KR100561869B1 - 무손실 오디오 부호화/복호화 방법 및 장치 - Google Patents

무손실 오디오 부호화/복호화 방법 및 장치 Download PDF

Info

Publication number
KR100561869B1
KR100561869B1 KR1020040050479A KR20040050479A KR100561869B1 KR 100561869 B1 KR100561869 B1 KR 100561869B1 KR 1020040050479 A KR1020040050479 A KR 1020040050479A KR 20040050479 A KR20040050479 A KR 20040050479A KR 100561869 B1 KR100561869 B1 KR 100561869B1
Authority
KR
South Korea
Prior art keywords
frequency
context
binary sample
audio
importance
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
KR1020040050479A
Other languages
English (en)
Korean (ko)
Other versions
KR20050090941A (ko
Inventor
오은미
김중회
미아오레이
이시화
김상욱
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
Priority to KR1020040050479A priority Critical patent/KR100561869B1/ko
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to DE602005019643T priority patent/DE602005019643D1/de
Priority to JP2005067265A priority patent/JP4744899B2/ja
Priority to ES05251452T priority patent/ES2339257T3/es
Priority to CN2005100741885A priority patent/CN1681213B/zh
Priority to EP05251452A priority patent/EP1575032B1/en
Priority to US11/076,284 priority patent/US7660720B2/en
Publication of KR20050090941A publication Critical patent/KR20050090941A/ko
Application granted granted Critical
Publication of KR100561869B1 publication Critical patent/KR100561869B1/ko
Priority to JP2010230776A priority patent/JP5372886B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error

Landscapes

  • 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)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020040050479A 2004-03-10 2004-06-30 무손실 오디오 부호화/복호화 방법 및 장치 Expired - Fee Related KR100561869B1 (ko)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1020040050479A KR100561869B1 (ko) 2004-03-10 2004-06-30 무손실 오디오 부호화/복호화 방법 및 장치
JP2005067265A JP4744899B2 (ja) 2004-03-10 2005-03-10 無損失オーディオ符号化／復号化方法および装置
ES05251452T ES2339257T3 (es) 2004-03-10 2005-03-10 Procedimiento y aparato para la codificacion/decodificacion de audio sin perdida.
CN2005100741885A CN1681213B (zh) 2004-03-10 2005-03-10 无损音频编码/解码方法和装置
DE602005019643T DE602005019643D1 (de) 2004-03-10 2005-03-10 Verfahren und Vorrichtung zur verlustfreien Audiokodierung und -dekodierung
EP05251452A EP1575032B1 (en) 2004-03-10 2005-03-10 Lossless audio coding/decoding method and apparatus
US11/076,284 US7660720B2 (en) 2004-03-10 2005-03-10 Lossless audio coding/decoding method and apparatus
JP2010230776A JP5372886B2 (ja) 2004-03-10 2010-10-13 無損失オーディオ復号化方法および記録媒体

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US55135904P 2004-03-10 2004-03-10
US60/551,359 2004-03-10
KR1020040050479A KR100561869B1 (ko) 2004-03-10 2004-06-30 무손실 오디오 부호화/복호화 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20050090941A KR20050090941A (ko) 2005-09-14
KR100561869B1 true KR100561869B1 (ko) 2006-03-17

Family

ID=34829555

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020040050479A Expired - Fee Related KR100561869B1 (ko) 2004-03-10 2004-06-30 무손실 오디오 부호화/복호화 방법 및 장치

Country Status (7)

Country Link
US (1) US7660720B2 (https=)
EP (1) EP1575032B1 (https=)
JP (2) JP4744899B2 (https=)
KR (1) KR100561869B1 (https=)
CN (1) CN1681213B (https=)
DE (1) DE602005019643D1 (https=)
ES (1) ES2339257T3 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8487789B2 (en) 2010-07-21 2013-07-16 Samsung Electronics Co., Ltd. Method and apparatus for lossless encoding and decoding based on context

