DE69333047D1 - Quantisierungsfehlerverminderer für Audiosignal - Google Patents

Quantisierungsfehlerverminderer für Audiosignal

Info

Publication number
DE69333047D1
DE69333047D1 DE69333047T DE69333047T DE69333047D1 DE 69333047 D1 DE69333047 D1 DE 69333047D1 DE 69333047 T DE69333047 T DE 69333047T DE 69333047 T DE69333047 T DE 69333047T DE 69333047 D1 DE69333047 D1 DE 69333047D1
Authority
DE
Germany
Prior art keywords
audio signal
quantization error
error reducer
reducer
quantization
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.)
Expired - Fee Related
Application number
DE69333047T
Other languages
English (en)
Other versions
DE69333047T2 (de
Inventor
Makoto Akune
Hedoru Robaato
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69333047D1 publication Critical patent/DE69333047D1/de
Publication of DE69333047T2 publication Critical patent/DE69333047T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE1993633047 1992-05-06 1993-04-15 Quantisierungsfehlerverminderer für Audiosignal Expired - Fee Related DE69333047T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11360192 1992-05-06
JP11360192 1992-05-06

Publications (2)

Publication Number Publication Date
DE69333047D1 true DE69333047D1 (de) 2003-07-24
DE69333047T2 DE69333047T2 (de) 2004-05-06

Family

ID=14616352

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993633047 Expired - Fee Related DE69333047T2 (de) 1992-05-06 1993-04-15 Quantisierungsfehlerverminderer für Audiosignal

Country Status (2)

Country Link
EP (1) EP0568846B1 (de)
DE (1) DE69333047T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293297B (en) * 1994-09-13 1999-01-20 Sony Uk Ltd Dithered data coding
JPH09307385A (ja) * 1996-03-13 1997-11-28 Fuideritsukusu:Kk 音響信号再生方法及び装置
GB2451474B (en) * 2007-07-31 2012-03-28 Wolfson Microelectronics Plc word length reduction circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0738588B2 (ja) * 1985-07-11 1995-04-26 ティアツク株式会社 アナログ―デイジタル変換装置
JPH02134010A (ja) * 1988-11-15 1990-05-23 Sony Corp 信号処理装置
JPH0472909A (ja) * 1990-07-13 1992-03-06 Sony Corp オーディオ信号の量子化誤差低減装置

Also Published As

Publication number Publication date
EP0568846A1 (de) 1993-11-10
DE69333047T2 (de) 2004-05-06
EP0568846B1 (de) 2003-06-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee