BRPI0711190B1 - Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas - Google Patents
Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas Download PDFInfo
- Publication number
- BRPI0711190B1 BRPI0711190B1 BRPI0711190-8A BRPI0711190A BRPI0711190B1 BR PI0711190 B1 BRPI0711190 B1 BR PI0711190B1 BR PI0711190 A BRPI0711190 A BR PI0711190A BR PI0711190 B1 BRPI0711190 B1 BR PI0711190B1
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- data
- encoded
- lossy
- lossless
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000003595 spectral effect Effects 0.000 claims description 79
- 238000004061 bleaching Methods 0.000 claims description 46
- 238000013139 quantization Methods 0.000 claims description 36
- 230000015572 biosynthetic process Effects 0.000 claims description 19
- 238000003786 synthesis reaction Methods 0.000 claims description 19
- 238000001228 spectrum Methods 0.000 claims description 18
- 230000006978 adaptation Effects 0.000 claims description 12
- 230000002087 whitening effect Effects 0.000 claims description 12
- 238000013459 approach Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims 1
- 230000005236 sound signal Effects 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000005056 compaction Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000007726 management method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- KAATUXNTWXVJKI-UHFFFAOYSA-N cypermethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-UHFFFAOYSA-N 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- 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)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (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 |
|---|---|---|---|
| EP06113576A EP1852848A1 (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 |
| EP06113576.0 | 2006-05-05 | ||
| PCT/EP2007/053783 WO2007128661A1 (en) | 2006-05-05 | 2007-04-18 | Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0711190A2 BRPI0711190A2 (pt) | 2011-08-23 |
| BRPI0711190B1 true BRPI0711190B1 (pt) | 2018-01-30 |
Family
ID=36694486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0711190-8A BRPI0711190B1 (pt) | 2006-05-05 | 2007-04-18 | Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8428941B2 (https=) |
| EP (2) | EP1852848A1 (https=) |
| JP (1) | JP5135330B2 (https=) |
| KR (1) | KR101404335B1 (https=) |
| CN (1) | CN101432610B (https=) |
| AT (1) | ATE459868T1 (https=) |
| BR (1) | BRPI0711190B1 (https=) |
| DE (1) | DE602007005119D1 (https=) |
| WO (1) | WO2007128661A1 (https=) |
Families Citing this family (21)
| 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 |
| CN101615395B (zh) | 2008-12-31 | 2011-01-12 | 华为技术有限公司 | 信号编码、解码方法及装置、系统 |
| US8457976B2 (en) | 2009-01-30 | 2013-06-04 | Qnx Software Systems Limited | Sub-band processing complexity reduction |
| EP2755205B1 (en) * | 2010-01-29 | 2019-12-11 | 2236008 Ontario Inc. | Sub-band processing complexity reduction |
| EP2395505A1 (en) * | 2010-06-11 | 2011-12-14 | Thomson Licensing | Method and apparatus for searching in a layered hierarchical bit stream followed by replay, said bit stream including a base layer and at least one enhancement layer |
| TWI896112B (zh) * | 2010-12-03 | 2025-09-01 | 美商杜比實驗室特許公司 | 音頻解碼裝置、音頻解碼方法及音頻編碼方法 |
| KR101699898B1 (ko) | 2011-02-14 | 2017-01-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치 |
| EP2676267B1 (en) | 2011-02-14 | 2017-07-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of pulse positions of tracks of an audio signal |
| WO2012110448A1 (en) * | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| MY165853A (en) | 2011-02-14 | 2018-05-18 | Fraunhofer Ges Forschung | Linear prediction based coding scheme using spectral domain noise shaping |
| GB201210373D0 (en) * | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
| KR102204136B1 (ko) | 2012-08-22 | 2021-01-18 | 한국전자통신연구원 | 오디오 부호화 장치 및 방법, 오디오 복호화 장치 및 방법 |
