PT2016583E - Método e dispositivo para codificação desprovida de perdas de um sinal de origem, utilizando um fluxo de dados codificado com perdas e um fluxo de dados de extensão desprovido de perdas - Google Patents
Método e dispositivo para codificação desprovida de perdas de um sinal de origem, utilizando um fluxo de dados codificado com perdas e um fluxo de dados de extensão desprovido de perdas Download PDFInfo
- Publication number
- PT2016583E PT2016583E PT07728246T PT07728246T PT2016583E PT 2016583 E PT2016583 E PT 2016583E PT 07728246 T PT07728246 T PT 07728246T PT 07728246 T PT07728246 T PT 07728246T PT 2016583 E PT2016583 E PT 2016583E
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- PT
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- Prior art keywords
- loss
- data stream
- signal
- lossless
- encoded
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 34
- 230000003595 spectral effect Effects 0.000 claims description 59
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- 238000013139 quantization Methods 0.000 claims description 14
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- 238000004364 calculation method Methods 0.000 claims description 6
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- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000005236 sound signal Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
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- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- MOXZPMYMMBOUJY-UHFFFAOYSA-N n-[2-(2-aminoethylsulfanyl)ethyl]-5-(dimethylamino)naphthalene-1-sulfonamide Chemical compound C1=CC=C2C(N(C)C)=CC=CC2=C1S(=O)(=O)NCCSCCN MOXZPMYMMBOUJY-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
-
- 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
-
- 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
-
- 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
- G10L19/04—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 predictive techniques
-
- 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06113596A EP1852849A1 (en) | 2006-05-05 | 2006-05-05 | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT2016583E true PT2016583E (pt) | 2012-09-25 |
Family
ID=36589352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT07728246T PT2016583E (pt) | 2006-05-05 | 2007-04-18 | Método e dispositivo para codificação desprovida de perdas de um sinal de origem, utilizando um fluxo de dados codificado com perdas e um fluxo de dados de extensão desprovido de perdas |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8326618B2 (https=) |
| EP (3) | EP1852849A1 (https=) |
| JP (1) | JP5215994B2 (https=) |
| KR (1) | KR101473016B1 (https=) |
| CN (1) | CN101432802B (https=) |
| BR (1) | BRPI0711272A2 (https=) |
| PT (1) | PT2016583E (https=) |
| WO (1) | WO2007128662A1 (https=) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7620673B2 (en) * | 2005-09-19 | 2009-11-17 | The United States Of America As Represented By The Secretary Of The Air Force | Complimentary discrete fourier transform processor |
| US8392176B2 (en) | 2006-04-10 | 2013-03-05 | Qualcomm Incorporated | Processing of excitation in audio coding and decoding |
| EP1881485A1 (en) * | 2006-07-18 | 2008-01-23 | Deutsche Thomson-Brandt Gmbh | Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal |
| US8428957B2 (en) | 2007-08-24 | 2013-04-23 | Qualcomm Incorporated | Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands |
| US20090198500A1 (en) * | 2007-08-24 | 2009-08-06 | Qualcomm Incorporated | Temporal masking in audio coding based on spectral dynamics in frequency sub-bands |
| WO2009081315A1 (en) * | 2007-12-18 | 2009-07-02 | Koninklijke Philips Electronics N.V. | Encoding and decoding audio or speech |
| BRPI0910511B1 (pt) * | 2008-07-11 | 2021-06-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Aparelho e método para decodificar e codificar um sinal de áudio |
| CA2730200C (en) | 2008-07-11 | 2016-09-27 | Max Neuendorf | An apparatus and a method for generating bandwidth extension output data |
| HUE072048T2 (hu) | 2010-11-22 | 2025-10-28 | Ntt Docomo Inc | Audiokódoló eszköz és eljárás |
| RU2562432C2 (ru) | 2010-11-26 | 2015-09-10 | Нек Корпорейшн | Устройство видеокодирования, устройство видеодекодирования, способ видеокодирования, способ видеодекодирования и программа |
| CN102446509B (zh) * | 2011-11-22 | 2014-04-09 | 中兴通讯股份有限公司 | 增强抗丢包的音频编解码方法及系统 |
| GB201210373D0 (en) | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
| CN103544957B (zh) * | 2012-07-13 | 2017-04-12 | 华为技术有限公司 | 音频信号的比特分配的方法和装置 |
| EP2830055A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Context-based entropy coding of sample values of a spectral envelope |
| EP3660843B1 (en) | 2013-09-13 | 2022-11-09 | Samsung Electronics Co., Ltd. | Lossless coding method |
| US9779739B2 (en) * | 2014-03-20 | 2017-10-03 | Dts, Inc. | Residual encoding in an object-based audio system |
| JP2017520011A (ja) * | 2014-04-17 | 2017-07-20 | アウディマックス・エルエルシー | 情報損失を減少させた電子通信のためのシステム、方法、および装置 |
| WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| GB2624686B (en) * | 2022-11-25 | 2025-07-23 | Lenbrook Industries Ltd | Improvements to audio coding |
| CN118522296A (zh) * | 2023-02-17 | 2024-08-20 | 华为技术有限公司 | 有损编解码器和无损编解码器之间的切换方法和装置 |
| US20250078845A1 (en) * | 2023-08-29 | 2025-03-06 | Samsung Electronics Co., Ltd. | Lossless audio coding for multichannel hierarchical reconstruction |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0756386B1 (en) | 1995-07-27 | 2003-09-17 | Victor Company Of Japan, Limited | Method and apparatus for coding a digital, acoustic signal |
| US6154484A (en) * | 1995-09-06 | 2000-11-28 | Solana Technology Development Corporation | Method and apparatus for embedding auxiliary data in a primary data signal using frequency and time domain processing |
| JPH10105200A (ja) | 1996-09-26 | 1998-04-24 | Toshiba Corp | 音声符号化／復号化方法 |
| DE19742201C1 (de) * | 1997-09-24 | 1999-02-04 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren von Audiosignalen |
| CN100350749C (zh) * | 1998-04-09 | 2007-11-21 | 皇家菲利浦电子有限公司 | 通过传输介质发送/接收数字信息信号的发送/接收装置和方法 |
| US6226616B1 (en) * | 1999-06-21 | 2001-05-01 | Digital Theater Systems, Inc. | Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| SE0004163D0 (sv) * | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| KR100908114B1 (ko) * | 2002-03-09 | 2009-07-16 | 삼성전자주식회사 | 스케일러블 무손실 오디오 부호화/복호화 장치 및 그 방법 |
| JP2003280694A (ja) * | 2002-03-26 | 2003-10-02 | Nec Corp | 階層ロスレス符号化復号方法、階層ロスレス符号化方法、階層ロスレス復号方法及びその装置並びにプログラム |
| DE10217297A1 (de) * | 2002-04-18 | 2003-11-06 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten |
| US7275036B2 (en) | 2002-04-18 | 2007-09-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data |
| US7536305B2 (en) * | 2002-09-04 | 2009-05-19 | Microsoft Corporation | Mixed lossless audio compression |
| US7328150B2 (en) * | 2002-09-04 | 2008-02-05 | Microsoft Corporation | Innovations in pure lossless audio compression |
| JP4293005B2 (ja) | 2004-02-04 | 2009-07-08 | 日本電気株式会社 | 音声音楽信号の符号化装置および復号装置 |
| KR101237559B1 (ko) | 2004-03-25 | 2013-02-26 | 디티에스, 인코포레이티드 | 스케일러블 무손실 비트스트림의 인코딩 방법 |
| US7392195B2 (en) * | 2004-03-25 | 2008-06-24 | Dts, Inc. | Lossless multi-channel audio codec |
| US8086465B2 (en) * | 2007-03-20 | 2011-12-27 | Microsoft Corporation | Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms |
-
2006
- 2006-05-05 EP EP06113596A patent/EP1852849A1/en not_active Withdrawn
-
2007
- 2007-04-18 US US12/227,045 patent/US8326618B2/en not_active Expired - Fee Related
- 2007-04-18 PT PT07728246T patent/PT2016583E/pt unknown
- 2007-04-18 BR BRPI0711272-6A patent/BRPI0711272A2/pt not_active IP Right Cessation
- 2007-04-18 EP EP07728246A patent/EP2016583B1/en not_active Not-in-force
- 2007-04-18 JP JP2009508302A patent/JP5215994B2/ja not_active Expired - Fee Related
- 2007-04-18 EP EP12154030A patent/EP2453437A3/en not_active Withdrawn
- 2007-04-18 CN CN200780015604.1A patent/CN101432802B/zh not_active Expired - Fee Related
- 2007-04-18 WO PCT/EP2007/053784 patent/WO2007128662A1/en not_active Ceased
-
2008
- 2008-11-04 KR KR1020087027070A patent/KR101473016B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0711272A2 (pt) | 2011-11-08 |
| JP2009536364A (ja) | 2009-10-08 |
| CN101432802B (zh) | 2015-04-01 |
| EP2453437A3 (en) | 2012-07-18 |
| EP2016583A1 (en) | 2009-01-21 |
| JP5215994B2 (ja) | 2013-06-19 |
| KR101473016B1 (ko) | 2014-12-15 |
| WO2007128662A1 (en) | 2007-11-15 |
| EP2453437A2 (en) | 2012-05-16 |
| EP1852849A1 (en) | 2007-11-07 |
| CN101432802A (zh) | 2009-05-13 |
| KR20090007396A (ko) | 2009-01-16 |
| US8326618B2 (en) | 2012-12-04 |
| US20090177478A1 (en) | 2009-07-09 |
| EP2016583B1 (en) | 2012-08-15 |
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