyamjel szőlgáltatására. ŕ
HU9902037A 1996-10-10 1997-09-26 Berendezés és eljárás audiojel adattömörítésére és adatbżvítésére, valamint az ilyen berendezéseket tartalmazó adó, illetżleg vevż HU222636B1 (hu)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96202807 1996-10-10
EP97202137 1997-07-11
PCT/IB1997/001156 WO1998016014A1 (en) 1996-10-10 1997-09-26 Data compression and expansion of an audio signal

Publications (3)

Publication Number Publication Date
HUP9902037A2 true HUP9902037A2 (hu) 1999-11-29
HUP9902037A3 HUP9902037A3 (en) 1999-12-28
HU222636B1 HU222636B1 (hu) 2003-09-29

Family

ID=26143232

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9902037A HU222636B1 (hu) 1996-10-10 1997-09-26 Berendezés és eljárás audiojel adattömörítésére és adatbżvítésére, valamint az ilyen berendezéseket tartalmazó adó, illetżleg vevż

Country Status (16)

Country Link
US (1) US6269338B1 (hu)
EP (1) EP0865685B1 (hu)
JP (1) JP3935215B2 (hu)
KR (1) KR100603894B1 (hu)
CN (1) CN1126263C (hu)
AR (1) AR009826A1 (hu)
AT (1) ATE312435T1 (hu)
AU (1) AU4217397A (hu)
BR (1) BR9706828B1 (hu)
DE (1) DE69734816T2 (hu)
ES (1) ES2251742T3 (hu)
HU (1) HU222636B1 (hu)
MY (1) MY119457A (hu)
PL (1) PL192073B1 (hu)
RU (1) RU2178618C2 (hu)
WO (1) WO1998016014A1 (hu)

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Also Published As

Publication number Publication date
AR009826A1 (es) 2000-05-03
BR9706828A (pt) 1999-03-23
DE69734816D1 (de) 2006-01-12
PL192073B1 (pl) 2006-08-31
AU4217397A (en) 1998-05-05
PL327230A1 (en) 1998-12-07
MY119457A (en) 2005-05-31
CN1126263C (zh) 2003-10-29
EP0865685B1 (en) 2005-12-07
JP2000502539A (ja) 2000-02-29
ATE312435T1 (de) 2005-12-15
HU222636B1 (hu) 2003-09-29
RU2178618C2 (ru) 2002-01-20
DE69734816T2 (de) 2006-08-10
WO1998016014A1 (en) 1998-04-16
BR9706828B1 (pt) 2009-08-11
ES2251742T3 (es) 2006-05-01
US6269338B1 (en) 2001-07-31
KR100603894B1 (ko) 2006-12-13
JP3935215B2 (ja) 2007-06-20
HUP9902037A3 (en) 1999-12-28
EP0865685A1 (en) 1998-09-23
CN1209917A (zh) 1999-03-03
KR19990072035A (ko) 1999-09-27

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Effective date: 20030715