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070037945A (ko) * 2005-10-04 2007-04-09 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
KR101237413B1 (ko) * 2005-12-07 2013-02-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법, 오디오 신호의부호화 및 복호화 장치
JP4732203B2 (ja) * 2006-03-17 2011-07-27 キヤノン株式会社 画像符号化装置及び復号装置及びそれらの制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
EP1883067A1 (en) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
US20080071550A1 (en) * 2006-09-18 2008-03-20 Samsung Electronics Co., Ltd. Method and apparatus to encode and decode audio signal by using bandwidth extension technique
KR101346358B1 (ko) 2006-09-18 2013-12-31 삼성전자주식회사 대역폭 확장 기법을 이용한 오디오 신호의 부호화/복호화방법 및 장치
EP2080270A4 (en) * 2006-10-06 2010-11-17 Agency Science Tech & Res ENCODING METHOD, DECODING METHOD, ENCODER, DECODER, AND COMPUTER PROGRAM PRODUCTS
KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
US7991622B2 (en) * 2007-03-20 2011-08-02 Microsoft Corporation Audio compression and decompression using integer-reversible modulated lapped transforms
US8086465B2 (en) * 2007-03-20 2011-12-27 Microsoft Corporation Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms
KR100889750B1 (ko) * 2007-05-17 2009-03-24 한국전자통신연구원 오디오 신호의 무손실 부호화/복호화 장치 및 그 방법
WO2009027606A1 (fr) * 2007-08-24 2009-03-05 France Telecom Codage/decodage par plans de symboles, avec calcul dynamique de tables de probabilites
KR101505831B1 (ko) * 2007-10-30 2015-03-26 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
EP3937167B1 (en) 2008-07-11 2023-05-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and audio decoder
WO2010032934A2 (ko) * 2008-09-16 2010-03-25 에스케이텔레콤 주식회사 Ｂ-변환을 위한 부호화 방법 및 장치와 그를 위한 부호화 데이터
US8666752B2 (en) * 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
KR20100136890A (ko) 2009-06-19 2010-12-29 삼성전자주식회사 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법
FR2947944A1 (fr) * 2009-07-07 2011-01-14 France Telecom Codage/decodage perfectionne de signaux audionumeriques
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
US8374858B2 (en) * 2010-03-09 2013-02-12 Dts, Inc. Scalable lossless audio codec and authoring tool
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
CN102074243B (zh) * 2010-12-28 2012-09-05 武汉大学 一种基于比特平面的感知音频分级编码系统及方法
GB2495918B (en) * 2011-10-24 2015-11-04 Malcolm Law Lossless buried data
CN103248367B (zh) * 2012-02-03 2016-03-16 展讯通信（上海）有限公司 码流数据的编码、解码方法和装置
US9799339B2 (en) 2012-05-29 2017-10-24 Nokia Technologies Oy Stereo audio signal encoder
EP3660843B1 (en) 2013-09-13 2022-11-09 Samsung Electronics Co., Ltd. Lossless coding method
WO2015037961A1 (ko) 2013-09-13 2015-03-19 삼성전자 주식회사 에너지 무손실 부호화방법 및 장치, 신호 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 신호 복호화방법 및 장치
CN103595503B (zh) * 2013-10-25 2016-08-17 福建升腾资讯有限公司 一种基于串口装置的频率编解码通讯系统
CN106409300B (zh) * 2014-03-19 2019-12-24 华为技术有限公司 用于信号处理的方法和装置
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
CN105187071B (zh) * 2015-09-29 2018-04-06 东北大学 一种管道毫秒级在线数据的复合压缩/解压缩方法
EP4099573B1 (en) * 2017-06-22 2023-10-11 Nippon Telegraph And Telephone Corporation Encoder, decoder, encoding method, decoding method and program
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
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
EP4443879A1 (en) * 2023-03-24 2024-10-09 Samsung Electronics Co., Ltd. Image processing device and operating method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990041073A (ko) * 1997-11-20 1999-06-15 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법 및 장치
US6121904A (en) 1998-03-12 2000-09-19 Liquid Audio, Inc. Lossless data compression with low complexity
KR20050066142A (ko) * 2003-12-26 2005-06-30 한국전자통신연구원 문맥기반 적응 가변길이 복호화 장치 및 그 방법
KR20050087956A (ko) * 2004-02-27 2005-09-01 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6778965B1 (en) * 1996-10-10 2004-08-17 Koninklijke Philips Electronics N.V. Data compression and expansion of an audio signal
CN1179348C (zh) * 1996-11-07 2004-12-08 皇家菲利浦电子有限公司 比特流信号的数据处理
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
IL122714A (en) * 1997-04-02 2011-06-30 Samsung Electronics Co Ltd Digital data coding/decoding method and apparatus
US6314136B1 (en) * 1997-08-01 2001-11-06 Creative Technology Ltd. Method for performing wavelet-based image compaction losslessly and low bit precision requirements
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
US6757659B1 (en) * 1998-11-16 2004-06-29 Victor Company Of Japan, Ltd. Audio signal processing apparatus
US6223162B1 (en) * 1998-12-14 2001-04-24 Microsoft Corporation Multi-level run length coding for frequency-domain audio coding
US6400289B1 (en) * 2000-03-01 2002-06-04 Hughes Electronics Corporation System and method for performing lossless data compression and decompression
FI109393B (fi) * 2000-07-14 2002-07-15 Nokia Corp Menetelmä mediavirran enkoodaamiseksi skaalautuvasti, skaalautuva enkooderi ja päätelaite
WO2002037688A1 (en) * 2000-11-03 2002-05-10 Koninklijke Philips Electronics N.V. Parametric coding of audio signals
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
US6735254B2 (en) * 2001-06-29 2004-05-11 Qualcomm, Inc. DCT compression using Golomb-Rice coding
US6650784B2 (en) * 2001-07-02 2003-11-18 Qualcomm, Incorporated Lossless intraframe encoding using Golomb-Rice
US6856701B2 (en) 2001-09-14 2005-02-15 Nokia Corporation Method and system for context-based adaptive binary arithmetic coding
WO2003077566A1 (en) * 2002-03-07 2003-09-18 Aware, Inc. Interleaved sign bit coding
KR100908114B1 (ko) * 2002-03-09 2009-07-16 삼성전자주식회사 스케일러블 무손실 오디오 부호화/복호화 장치 및 그 방법
US7110941B2 (en) 2002-03-28 2006-09-19 Microsoft Corporation System and method for embedded audio coding with implicit auditory masking
US7536305B2 (en) * 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
US7424434B2 (en) * 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
US7328150B2 (en) * 2002-09-04 2008-02-05 Microsoft Corporation Innovations in pure lossless audio compression
KR101015497B1 (ko) * 2003-03-22 2011-02-16 삼성전자주식회사 디지털 데이터의 부호화/복호화 방법 및 장치
JP4849466B2 (ja) * 2003-10-10 2012-01-11 エージェンシー フォー サイエンス， テクノロジー アンド リサーチ デジタル信号をスケーラブルビットストリームにエンコードする方法、及びスケーラブルビットストリームをデコードする方法
JP2005173201A (ja) * 2003-12-11 2005-06-30 Canon Inc オーディオ復号装置、オーディオ復号方法、オーディオ復号プログラム、及びオーディオ復号プログラムを記録したコンピュータ可読記録媒体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990041073A (ko) * 1997-11-20 1999-06-15 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법 및 장치
US6121904A (en) 1998-03-12 2000-09-19 Liquid Audio, Inc. Lossless data compression with low complexity
KR20050066142A (ko) * 2003-12-26 2005-06-30 한국전자통신연구원 문맥기반 적응 가변길이 복호화 장치 및 그 방법
KR20050087956A (ko) * 2004-02-27 2005-09-01 삼성전자주식회사 무손실 오디오 부호화/복호화 방법 및 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8487789B2 (en) 2010-07-21 2013-07-16 Samsung Electronics Co., Ltd. Method and apparatus for lossless encoding and decoding based on context

