DE69924922D1 - Audiokodierungsmethode und Audiokodierungsvorrichtung - Google Patents

Audiokodierungsmethode und Audiokodierungsvorrichtung

Info

Publication number
DE69924922D1
DE69924922D1 DE69924922T DE69924922T DE69924922D1 DE 69924922 D1 DE69924922 D1 DE 69924922D1 DE 69924922 T DE69924922 T DE 69924922T DE 69924922 T DE69924922 T DE 69924922T DE 69924922 D1 DE69924922 D1 DE 69924922D1
Authority
DE
Germany
Prior art keywords
audio encoding
encoding device
encoding method
audio
encoding
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 - Lifetime
Application number
DE69924922T
Other languages
English (en)
Other versions
DE69924922T2 (de
Inventor
Eiji Kawahara
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69924922D1 publication Critical patent/DE69924922D1/de
Application granted granted Critical
Publication of DE69924922T2 publication Critical patent/DE69924922T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • H04B1/667Details 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 a division in frequency subbands
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/28Programmable structures, i.e. where the code converter contains apparatus which is operator-changeable to modify the conversion process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • H04B1/665Details 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
DE69924922T 1998-06-15 1999-06-14 Audiokodierungsmethode und Audiokodierungsvorrichtung Expired - Lifetime DE69924922T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16724598 1998-06-15
JP16724598 1998-06-15

Publications (2)

Publication Number Publication Date
DE69924922D1 true DE69924922D1 (de) 2005-06-02
DE69924922T2 DE69924922T2 (de) 2006-12-21

Family

ID=15846160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924922T Expired - Lifetime DE69924922T2 (de) 1998-06-15 1999-06-14 Audiokodierungsmethode und Audiokodierungsvorrichtung

Country Status (5)

Country Link
US (2) US6393393B1 (de)
EP (1) EP0966109B1 (de)
KR (1) KR100548891B1 (de)
CN (1) CN1327619C (de)
DE (1) DE69924922T2 (de)

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JP5446258B2 (ja) * 2008-12-26 2014-03-19 富士通株式会社 オーディオ符号化装置
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Also Published As

Publication number Publication date
KR20000006157A (ko) 2000-01-25
EP0966109A2 (de) 1999-12-22
EP0966109B1 (de) 2005-04-27
DE69924922T2 (de) 2006-12-21
US6393393B1 (en) 2002-05-21
US6697775B2 (en) 2004-02-24
EP0966109A3 (de) 2002-10-16
CN1327619C (zh) 2007-07-18
US20020138259A1 (en) 2002-09-26
CN1247415A (zh) 2000-03-15
KR100548891B1 (ko) 2006-02-02

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Owner name: PANASONIC CORP., KADOMA, OSAKA, JP