DE69333394D1 - Hochwirksames Kodierverfahren und -gerät - Google Patents

Hochwirksames Kodierverfahren und -gerät

Info

Publication number
DE69333394D1
DE69333394D1 DE69333394T DE69333394T DE69333394D1 DE 69333394 D1 DE69333394 D1 DE 69333394D1 DE 69333394 T DE69333394 T DE 69333394T DE 69333394 T DE69333394 T DE 69333394T DE 69333394 D1 DE69333394 D1 DE 69333394D1
Authority
DE
Germany
Prior art keywords
coding method
highly effective
effective coding
highly
effective
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
DE69333394T
Other languages
English (en)
Other versions
DE69333394T2 (de
Inventor
Hiroshi Suzuki
Makoto Akune
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
Publication of DE69333394D1 publication Critical patent/DE69333394D1/de
Application granted granted Critical
Publication of DE69333394T2 publication Critical patent/DE69333394T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/66—Details 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
    • H04B1/665—Details 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69333394T 1992-11-11 1993-11-08 Hochwirksames Kodierverfahren und -gerät Expired - Fee Related DE69333394T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30094792 1992-11-11
JP30094792A JP3343962B2 (ja) 1992-11-11 1992-11-11 高能率符号化方法及び装置

Publications (2)

Publication Number Publication Date
DE69333394D1 true DE69333394D1 (de) 2004-02-26
DE69333394T2 DE69333394T2 (de) 2004-11-04

Family

ID=17891010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69333394T Expired - Fee Related DE69333394T2 (de) 1992-11-11 1993-11-08 Hochwirksames Kodierverfahren und -gerät

Country Status (4)

Country Link
US (1) US5684923A (de)
EP (1) EP0597649B1 (de)
JP (1) JP3343962B2 (de)
DE (1) DE69333394T2 (de)

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JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
JP3186292B2 (ja) * 1993-02-02 2001-07-11 ソニー株式会社 高能率符号化方法及び装置
JP3186307B2 (ja) * 1993-03-09 2001-07-11 ソニー株式会社 圧縮データ記録装置及び方法
JP3173218B2 (ja) * 1993-05-10 2001-06-04 ソニー株式会社 圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体
KR100458969B1 (ko) * 1993-05-31 2005-04-06 소니 가부시끼 가이샤 신호부호화또는복호화장치,및신호부호화또는복호화방법
PL173718B1 (pl) * 1993-06-30 1998-04-30 Sony Corp Sposób i urządzenie do kodowania sygnałów cyfrowych
TW272341B (de) * 1993-07-16 1996-03-11 Sony Co Ltd
TW327223B (en) * 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
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JP3250376B2 (ja) * 1994-06-13 2002-01-28 ソニー株式会社 情報符号化方法及び装置並びに情報復号化方法及び装置
JP3277705B2 (ja) 1994-07-27 2002-04-22 ソニー株式会社 情報符号化装置及び方法、並びに情報復号化装置及び方法
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
JPH1132399A (ja) * 1997-05-13 1999-02-02 Sony Corp 符号化方法及び装置、並びに記録媒体
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US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
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
JP4296752B2 (ja) * 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
EP1523863A1 (de) * 2002-07-16 2005-04-20 Koninklijke Philips Electronics N.V. Audio-kodierung
JP4676140B2 (ja) 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
US7299190B2 (en) 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
JP2005202248A (ja) * 2004-01-16 2005-07-28 Fujitsu Ltd オーディオ符号化装置およびオーディオ符号化装置のフレーム領域割り当て回路
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US7539612B2 (en) 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
US7953604B2 (en) 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
EP2209114B1 (de) * 2007-10-31 2014-05-14 Panasonic Corporation Vorrichtung/Verfahren zur Sprachkodierung/Sprachdekodierung
JP4922427B2 (ja) 2010-04-19 2012-04-25 株式会社東芝 信号補正装置
JP6267860B2 (ja) 2011-11-28 2018-01-24 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 音声信号送信装置、音声信号受信装置及びその方法
JP6303435B2 (ja) 2013-11-22 2018-04-04 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化用プログラム、オーディオ復号装置

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JP3134455B2 (ja) * 1992-01-29 2001-02-13 ソニー株式会社 高能率符号化装置及び方法

Also Published As

Publication number Publication date
EP0597649B1 (de) 2004-01-21
EP0597649A2 (de) 1994-05-18
DE69333394T2 (de) 2004-11-04
US5684923A (en) 1997-11-04
JP3343962B2 (ja) 2002-11-11
JPH06149292A (ja) 1994-05-27
EP0597649A3 (de) 1995-01-25

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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