| EP2770642B1 (en) * | 2013-02-26 | 2022-10-05 | Tata Consultancy Services Limited | Systems and methods for data archival |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| US9292584B1 (en) * | 2014-12-27 | 2016-03-22 | Ascava, Inc. | Efficient data communication based on lossless reduction of data by deriving data from prime data elements resident in a content-associative sieve |
| US10431242B1 (en) * | 2017-11-02 | 2019-10-01 | Gopro, Inc. | Systems and methods for identifying speech based on spectral features |
| BR112020011026A2 (pt) | 2017-11-17 | 2020-11-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | aparelho e método para codificar ou decodificar parâmetros de codificação de áudio direcional com o uso de quantização e codificação de entropia |
| 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 |
| AU2020320270B2 (en) | 2019-08-01 | 2025-10-23 | Dolby Laboratories Licensing Corporation | Encoding and decoding IVAS bitstreams |
| CN115472171B (zh) * | 2021-06-11 | 2024-11-22 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序 |
| 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 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU704693B2 (en) * | 1994-12-20 | 1999-04-29 | Dolby Laboratories Licensing Corporation | Method and apparatus for applying waveform prediction to subbands of a perceptual coding system |
| DE19742201C1 (de) * | 1997-09-24 | 1999-02-04 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren von Audiosignalen |
| JPH11109996A (ja) | 1997-10-06 | 1999-04-23 | Victor Co Of Japan Ltd | 音声符号化装置、音声符号化方法及び音声符号化情報の記録された光記録媒体並びに音声復号装置 |
| WO1999053677A2 (en) | 1998-04-09 | 1999-10-21 | Koninklijke Philips Electronics N.V. | Lossless encoding/decoding in a transmission system |
| KR100743534B1 (ko) * | 2000-01-07 | 2007-07-27 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디지털 정보를 전송하는 전송장치 및 전송방법 |
| SE0004163D0 (sv) * | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| US6675148B2 (en) * | 2001-01-05 | 2004-01-06 | Digital Voice Systems, Inc. | Lossless audio coder |
| JP3636094B2 (ja) * | 2001-05-07 | 2005-04-06 | ソニー株式会社 | 信号符号化装置及び方法、並びに信号復号装置及び方法 |
| KR100908114B1 (ko) * | 2002-03-09 | 2009-07-16 | 삼성전자주식회사 | 스케일러블 무손실 오디오 부호화/복호화 장치 및 그 방법 |
| 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 |
| KR100467326B1 (ko) * | 2002-12-09 | 2005-01-24 | 학교법인연세대학교 | 추가 비트 할당 기법을 이용한 음성 부호화 및 복호화를위한 송수신기 |
| DE102004007184B3 (de) | 2004-02-13 | 2005-09-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Quantisieren eines Informationssignals |
| US7392195B2 (en) * | 2004-03-25 | 2008-06-24 | Dts, Inc. | Lossless multi-channel audio codec |
| US20060015329A1 (en) * | 2004-07-19 | 2006-01-19 | Chu Wai C | Apparatus and method for audio coding |
| US8260611B2 (en) * | 2005-04-01 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for highband excitation generation |
| KR100818268B1 (ko) * | 2005-04-14 | 2008-04-02 | 삼성전자주식회사 | 오디오 데이터 부호화 및 복호화 장치와 방법 |
| US8055500B2 (en) * | 2005-10-12 | 2011-11-08 | Samsung Electronics Co., Ltd. | Method, medium, and apparatus encoding/decoding audio data with extension data |
| US7835904B2 (en) * | 2006-03-03 | 2010-11-16 | Microsoft Corp. | Perceptual, scalable audio compression |
| US20080243518A1 (en) * | 2006-11-16 | 2008-10-02 | Alexey Oraevsky | System And Method For Compressing And Reconstructing Audio Files |
| KR101379263B1 (ko) * | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | 대역폭 확장 복호화 방법 및 장치 |
| EP2165328B1 (en) * | 2007-06-11 | 2018-01-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion |
-
2006
- 2006-05-05 EP EP06113576A patent/EP1852848A1/en not_active Withdrawn
-
2007
- 2007-04-18 BR BRPI0711190-8A patent/BRPI0711190B1/pt not_active IP Right Cessation
- 2007-04-18 JP JP2009508301A patent/JP5135330B2/ja not_active Expired - Fee Related
- 2007-04-18 US US12/226,992 patent/US8428941B2/en not_active Expired - Fee Related
- 2007-04-18 EP EP07728245A patent/EP2016383B1/en not_active Not-in-force
