DE69737302D1 - Verfahren zur Kodierung digitaler Daten - Google Patents

Verfahren zur Kodierung digitaler Daten

Info

Publication number
DE69737302D1
DE69737302D1 DE69737302T DE69737302T DE69737302D1 DE 69737302 D1 DE69737302 D1 DE 69737302D1 DE 69737302 T DE69737302 T DE 69737302T DE 69737302 T DE69737302 T DE 69737302T DE 69737302 D1 DE69737302 D1 DE 69737302D1
Authority
DE
Germany
Prior art keywords
digital data
coding digital
coding
data
digital
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
DE69737302T
Other languages
English (en)
Other versions
DE69737302T2 (de
Inventor
Osamu Fujii
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE69737302D1 publication Critical patent/DE69737302D1/de
Publication of DE69737302T2 publication Critical patent/DE69737302T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • 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)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69737302T 1997-01-22 1997-12-15 Verfahren zum Codieren von digitalen Audiosignalen Expired - Lifetime DE69737302T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP960597 1997-01-22
JP00960597A JP3328532B2 (ja) 1997-01-22 1997-01-22 デジタルデータの符号化方法

Publications (2)

Publication Number Publication Date
DE69737302D1 true DE69737302D1 (de) 2007-03-15
DE69737302T2 DE69737302T2 (de) 2007-11-08

Family

ID=11724947

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69737302T Expired - Lifetime DE69737302T2 (de) 1997-01-22 1997-12-15 Verfahren zum Codieren von digitalen Audiosignalen
DE69732619T Expired - Lifetime DE69732619T2 (de) 1997-01-22 1997-12-15 Verfahren zum Codieren von digitalen Audiosignalen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69732619T Expired - Lifetime DE69732619T2 (de) 1997-01-22 1997-12-15 Verfahren zum Codieren von digitalen Audiosignalen

Country Status (4)

Country Link
US (2) US6138101A (de)
EP (2) EP1198072B1 (de)
JP (1) JP3328532B2 (de)
DE (2) DE69737302T2 (de)