Also Published As

Publication number Publication date
JP5372886B2 (ja) 2013-12-18
EP1575032A3 (en) 2006-09-27
EP1575032B1 (en) 2010-03-03
CN1681213A (zh) 2005-10-12
US7660720B2 (en) 2010-02-09
EP1575032A2 (en) 2005-09-14
DE602005019643D1 (de) 2010-04-15
CN1681213B (zh) 2010-05-26
KR20050090941A (ko) 2005-09-14
JP4744899B2 (ja) 2011-08-10
US20050203731A1 (en) 2005-09-15
ES2339257T3 (es) 2010-05-18
JP2005260969A (ja) 2005-09-22
JP2011048388A (ja) 2011-03-10

Similar Documents

Publication Publication Date Title
KR100561869B1 (ko) 무손실 오디오 부호화/복호화 방법 및 장치
JP5384780B2 (ja) 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
AU2006332046B2 (en) Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
JP4506039B2 (ja) 符号化装置及び方法、復号装置及び方法、並びに符号化プログラム及び復号プログラム
KR101238239B1 (ko) 인코더
JP2005260969A5 (https=)
JP2005242363A5 (https=)
US20070078646A1 (en) Method and apparatus to encode/decode audio signal
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
KR100947065B1 (ko) 무손실 오디오 부호화/복호화 방법 및 장치
AU2011205144B2 (en) Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
JP3617804B2 (ja) Ｐｃｍ信号符号化装置及び復号化装置
JP2001109497A (ja) オーディオ信号符号化装置およびオーディオ信号符号化方法
AU2011221401B2 (en) Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
JP2001298367A (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
HK1117655B (en) Method for encoding input signals and encoder/decoder

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

FPAY Annual fee payment

Payment date: 20130227

Year of fee payment: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

FPAY Annual fee payment

Payment date: 20140227

Year of fee payment: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

FPAY Annual fee payment

Payment date: 20150226

Year of fee payment: 10

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

FPAY Annual fee payment

Payment date: 20160226

Year of fee payment: 11

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 11

FPAY Annual fee payment

Payment date: 20170224

Year of fee payment: 12

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 12

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20180311

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20180311