- 2007-04-18 AT AT07728245T patent/ATE459868T1/de not_active IP Right Cessation
- 2007-04-18 CN CN2007800156126A patent/CN101432610B/zh not_active Expired - Fee Related
- 2007-04-18 KR KR1020087027032A patent/KR101404335B1/ko not_active Expired - Fee Related
- 2007-04-18 DE DE602007005119T patent/DE602007005119D1/de active Active
- 2007-04-18 WO PCT/EP2007/053783 patent/WO2007128661A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0711190A2 (pt) | 2011-08-23 |
| DE602007005119D1 (de) | 2010-04-15 |
| CN101432610A (zh) | 2009-05-13 |
| EP1852848A1 (en) | 2007-11-07 |
| EP2016383A1 (en) | 2009-01-21 |
| JP5135330B2 (ja) | 2013-02-06 |
| WO2007128661A1 (en) | 2007-11-15 |
| US8428941B2 (en) | 2013-04-23 |
| JP2009536363A (ja) | 2009-10-08 |
| ATE459868T1 (de) | 2010-03-15 |
| EP2016383B1 (en) | 2010-03-03 |
| CN101432610B (zh) | 2011-11-23 |
| KR20090007395A (ko) | 2009-01-16 |
| US20090164226A1 (en) | 2009-06-25 |
| KR101404335B1 (ko) | 2014-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0711190B1 (pt) | Método e aparelho para codificação sem perdas de um sinal de origem usando um fluxo de dados codificado com perdas e um fluxo de dados de extensão sem perdas | |
| RU2387023C2 (ru) | Многоканальный аудиокодер без потерь | |
| KR101664434B1 (ko) | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 | |
| JP5123303B2 (ja) | 不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置 | |
| BRPI0906619B1 (pt) | Métodos para codificar áudio de multicanal, para decodificar um fluxo de áudio de multicanal de taxa de bit variável sem perda e para iniciar decodificação de um fluxo de bit de áudio de multicanal de taxa de bit variável, um ou mais meios legíveis por computador, um ou mais dispositivos semicondutores, e, decodificador de áudio de multicanal | |
| JP6474845B2 (ja) | 軽減された計算量の変換器ｓｎｒ計算 | |
| JPH10282999A (ja) | オーディオ信号を符号化する方法及び装置、並びに符号化されたオーディオ信号を復号する方法及び装置 | |
| TW201126514A (en) | Conversion of synthesized spectral components for encoding and low-complexity transcoding | |
| WO2009096717A2 (ko) | 오디오 신호의 부호화, 복호화 방법 및 장치 | |
| JP4640020B2 (ja) | 音声符号化装置及び方法、並びに音声復号装置及び方法 | |
| BRPI0711272A2 (pt) | método e aparelho para codificação sem perdas de um sinal-fonte usando um fluxo contìnuo de dados codificado com perdas e um fluxo contìnuo de dados de extensão sem perdas | |
| CN101490746A (zh) | 有损编码信号及所述信号的无损编码扩展数据的音频比特流数据结构布置 | |
| KR20100089772A (ko) | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 | |
| JP2003523535A (ja) | 複数のデータ圧縮フォーマット間でのオーディオ信号の変換方法及び装置 | |
| US20130103394A1 (en) | Device and method for efficiently encoding quantization parameters of spectral coefficient coding | |
| Yang et al. | A lossless audio compression scheme with random access property | |
| KR101387808B1 (ko) | 가변 비트율을 갖는 잔차 신호 부호화를 이용한 고품질 다객체 오디오 부호화 및 복호화 장치 | |
| KR100349329B1 (ko) | 엠펙-2 고품질 오디오 처리 알고리즘의 병렬 처리 방법 | |
| KR20050040441A (ko) | 스케일러블 오디오 복/부호화 방법 및 장치 | |
| BR122023025300B1 (pt) | Aparelho e método para carregamento estéreo em conversão em código multicanal e sistema | |
| BR122023025319B1 (pt) | Aparelho e método para carregamento estéreo em conversão em código multicanal e sistema | |
| BR122023025322B1 (pt) | Aparelho e método para carregamento estéreo em conversão em código multicanal e sistema | |
| BR122023025309B1 (pt) | Aparelho e método para carregamento estéreo em conversão em código multicanal e sistema | |
| KR20100113932A (ko) | 멀티 채널 신호의 부호화/복호화 장치 및 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Owner name: DOLBY INTERNATIONAL AB (NL) |
|
| B15K | Others concerning applications: alteration of classification |
Ipc: G10L 19/00 (2000.01), G10L 19/24 (2013.01) |
|
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] | ||
| B25A | Requested transfer of rights approved | ||
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 17A ANUIDADE. |
|
| B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2771 DE 15-02-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |