ES2339257T3 - Procedimiento y aparato para la codificacion/decodificacion de audio sin perdida. - Google Patents
Procedimiento y aparato para la codificacion/decodificacion de audio sin perdida. Download PDFInfo
- Publication number
- ES2339257T3 ES2339257T3 ES05251452T ES05251452T ES2339257T3 ES 2339257 T3 ES2339257 T3 ES 2339257T3 ES 05251452 T ES05251452 T ES 05251452T ES 05251452 T ES05251452 T ES 05251452T ES 2339257 T3 ES2339257 T3 ES 2339257T3
- Authority
- ES
- Spain
- Prior art keywords
- frequency
- binary
- quad
- sample
- context
- 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
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
- G10L19/0017—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)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55135904P | 2004-03-10 | 2004-03-10 | |
| US551359P | 2004-03-10 | ||
| KR10-2004-0050479 | 2004-06-30 | ||
| KR1020040050479A KR100561869B1 (ko) | 2004-03-10 | 2004-06-30 | 무손실 오디오 부호화/복호화 방법 및 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2339257T3 true ES2339257T3 (es) | 2010-05-18 |
Family
ID=34829555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES05251452T Expired - Lifetime ES2339257T3 (es) | 2004-03-10 | 2005-03-10 | Procedimiento y aparato para la codificacion/decodificacion de audio sin perdida. |
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=) |
Families Citing this family (38)
| 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 |
| KR101676477B1 (ko) | 2010-07-21 | 2016-11-15 | 삼성전자주식회사 | 컨텍스트 기반의 무손실 부호화 장치 및 방법, 그리고 복호화 장치 및 방법 |
| 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 |
Family Cites Families (28)
| 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 |
| KR100335609B1 (ko) * | 1997-11-20 | 2002-10-04 | 삼성전자 주식회사 | 비트율조절이가능한오디오부호화/복호화방법및장치 |
| KR100335611B1 (ko) * | 1997-11-20 | 2002-10-09 | 삼성전자 주식회사 | 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치 |
| US6121904A (en) | 1998-03-12 | 2000-09-19 | Liquid Audio, Inc. | Lossless data compression with low complexity |
| 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 |
| KR100576548B1 (ko) * | 2003-12-26 | 2006-05-03 | 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 |
-
2004
- 2004-06-30 KR KR1020040050479A patent/KR100561869B1/ko not_active Expired - Fee Related
-
2005
- 2005-03-10 ES ES05251452T patent/ES2339257T3/es not_active Expired - Lifetime
- 2005-03-10 EP EP05251452A patent/EP1575032B1/en not_active Expired - Lifetime
- 2005-03-10 DE DE602005019643T patent/DE602005019643D1/de not_active Expired - Lifetime
- 2005-03-10 CN CN2005100741885A patent/CN1681213B/zh not_active Expired - Fee Related
- 2005-03-10 JP JP2005067265A patent/JP4744899B2/ja not_active Expired - Fee Related
- 2005-03-10 US US11/076,284 patent/US7660720B2/en not_active Expired - Fee Related
-
2010
- 2010-10-13 JP JP2010230776A patent/JP5372886B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100561869B1 (ko) | 2006-03-17 |
| 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 |
| JP2005260969A (ja) | 2005-09-22 |
| JP2011048388A (ja) | 2011-03-10 |
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