BRPI0714835A2 - mÉtodo e aparelhagem para codificaÇço sem perdas de um sinal de alimentaÇço, utilizando-se um fluxo de dados codificados sujeito a extravio e um fluxo de dados estendido sem perdas - Google Patents
mÉtodo e aparelhagem para codificaÇço sem perdas de um sinal de alimentaÇço, utilizando-se um fluxo de dados codificados sujeito a extravio e um fluxo de dados estendido sem perdas Download PDFInfo
- Publication number
- BRPI0714835A2 BRPI0714835A2 BRPI0714835-6A BRPI0714835A BRPI0714835A2 BR PI0714835 A2 BRPI0714835 A2 BR PI0714835A2 BR PI0714835 A BRPI0714835 A BR PI0714835A BR PI0714835 A2 BRPI0714835 A2 BR PI0714835A2
- Authority
- BR
- Brazil
- Prior art keywords
- lossless
- data stream
- signal
- quantization
- encoded
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000013139 quantization Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 13
- 230000002441 reversible effect Effects 0.000 claims description 10
- 230000003111 delayed effect Effects 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 7
- 230000005236 sound signal Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 15
- 230000003595 spectral effect Effects 0.000 description 15
- 230000000875 corresponding effect Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- G10L19/04—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
-
- 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
- G10L19/0017—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
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06117720A EP1883067A1 (en) | 2006-07-24 | 2006-07-24 | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| EP06117720.0 | 2006-07-24 | ||
| PCT/EP2007/057210 WO2008012211A1 (en) | 2006-07-24 | 2007-07-12 | 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 |
|---|---|
| BRPI0714835A2 true BRPI0714835A2 (pt) | 2013-03-12 |
Family
ID=37203831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0714835-6A BRPI0714835A2 (pt) | 2006-07-24 | 2007-07-12 | mÉtodo e aparelhagem para codificaÇço sem perdas de um sinal de alimentaÇço, utilizando-se um fluxo de dados codificados sujeito a extravio e um fluxo de dados estendido sem perdas |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20090306993A1 (https=) |
| EP (2) | EP1883067A1 (https=) |
| JP (1) | JP5123303B2 (https=) |
| KR (1) | KR101397736B1 (https=) |
| CN (1) | CN101490748B (https=) |
| AT (1) | ATE470219T1 (https=) |
| BR (1) | BRPI0714835A2 (https=) |
| DE (1) | DE602007006957D1 (https=) |
| WO (1) | WO2008012211A1 (https=) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE102006051673A1 (de) * | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
| JP4977157B2 (ja) * | 2009-03-06 | 2012-07-18 | 株式会社エヌ・ティ・ティ・ドコモ | 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム |
| 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 |
| CN101964188B (zh) * | 2010-04-09 | 2012-09-05 | 华为技术有限公司 | 语音信号编码、解码方法、装置及编解码系统 |
| FR2961937A1 (fr) * | 2010-06-29 | 2011-12-30 | France Telecom | Codage/decodage predictif lineaire adaptatif |
| PT2700234T (pt) * | 2011-04-22 | 2019-07-23 | Dolby Int Ab | Método e dispositivo para codificação com compressão com perda de dados |
| GB2490879B (en) * | 2011-05-12 | 2018-12-26 | Qualcomm Technologies Int Ltd | Hybrid coded audio data streaming apparatus and method |
| EP2805493A1 (en) * | 2012-01-17 | 2014-11-26 | Futurewei Technologies, Inc. | In-loop filtering for lossless coding mode in high efficiency video coding |
| GB201210373D0 (en) | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
| US9711150B2 (en) | 2012-08-22 | 2017-07-18 | Electronics And Telecommunications Research Institute | Audio encoding apparatus and method, and audio decoding apparatus and method |
| MX372748B (es) * | 2013-01-29 | 2020-05-26 | Fraunhofer Ges Forschung | Decodificador para generar una señal de audio mejorada en frecuencia, metodo de decodificacion, codificador para generar una señal codificada y metodo de codificacion utilizando informacion secundaria de seleccion compacta. |
| EP2956935B1 (en) | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| 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 |
| US10438597B2 (en) | 2017-08-31 | 2019-10-08 | Dolby International Ab | Decoder-provided time domain aliasing cancellation during lossy/lossless transitions |
| CN114724567B (zh) * | 2020-12-18 | 2025-04-15 | 同响科技股份有限公司 | 固定带宽音信数据的有损或无损压缩的动态切换方法 |
| US12574137B2 (en) * | 2022-10-12 | 2026-03-10 | Ciena Corporation | Method and apparatus for performing spread spectrum optical spectroscopy |
| US12492984B2 (en) | 2022-10-12 | 2025-12-09 | Ciena Corporation | Method and apparatus for coherent spread spectrum optical spectroscopy |
Family Cites Families (15)
| 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 |
| IL138230A (en) * | 1999-01-07 | 2005-06-19 | Koninkl Philips Electronics Nv | Efficient coding of side information in a lossless encoder |
| 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 |
| US6675148B2 (en) * | 2001-01-05 | 2004-01-06 | Digital Voice Systems, Inc. | Lossless audio coder |
| 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 |
| AU2003234763A1 (en) * | 2002-04-26 | 2003-11-10 | Matsushita Electric Industrial Co., Ltd. | Coding device, decoding device, coding method, and decoding method |
| DE10236694A1 (de) * | 2002-08-09 | 2004-02-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren |
| US7424434B2 (en) * | 2002-09-04 | 2008-09-09 | Microsoft Corporation | Unified lossy and lossless audio compression |
| US7657429B2 (en) * | 2003-06-16 | 2010-02-02 | Panasonic Corporation | Coding apparatus and coding method for coding with reference to a codebook |
| KR100561869B1 (ko) * | 2004-03-10 | 2006-03-17 | 삼성전자주식회사 | 무손실 오디오 부호화/복호화 방법 및 장치 |
| PL1839297T3 (pl) * | 2005-01-11 | 2019-05-31 | Koninklijke Philips Nv | Skalowalne kodowanie/dekodowanie sygnałów audio |
| US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
| JP4640020B2 (ja) * | 2005-07-29 | 2011-03-02 | ソニー株式会社 | 音声符号化装置及び方法、並びに音声復号装置及び方法 |
| US7678984B1 (en) * | 2005-10-13 | 2010-03-16 | Sun Microsystems, Inc. | Method and apparatus for programmatically generating audio file playlists |
| US8447691B2 (en) * | 2007-05-30 | 2013-05-21 | Hsbc Card Services, Inc. | Systems and methods for NACHA compliant ACH transfers using an automated voice response system |
-
2006
- 2006-07-24 EP EP06117720A patent/EP1883067A1/en not_active Withdrawn
-
2007
- 2007-07-12 JP JP2009521205A patent/JP5123303B2/ja not_active Expired - Fee Related
- 2007-07-12 AT AT07787481T patent/ATE470219T1/de not_active IP Right Cessation
- 2007-07-12 WO PCT/EP2007/057210 patent/WO2008012211A1/en not_active Ceased
- 2007-07-12 KR KR1020097001582A patent/KR101397736B1/ko not_active Expired - Fee Related
- 2007-07-12 BR BRPI0714835-6A patent/BRPI0714835A2/pt not_active IP Right Cessation
- 2007-07-12 EP EP07787481A patent/EP2044589B1/en not_active Not-in-force
- 2007-07-12 CN CN2007800275553A patent/CN101490748B/zh not_active Expired - Fee Related
- 2007-07-12 US US12/309,542 patent/US20090306993A1/en not_active Abandoned
- 2007-07-12 DE DE602007006957T patent/DE602007006957D1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009544993A (ja) | 2009-12-17 |
| CN101490748B (zh) | 2011-12-07 |
| ATE470219T1 (de) | 2010-06-15 |
| EP2044589A1 (en) | 2009-04-08 |
| KR20090043498A (ko) | 2009-05-06 |
| KR101397736B1 (ko) | 2014-05-20 |
| DE602007006957D1 (de) | 2010-07-15 |
| CN101490748A (zh) | 2009-07-22 |
| US20090306993A1 (en) | 2009-12-10 |
| EP1883067A1 (en) | 2008-01-30 |
| JP5123303B2 (ja) | 2013-01-23 |
| WO2008012211A1 (en) | 2008-01-31 |
| EP2044589B1 (en) | 2010-06-02 |
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| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 9A ANUIDADE. |
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| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |
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| B15K | Others concerning applications: alteration of classification |
Ipc: G10L 19/24 (2013.01), G10L 19/00 (2013.01), G10L 1 |