CN100588124C - 无损音频解码/编码方法和装置 - Google Patents

无损音频解码/编码方法和装置 Download PDF

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Publication number
CN100588124C
CN100588124C CN200510071781A CN200510071781A CN100588124C CN 100588124 C CN100588124 C CN 100588124C CN 200510071781 A CN200510071781 A CN 200510071781A CN 200510071781 A CN200510071781 A CN 200510071781A CN 100588124 C CN100588124 C CN 100588124C
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China
Prior art keywords
context
sample
bit
utilize
audio
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Expired - Fee Related
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CN200510071781A
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English (en)
Chinese (zh)
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CN1684371A (zh
Inventor
金重会
苗磊
李时和
金尚煜
吴殷美
金度亨
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1684371A publication Critical patent/CN1684371A/zh
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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
    • F21V33/0056—Audio equipment, e.g. music instruments, radios or speakers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN200510071781A 2004-02-27 2005-02-28 无损音频解码/编码方法和装置 Expired - Fee Related CN100588124C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040013681A KR20050087956A (ko) 2004-02-27 2004-02-27 무손실 오디오 부호화/복호화 방법 및 장치
KR13681/04 2004-02-27

Publications (2)

Publication Number Publication Date
CN1684371A CN1684371A (zh) 2005-10-19
CN100588124C true CN100588124C (zh) 2010-02-03

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CN200510071781A Expired - Fee Related CN100588124C (zh) 2004-02-27 2005-02-28 无损音频解码/编码方法和装置

Country Status (5)

Country Link
US (1) US7617110B2 (https=)
EP (1) EP1569203A3 (https=)
JP (2) JP5384780B2 (https=)
KR (1) KR20050087956A (https=)
CN (1) CN100588124C (https=)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7536305B2 (en) * 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
KR100561869B1 (ko) * 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
MX2007000459A (es) * 2004-07-14 2007-07-25 Agency Science Tech & Res Codificacion y descodificacion de senales, basadas en contexto.
WO2008035949A1 (en) * 2006-09-22 2008-03-27 Samsung Electronics Co., Ltd. Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding
US9247260B1 (en) * 2006-11-01 2016-01-26 Opera Software Ireland Limited Hybrid bitmap-mode encoding
US8086465B2 (en) * 2007-03-20 2011-12-27 Microsoft Corporation Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms
US7991622B2 (en) * 2007-03-20 2011-08-02 Microsoft Corporation Audio compression and decompression using integer-reversible modulated lapped transforms
CN101308655B (zh) * 2007-05-16 2011-07-06 展讯通信（上海）有限公司 一种音频编解码方法与装置
CN100592760C (zh) * 2007-05-17 2010-02-24 展讯通信（上海）有限公司 拍照时自动检测并矫正红眼的方法
US20090060027A1 (en) * 2007-08-30 2009-03-05 Tektronix, Inc. Compressed Signal Subjective Quality Ratings Prediction
EP3937167B1 (en) 2008-07-11 2023-05-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and audio decoder
EP2211335A1 (en) * 2009-01-21 2010-07-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal
KR20100136890A (ko) 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
BR122022013454B1 (pt) 2009-10-20 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados
AU2011206677B9 (en) 2010-01-12 2014-12-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values
MY179769A (en) * 2010-07-20 2020-11-13 Fraunhofer Ges Forschung Audio encoder, audio decoder,method for encoding and audio information, method for decoding an audio information and computer program using an optimized hash table
KR101676477B1 (ko) * 2010-07-21 2016-11-15 삼성전자주식회사 컨텍스트 기반의 무손실 부호화 장치 및 방법, 그리고 복호화 장치 및 방법
US8699801B2 (en) * 2010-11-26 2014-04-15 Agfa Healthcare Inc. Systems and methods for transmitting high dynamic range images
CN103649706B (zh) * 2011-03-16 2015-11-25 Dts（英属维尔京群岛）有限公司 三维音频音轨的编码及再现
US9779739B2 (en) 2014-03-20 2017-10-03 Dts, Inc. Residual encoding in an object-based audio system
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
GB2579568B (en) 2018-12-03 2022-04-27 Advanced Risc Mach Ltd Encoding data arrays
CN109887515B (zh) * 2019-01-29 2021-07-09 北京市商汤科技开发有限公司 音频处理方法及装置、电子设备和存储介质
CN110265043B (zh) * 2019-06-03 2021-06-01 同响科技股份有限公司 自适应有损或无损的音频压缩和解压缩演算方法
CN110233626B (zh) * 2019-07-05 2022-10-25 重庆邮电大学 基于二维自适应量化的机械振动信号边缘数据无损压缩方法
CN113555034B (zh) * 2021-08-03 2024-03-01 京东科技信息技术有限公司 压缩音频识别方法、装置及存储介质
EP4443879A1 (en) * 2023-03-24 2024-10-09 Samsung Electronics Co., Ltd. Image processing device and operating method thereof
CN116600135B (zh) * 2023-06-06 2024-02-13 广州大学 基于无损压缩的溯源图压缩方法及系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960015195A (ko) * 1994-10-31 1996-05-22 배순훈 트리 구조 이원 연산 코딩 장치
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
JP4367880B2 (ja) * 1999-12-09 2009-11-18 キヤノン株式会社 画像処理装置及びその方法並びに記憶媒体
JP3684128B2 (ja) * 2000-02-18 2005-08-17 キヤノン株式会社 算術符号化／復号化方法ならびに算術符号化／復号化装置
JP4086481B2 (ja) * 2000-06-14 2008-05-14 キヤノン株式会社 算術復号化方法及び装置並びに記憶媒体
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
US6856701B2 (en) * 2001-09-14 2005-02-15 Nokia Corporation Method and system for context-based adaptive binary arithmetic coding
GB2388502A (en) * 2002-05-10 2003-11-12 Chris Dunn Compression of frequency domain audio signals
BR0215919A (pt) * 2002-10-24 2005-08-23 Agency Science Tech & Res Método e dispositivo para processar sìmbolos de bit gerados por uma fonte de dados; meio legìvel por computador; elemento de programa de computador

Also Published As

Publication number Publication date
US20050192799A1 (en) 2005-09-01
KR20050087956A (ko) 2005-09-01
JP5384780B2 (ja) 2014-01-08
EP1569203A2 (en) 2005-08-31
US7617110B2 (en) 2009-11-10
EP1569203A3 (en) 2006-09-27
JP2005242363A (ja) 2005-09-08
CN1684371A (zh) 2005-10-19
JP2012226375A (ja) 2012-11-15

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