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KR100548891B1 (ko) * 1998-06-15 2006-02-02 마츠시타 덴끼 산교 가부시키가이샤 음성 부호화 장치 및 음성 부호화 방법
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US8107524B2 (en) 2001-03-30 2012-01-31 Vixs Systems, Inc. Adaptive bandwidth footprint matching for multiple compressed video streams in a fixed bandwidth network
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US7675972B1 (en) 2001-07-30 2010-03-09 Vixs Systems, Inc. System and method for multiple channel video transcoding
US7596127B1 (en) 2001-10-31 2009-09-29 Vixs Systems, Inc. System for allocating data in a communications system and method thereof
US7139330B1 (en) 2001-10-31 2006-11-21 Vixs Systems, Inc. System for signal mixing and method thereof
US7106715B1 (en) 2001-11-16 2006-09-12 Vixs Systems, Inc. System for providing data to multiple devices and method thereof
US7356079B2 (en) 2001-11-21 2008-04-08 Vixs Systems Inc. Method and system for rate control during video transcoding
US7403564B2 (en) 2001-11-21 2008-07-22 Vixs Systems, Inc. System and method for multiple channel video transcoding
US7165180B1 (en) 2001-11-27 2007-01-16 Vixs Systems, Inc. Monolithic semiconductor device for preventing external access to an encryption key
US7310679B1 (en) 2002-04-29 2007-12-18 Vixs Systems Inc. Method and system for transmitting video content while preventing other transmissions in a contention-based network
US7120253B2 (en) 2002-05-02 2006-10-10 Vixs Systems, Inc. Method and system for protecting video data
US20040002859A1 (en) * 2002-06-26 2004-01-01 Chi-Min Liu Method and architecture of digital conding for transmitting and packing audio signals
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US7408989B2 (en) 2003-01-16 2008-08-05 Vix5 Systems Inc Method of video encoding using windows and system thereof
US7133452B1 (en) 2003-02-24 2006-11-07 Vixs Systems, Inc. Method and system for transcoding video data
US7606305B1 (en) 2003-02-24 2009-10-20 Vixs Systems, Inc. Method and system for transcoding video data
US7327784B2 (en) 2003-02-24 2008-02-05 Vixs Systems, Inc. Method and system for transcoding video data
US7130350B1 (en) 2003-02-28 2006-10-31 Vixs Systems, Inc. Method and system for encoding and decoding data in a video stream
US7739105B2 (en) 2003-06-13 2010-06-15 Vixs Systems, Inc. System and method for processing audio frames
KR20050028193A (ko) * 2003-09-17 2005-03-22 삼성전자주식회사 오디오 신호에 적응적으로 부가 정보를 삽입하기 위한방법, 오디오 신호에 삽입된 부가 정보의 재생 방법, 및그 장치와 이를 구현하기 위한 프로그램이 기록된 기록 매체
US7668396B2 (en) 2003-09-29 2010-02-23 Vixs Systems, Inc. Method and system for noise reduction in an image
US7277101B2 (en) 2003-09-29 2007-10-02 Vixs Systems Inc Method and system for scaling images
US7406598B2 (en) 2004-02-17 2008-07-29 Vixs Systems Inc. Method and system for secure content distribution
US7725313B2 (en) * 2004-09-13 2010-05-25 Ittiam Systems (P) Ltd. Method, system and apparatus for allocating bits in perceptual audio coders
US7421048B2 (en) 2005-01-20 2008-09-02 Vixs Systems, Inc. System and method for multimedia delivery in a wireless environment
US7609766B2 (en) 2005-02-08 2009-10-27 Vixs Systems, Inc. System of intra-picture complexity preprocessing
US8949920B2 (en) 2005-03-17 2015-02-03 Vixs Systems Inc. System and method for storage device emulation in a multimedia processing system
US7400869B2 (en) 2005-03-22 2008-07-15 Vixs Systems Inc. System and method for adaptive DC offset compensation in wireless transmissions
WO2006121101A1 (ja) * 2005-05-13 2006-11-16 Matsushita Electric Industrial Co., Ltd. 音声符号化装置およびスペクトル変形方法
US7707485B2 (en) 2005-09-28 2010-04-27 Vixs Systems, Inc. System and method for dynamic transrating based on content
US8131995B2 (en) 2006-01-24 2012-03-06 Vixs Systems, Inc. Processing feature revocation and reinvocation
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EP2002426B1 (de) * 2006-04-04 2009-09-02 Dolby Laboratories Licensing Corporation Lautstärkemessung von tonsignalen und änderung im mdct-bereich
WO2009004727A1 (ja) 2007-07-04 2009-01-08 Fujitsu Limited 符号化装置、符号化方法および符号化プログラム
KR101435411B1 (ko) * 2007-09-28 2014-08-28 삼성전자주식회사 심리 음향 모델의 마스킹 효과에 따라 적응적으로 양자화간격을 결정하는 방법과 이를 이용한 오디오 신호의부호화/복호화 방법 및 그 장치
WO2009059633A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation An encoder
EP2220646A1 (de) * 2007-11-06 2010-08-25 Nokia Corporation Audiocodierungsvorrichtung und verfahren dafür
JP5262171B2 (ja) * 2008-02-19 2013-08-14 富士通株式会社 符号化装置、符号化方法および符号化プログラム
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
JP5539992B2 (ja) * 2009-08-20 2014-07-02 トムソン ライセンシング レート制御装置、レート制御方法及びレート制御プログラム
JP5754899B2 (ja) * 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
WO2011080916A1 (ja) * 2009-12-28 2011-07-07 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
US8538035B2 (en) 2010-04-29 2013-09-17 Audience, Inc. Multi-microphone robust noise suppression
US8606571B1 (en) * 2010-04-19 2013-12-10 Audience, Inc. Spatial selectivity noise reduction tradeoff for multi-microphone systems
US8473287B2 (en) 2010-04-19 2013-06-25 Audience, Inc. Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system
US8781137B1 (en) 2010-04-27 2014-07-15 Audience, Inc. Wind noise detection and suppression
US8447596B2 (en) 2010-07-12 2013-05-21 Audience, Inc. Monaural noise suppression based on computational auditory scene analysis
CN105825858B (zh) * 2011-05-13 2020-02-14 三星电子株式会社 比特分配、音频编码和解码
JP6179087B2 (ja) * 2012-10-24 2017-08-16 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コンピュータプログラム
US20180317019A1 (en) 2013-05-23 2018-11-01 Knowles Electronics, Llc Acoustic activity detecting microphone
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JP6318904B2 (ja) * 2014-06-23 2018-05-09 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、オーディオ符号化プログラム
CN107112012B (zh) 2015-01-07 2020-11-20 美商楼氏电子有限公司 用于音频处理的方法和系统及计算机可读存储介质
US9712348B1 (en) * 2016-01-15 2017-07-18 Avago Technologies General Ip (Singapore) Pte. Ltd. System, device, and method for shaping transmit noise
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JP3328532B2 (ja) * 1997-01-22 2002-09-24 シャープ株式会社 デジタルデータの符号化方法

Also Published As

Publication number Publication date
EP0855805B1 (de) 2005-03-02
EP0855805A3 (de) 2000-04-19
DE69737302T2 (de) 2007-11-08
EP1198072A3 (de) 2004-03-31
JPH10207489A (ja) 1998-08-07
US6138101A (en) 2000-10-24
EP1198072A2 (de) 2002-04-17
US6370499B1 (en) 2002-04-09
EP1198072B1 (de) 2007-01-24
JP3328532B2 (ja) 2002-09-24
DE69732619T2 (de) 2006-04-06
DE69732619D1 (de) 2005-04-07
EP0855805A2 (de) 1998-07-29

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Legal Events

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