DE69829242D1 - Tonsignalkodierverfahren und -gerät - Google Patents

Tonsignalkodierverfahren und -gerät

Info

Publication number
DE69829242D1
DE69829242D1 DE69829242T DE69829242T DE69829242D1 DE 69829242 D1 DE69829242 D1 DE 69829242D1 DE 69829242 T DE69829242 T DE 69829242T DE 69829242 T DE69829242 T DE 69829242T DE 69829242 D1 DE69829242 D1 DE 69829242D1
Authority
DE
Germany
Prior art keywords
coding method
tone signal
signal coding
tone
signal
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
DE69829242T
Other languages
English (en)
Other versions
DE69829242T2 (de
Inventor
Osamu Shimoyoshi
Kyoya Tsutsui
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 DE69829242D1 publication Critical patent/DE69829242D1/de
Application granted granted Critical
Publication of DE69829242T2 publication Critical patent/DE69829242T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04B1/667—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 a division in frequency subbands
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • G11B2020/00043—Adaptive transform acoustic coding [ATRAC]
    • 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
    • G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69829242T 1997-05-13 1998-05-11 Tonsignalkodierverfahren und -gerät Expired - Lifetime DE69829242T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12244997 1997-05-13
JP12244997 1997-05-13

Publications (2)

Publication Number Publication Date
DE69829242D1 true DE69829242D1 (de) 2005-04-14
DE69829242T2 DE69829242T2 (de) 2006-02-09

Family

ID=14836129

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69829242T Expired - Lifetime DE69829242T2 (de) 1997-05-13 1998-05-11 Tonsignalkodierverfahren und -gerät

Country Status (4)

Country Link
US (1) US6356211B1 (de)
KR (1) KR19980086960A (de)
CN (1) CN1145894C (de)
DE (1) DE69829242T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6529730B1 (en) * 1998-05-15 2003-03-04 Conexant Systems, Inc System and method for adaptive multi-rate (AMR) vocoder rate adaption
JP2000123486A (ja) * 1998-10-21 2000-04-28 Pioneer Electronic Corp 記録装置
JP4406988B2 (ja) * 1999-03-29 2010-02-03 ソニー株式会社 不揮発性記録媒体、記録方法、記録装置
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
DE19959156C2 (de) * 1999-12-08 2002-01-31 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals
US6614365B2 (en) * 2000-12-14 2003-09-02 Sony Corporation Coding device and method, decoding device and method, and recording medium
JP3598993B2 (ja) * 2001-05-18 2004-12-08 ソニー株式会社 符号化装置及び方法
US6963842B2 (en) * 2001-09-05 2005-11-08 Creative Technology Ltd. Efficient system and method for converting between different transform-domain signal representations
US6625387B1 (en) * 2002-03-01 2003-09-23 Thomson Licensing S.A. Gated silence removal during video trick modes
US7130528B2 (en) * 2002-03-01 2006-10-31 Thomson Licensing Audio data deletion and silencing during trick mode replay
US7149412B2 (en) * 2002-03-01 2006-12-12 Thomson Licensing Trick mode audio playback
US7809241B2 (en) * 2002-03-01 2010-10-05 Thomson Licensing Audio frequency scaling during video trick modes utilizing digital signal processing
JP4296753B2 (ja) * 2002-05-20 2009-07-15 ソニー株式会社 音響信号符号化方法及び装置、音響信号復号方法及び装置、並びにプログラム及び記録媒体
CA2566366C (en) * 2004-05-19 2013-08-06 Matsushita Electric Industrial Co. Ltd. Audio signal encoder and audio signal decoder
WO2006035705A1 (ja) * 2004-09-28 2006-04-06 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
JP2006197391A (ja) * 2005-01-14 2006-07-27 Toshiba Corp 音声ミクシング処理装置及び音声ミクシング処理方法
JP4850827B2 (ja) * 2005-04-28 2012-01-11 パナソニック株式会社 音声符号化装置および音声符号化方法
JP4907522B2 (ja) * 2005-04-28 2012-03-28 パナソニック株式会社 音声符号化装置および音声符号化方法
US8150702B2 (en) * 2006-08-04 2012-04-03 Panasonic Corporation Stereo audio encoding device, stereo audio decoding device, and method thereof
JPWO2008016098A1 (ja) * 2006-08-04 2009-12-24 パナソニック株式会社 ステレオ音声符号化装置、ステレオ音声復号装置およびこれらの方法
WO2008132850A1 (ja) * 2007-04-25 2008-11-06 Panasonic Corporation ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
JPWO2009122757A1 (ja) * 2008-04-04 2011-07-28 パナソニック株式会社 ステレオ信号変換装置、ステレオ信号逆変換装置およびこれらの方法
CN101604524B (zh) * 2008-06-11 2012-01-11 北京天籁传音数字技术有限公司 立体声编码方法及其装置、立体声解码方法及其装置
US20090319279A1 (en) * 2008-06-19 2009-12-24 Hongwei Kong Method and system for audio transmit loopback processing in an audio codec
JP5333257B2 (ja) * 2010-01-20 2013-11-06 富士通株式会社 符号化装置、符号化システムおよび符号化方法
CN103368682B (zh) 2012-03-29 2016-12-07 华为技术有限公司 信号编码和解码的方法和设备
EP2950308B1 (de) 2013-01-22 2020-02-19 Panasonic Corporation Generator für bandbreitenerweiterungsparameter, codierer, decodierer, verfahren zur generierung von bandbreitenerweiterungsparametern, codierverfahren und decodierungsverfahren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61107818A (ja) * 1984-10-30 1986-05-26 Nec Corp エントロピ−符号化方式とその装置
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
US5414423A (en) * 1993-04-29 1995-05-09 International Business Machines Corporation Stabilization of probability estimates by conditioning on prior decisions of a given context
JP3175446B2 (ja) * 1993-11-29 2001-06-11 ソニー株式会社 情報圧縮方法及び装置、圧縮情報伸張方法及び装置、圧縮情報記録／伝送装置、圧縮情報再生装置、圧縮情報受信装置、並びに記録媒体
US5635930A (en) * 1994-10-03 1997-06-03 Sony Corporation Information encoding method and apparatus, information decoding method and apparatus and recording medium
JP2766466B2 (ja) * 1995-08-02 1998-06-18 株式会社東芝 オーディオ方式、その再生方法、並びにその記録媒体及びその記録媒体への記録方法

Also Published As

Publication number Publication date
KR19980086960A (ko) 1998-12-05
US6356211B1 (en) 2002-03-12
CN1199202A (zh) 1998-11-18
DE69829242T2 (de) 2006-02-09
CN1145894C (zh) 2004-04-14

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)