KR20050087956A - 무손실 오디오 부호화/복호화 방법 및 장치 - Google Patents

무손실 오디오 부호화/복호화 방법 및 장치 Download PDF

Info

Publication number
KR20050087956A
KR20050087956A KR1020040013681A KR20040013681A KR20050087956A KR 20050087956 A KR20050087956 A KR 20050087956A KR 1020040013681 A KR1020040013681 A KR 1020040013681A KR 20040013681 A KR20040013681 A KR 20040013681A KR 20050087956 A KR20050087956 A KR 20050087956A
Authority
KR
South Korea
Prior art keywords
context
frequency
bitplane
audio
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.)
Ceased
Application number
KR1020040013681A
Other languages
English (en)
Korean (ko)
Inventor
김중회
미아오레이
이시화
김상욱
오은미
김도형
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020040013681A priority Critical patent/KR20050087956A/ko
Priority to EP05251075A priority patent/EP1569203A3/en
Priority to US11/066,431 priority patent/US7617110B2/en
Priority to CN200510071781A priority patent/CN100588124C/zh
Priority to JP2005052508A priority patent/JP5384780B2/ja
Publication of KR20050087956A publication Critical patent/KR20050087956A/ko
Priority to JP2012173392A priority patent/JP2012226375A/ja
Ceased 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
    • G10L19/0017—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

Landscapes

  • 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)
KR1020040013681A 2004-02-27 2004-02-27 무손실 오디오 부호화/복호화 방법 및 장치 Ceased KR20050087956A (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020040013681A KR20050087956A (ko) 2004-02-27 2004-02-27 무손실 오디오 부호화/복호화 방법 및 장치
EP05251075A EP1569203A3 (en) 2004-02-27 2005-02-24 Lossless audio decoding/encoding method and apparatus
US11/066,431 US7617110B2 (en) 2004-02-27 2005-02-28 Lossless audio decoding/encoding method, medium, and apparatus
CN200510071781A CN100588124C (zh) 2004-02-27 2005-02-28 无损音频解码/编码方法和装置
JP2005052508A JP5384780B2 (ja) 2004-02-27 2005-02-28 無損失オーディオ符号化方法、無損失オーディオ符号化装置、無損失オーディオ復号化方法、無損失オーディオ復号化装置及び記録媒体
JP2012173392A JP2012226375A (ja) 2004-02-27 2012-08-03 無損失オーディオ復号化方法及び無損失オーディオ復号化装置

Applications Claiming Priority (1)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020070019155A Division KR100947065B1 (ko) 2007-02-26 2007-02-26 무손실 오디오 부호화/복호화 방법 및 장치

Publications (1)

Publication Number Publication Date
KR20050087956A true KR20050087956A (ko) 2005-09-01

Family

ID=34747967

Family Applications (1)

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

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=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100561869B1 (ko) * 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
KR101456641B1 (ko) * 2008-07-11 2014-11-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 인코더 및 오디오 디코더
CN110233626A (zh) * 2019-07-05 2019-09-13 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

Families Citing this family (30)

* 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
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
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
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

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100561869B1 (ko) * 2004-03-10 2006-03-17 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치
US11670310B2 (en) 2008-07-11 2023-06-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder with different spectral resolutions and transform lengths and upsampling and/or downsampling
US8930202B2 (en) 2008-07-11 2015-01-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder for coding contexts with different frequency resolutions and transform lengths
US10242681B2 (en) 2008-07-11 2019-03-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and audio decoder using coding contexts with different frequency resolutions and transform lengths
US10685659B2 (en) 2008-07-11 2020-06-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder for coding contexts with different frequency resolutions and transform lengths
KR101456641B1 (ko) * 2008-07-11 2014-11-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 인코더 및 오디오 디코더
US11942101B2 (en) 2008-07-11 2024-03-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder with arithmetic coding and coding context
US12039985B2 (en) 2008-07-11 2024-07-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder with coding context and coefficient selection
US12198707B2 (en) 2008-07-11 2025-01-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder with different spectral resolutions and transform lengths and upsampling and/or downsampling
US12198708B2 (en) 2008-07-11 2025-01-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder with different spectral resolutions and transform lengths and upsampling and/or downsampling
US12205603B2 (en) 2008-07-11 2025-01-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder with different spectral resolutions and transform lengths and upsampling and/or downsampling
US12230285B2 (en) 2008-07-11 2025-02-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio entropy encoder/decoder with different spectral resolutions and transform lengths and upsampling and/or downsampling
CN110233626A (zh) * 2019-07-05 2019-09-13 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

Also Published As

Publication number Publication date
US20050192799A1 (en) 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
CN100588124C (zh) 2010-02-03
JP2012226375A (ja) 2012-11-15

