DE602005009143D1 - Verfahren und System zur Kodierung/Dekodierung mit niedriger Übertragungsrate - Google Patents

Verfahren und System zur Kodierung/Dekodierung mit niedriger Übertragungsrate

Info

Publication number
DE602005009143D1
DE602005009143D1 DE602005009143T DE602005009143T DE602005009143D1 DE 602005009143 D1 DE602005009143 D1 DE 602005009143D1 DE 602005009143 T DE602005009143 T DE 602005009143T DE 602005009143 T DE602005009143 T DE 602005009143T DE 602005009143 D1 DE602005009143 D1 DE 602005009143D1
Authority
DE
Germany
Prior art keywords
decoding
encoding
transmission rate
low transmission
low
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
DE602005009143T
Other languages
English (en)
Inventor
Eunmi Oh
Junghoe Kim
Sangwook Kim
Andrey Egorov
Anton Porov
Konstantin Osipov
Boris Kudryashov
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602005009143D1 publication Critical patent/DE602005009143D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE602005009143T 2004-06-25 2005-01-13 Verfahren und System zur Kodierung/Dekodierung mit niedriger Übertragungsrate Expired - Fee Related DE602005009143D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040048036A KR100634506B1 (ko) 2004-06-25 2004-06-25 저비트율 부호화/복호화 방법 및 장치

Publications (1)

Publication Number Publication Date
DE602005009143D1 true DE602005009143D1 (de) 2008-10-02

Family

ID=36763628

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602005009143T Expired - Fee Related DE602005009143D1 (de) 2004-06-25 2005-01-13 Verfahren und System zur Kodierung/Dekodierung mit niedriger Übertragungsrate
DE602005009142T Active DE602005009142D1 (de) 2004-06-25 2005-01-13 Verfahren und System zur Kodierung/Dekodierung mit niedriger Übertragungsrate

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602005009142T Active DE602005009142D1 (de) 2004-06-25 2005-01-13 Verfahren und System zur Kodierung/Dekodierung mit niedriger Übertragungsrate

Country Status (5)

Country Link
US (1) US20060004566A1 (de)
EP (3) EP1612772A1 (de)
JP (1) JP2006011456A (de)
KR (1) KR100634506B1 (de)
DE (2) DE602005009143D1 (de)

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US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US7546240B2 (en) 2005-07-15 2009-06-09 Microsoft Corporation Coding with improved time resolution for selected segments via adaptive block transformation of a group of samples from a subband decomposition
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
JP5189760B2 (ja) * 2006-12-15 2013-04-24 シャープ株式会社 信号処理方法、信号処理装置及びプログラム
JP4963955B2 (ja) * 2006-12-28 2012-06-27 シャープ株式会社 信号処理方法、信号処理装置及びプログラム
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
KR101411901B1 (ko) * 2007-06-12 2014-06-26 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
US7761290B2 (en) * 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US7987285B2 (en) * 2007-07-10 2011-07-26 Bytemobile, Inc. Adaptive bitrate management for streaming media over packet networks
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
WO2009128617A2 (en) * 2008-04-18 2009-10-22 Electronics And Telecommunications Research Institute Apparatus and method for low-complexity three-dimensional mesh compression
WO2009128660A2 (en) 2008-04-18 2009-10-22 Electronics And Telecommunications Research Institute Method and apparatus for real time 3d mesh compression, based on quanitzation
KR101048368B1 (ko) * 2008-07-14 2011-07-11 한양대학교 산학협력단 연결정보 분석을 통한 3차원 메쉬 모델의 부호화 장치 및 방법
KR101756834B1 (ko) 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
EP2320416B1 (de) * 2008-08-08 2014-03-05 Panasonic Corporation Spektralglättungsvorrichtung, Kodierungsvorrichtung, Dekodierungsvorrichtung, Kommunikationsendgerät, Basisstationsvorrichtung und Spektralglättungsverfahren
KR101546849B1 (ko) 2009-01-05 2015-08-24 삼성전자주식회사 주파수 영역에서의 음장효과 생성 방법 및 장치
CN101847413B (zh) * 2010-04-09 2011-11-16 北京航空航天大学 一种使用新型心理声学模型和快速比特分配实现数字音频编码的方法
WO2014002226A1 (ja) * 2012-06-28 2014-01-03 株式会社日立製作所 無線通信による信号処理装置および方法
KR101782916B1 (ko) 2013-09-17 2017-09-28 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
WO2015060654A1 (ko) 2013-10-22 2015-04-30 한국전자통신연구원 오디오 신호의 필터 생성 방법 및 이를 위한 파라메터화 장치
WO2015099429A1 (ko) 2013-12-23 2015-07-02 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법, 이를 위한 파라메터화 장치 및 오디오 신호 처리 장치
CN108600935B (zh) 2014-03-19 2020-11-03 韦勒斯标准与技术协会公司 音频信号处理方法和设备
KR101856127B1 (ko) 2014-04-02 2018-05-09 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
AU2014204540B1 (en) * 2014-07-21 2015-08-20 Matthew Brown Audio Signal Processing Methods and Systems
EP2980794A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor
US10043527B1 (en) * 2015-07-17 2018-08-07 Digimarc Corporation Human auditory system modeling with masking energy adaptation
CN108496221B (zh) 2016-01-26 2020-01-21 杜比实验室特许公司 自适应量化
WO2020031483A1 (ja) * 2018-08-08 2020-02-13 ソニー株式会社 復号装置、復号方法、プログラム

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US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP4470304B2 (ja) * 2000-09-14 2010-06-02 ソニー株式会社 圧縮データ記録装置、記録方法、圧縮データ記録再生装置、記録再生方法および記録媒体
US20010040525A1 (en) * 2000-11-22 2001-11-15 L3 Communications Corporation System and methid for detecting signals across radar and communications bands
WO2003028213A1 (en) * 2001-09-28 2003-04-03 Stmicroelectronics Asia Pacific Pte Ltd. Non-uniform filter bank implementation
US20040083094A1 (en) * 2002-10-29 2004-04-29 Texas Instruments Incorporated Wavelet-based compression and decompression of audio sample sets
US7318027B2 (en) * 2003-02-06 2008-01-08 Dolby Laboratories Licensing Corporation Conversion of synthesized spectral components for encoding and low-complexity transcoding
SG135920A1 (en) * 2003-03-07 2007-10-29 St Microelectronics Asia Device and process for use in encoding audio data
WO2004107318A1 (en) * 2003-05-27 2004-12-09 Koninklijke Philips Electronics N.V. Audio coding
US20050091041A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for speech coding

Also Published As

Publication number Publication date
KR100634506B1 (ko) 2006-10-16
US20060004566A1 (en) 2006-01-05
EP1612772A1 (de) 2006-01-04
DE602005009142D1 (de) 2008-10-02
EP1715476B1 (de) 2008-08-20
EP1715477B1 (de) 2008-08-20
KR20050123396A (ko) 2005-12-29
EP1715476A1 (de) 2006-10-25
JP2006011456A (ja) 2006-01-12
EP1715477A1 (de) 2006-10-25

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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