Similar Documents

Publication Publication Date Title
KR100561869B1 (ko) 무손실 오디오 부호화/복호화 방법 및 장치
KR20050087956A (ko) 무손실 오디오 부호화/복호화 방법 및 장치
KR100818268B1 (ko) 오디오 데이터 부호화 및 복호화 장치와 방법
KR101220621B1 (ko) 부호화 장치 및 부호화 방법
KR101238239B1 (ko) 인코더
JP2005242363A5 (https=)
JPH1020897A (ja) 適応変換符号化方式および適応変換復号方式
KR101381602B1 (ko) 계층적 부호화 및 복호화 방법 및 장치
KR100923301B1 (ko) 대역 확장 기법을 이용한 오디오 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
KR100947065B1 (ko) 무손실 오디오 부호화/복호화 방법 및 장치
KR100903109B1 (ko) 오디오 신호의 무손실 부호화/복호화 장치 및 그 방법
JP3361790B2 (ja) オーディオ信号符号化方法、オーディオ信号復号化方法およびオーディオ信号符号化／復号化装置と前記方法を実施するプログラムを記録した記録媒体
JP7318645B2 (ja) 符号化装置および方法、復号装置および方法、並びにプログラム
JP2008268792A (ja) オーディオ信号符号化装置およびそのビットレート変換装置
JP2001339313A (ja) Ｐｃｍ信号符号化装置及び復号化装置
KR20100114484A (ko) 오디오 신호 처리 방법 및 장치
HK1152790B (en) Entropy coding by adapting coding between level and run-length/level modes
HK1154302B (en) Entropy coding by adapting coding between level and run-length/level modes
HK1152790A1 (en) Entropy coding by adapting coding between level and run-length/level modes

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20040227

PA0201 Request for examination
PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20051031

Patent event code: PE09021S01D

AMND Amendment
E90F Notification of reason for final refusal
PE0902 Notice of grounds for rejection

Comment text: Final Notice of Reason for Refusal

Patent event date: 20060808

Patent event code: PE09021S02D

AMND Amendment
E801 Decision on dismissal of amendment
PE0801 Dismissal of amendment

Patent event code: PE08012E01D

Comment text: Decision on Dismissal of Amendment

Patent event date: 20061226

Patent event code: PE08011R01I

Comment text: Amendment to Specification, etc.

Patent event date: 20060821

Patent event code: PE08011R01I

Comment text: Amendment to Specification, etc.

Patent event date: 20060630

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20061227

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20060808

Comment text: Final Notice of Reason for Refusal

Patent event code: PE06011S02I

Patent event date: 20051031

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

J201 Request for trial against refusal decision
PJ0201 Trial against decision of rejection

Patent event date: 20070126

Comment text: Request for Trial against Decision on Refusal

Patent event code: PJ02012R01D

Patent event date: 20061227

Comment text: Decision to Refuse Application

Patent event code: PJ02011S01I

Appeal kind category: Appeal against decision to decline refusal

Decision date: 20071226

Appeal identifier: 2007101001081

Request date: 20070126

A107 Divisional application of patent
AMND Amendment
PA0107 Divisional application

Comment text: Divisional Application of Patent

Patent event date: 20070226

Patent event code: PA01071R01D

PB0901 Examination by re-examination before a trial

Comment text: Amendment to Specification, etc.

Patent event date: 20070226

Patent event code: PB09011R02I

Comment text: Request for Trial against Decision on Refusal

Patent event date: 20070126

Patent event code: PB09011R01I

Comment text: Amendment to Specification, etc.

Patent event date: 20060821

Patent event code: PB09011R02I

Comment text: Amendment to Specification, etc.

Patent event date: 20060630

Patent event code: PB09011R02I

E801 Decision on dismissal of amendment
PE0801 Dismissal of amendment

Patent event code: PE08012E01D

Comment text: Decision on Dismissal of Amendment

Patent event date: 20070402

Patent event code: PE08011R01I

Comment text: Amendment to Specification, etc.

Patent event date: 20070226

Patent event code: PE08011R01I

Comment text: Amendment to Specification, etc.

Patent event date: 20060821

Patent event code: PE08011R01I

Comment text: Amendment to Specification, etc.

Patent event date: 20060630

B601 Maintenance of original decision after re-examination before a trial
PB0601 Maintenance of original decision after re-examination before a trial
J301 Trial decision

Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20070126

Effective date: 20071226

PJ1301 Trial decision

Patent event code: PJ13011S01D

Patent event date: 20071226

Comment text: Trial Decision on Objection to Decision on Refusal

Appeal kind category: Appeal against decision to decline refusal

Request date: 20070126

Decision date: 20071226

Appeal identifier: 2007101001081