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
- Authority
- PT
- Portugal
- 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
- 230000002087 whitening effect Effects 0.000 claims description 52
- 238000013139 quantization Methods 0.000 claims description 14
- 238000004061 bleaching Methods 0.000 claims description 11
- 230000003111 delayed effect Effects 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 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
- 230000008569 process Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 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
- 230000008520 organization Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Classifications
-
- 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 (enExample) |
| EP (3) | EP1852849A1 (enExample) |
| JP (1) | JP5215994B2 (enExample) |
| KR (1) | KR101473016B1 (enExample) |
| CN (1) | CN101432802B (enExample) |
| BR (1) | BRPI0711272A2 (enExample) |
| PT (1) | PT2016583E (enExample) |
| WO (1) | WO2007128662A1 (enExample) |
Families Citing this family (20)
| 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 |
| US20090198500A1 (en) * | 2007-08-24 | 2009-08-06 | Qualcomm Incorporated | Temporal masking in audio coding based on spectral dynamics in frequency sub-bands |
| US8428957B2 (en) | 2007-08-24 | 2013-04-23 | Qualcomm Incorporated | Spectral noise shaping 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 |
| PL2352147T3 (pl) * | 2008-07-11 | 2014-02-28 | Fraunhofer Ges Forschung | Urządzenie i sposób kodowania sygnału audio |
| MY153594A (en) | 2008-07-11 | 2015-02-27 | Fraunhofer Ges Forschung | An apparatus and a method for calculating a number of spectral envelopes |
| WO2012070232A1 (ja) | 2010-11-26 | 2012-05-31 | 日本電気株式会社 | 映像符号化装置、映像復号装置、映像符号化方法、映像復号方法及びプログラム |
| FI3518234T3 (fi) | 2010-11-22 | 2023-12-14 | Ntt Docomo Inc | Audiokoodauslaite ja -menetelmä |
| 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 |
| CN106941004B (zh) | 2012-07-13 | 2021-05-18 | 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 |
| CN111179946B (zh) | 2013-09-13 | 2023-10-13 | 三星电子株式会社 | 无损编码方法和无损解码方法 |
| US9779739B2 (en) | 2014-03-20 | 2017-10-03 | Dts, Inc. | Residual encoding in an object-based audio system |
| CA2945791A1 (en) * | 2014-04-17 | 2015-10-22 | Audimax, Llc | Systems, methods and devices for electronic communications having decreased information loss |
| 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 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69629986T2 (de) | 1995-07-27 | 2004-07-15 | Victor Company of Japan, Ltd., Yokohama | Verfahren und Gerät zum Kodieren digitaler akustischer Signale |
| 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 |
| US7328150B2 (en) * | 2002-09-04 | 2008-02-05 | Microsoft Corporation | Innovations in pure lossless audio compression |
| US7536305B2 (en) * | 2002-09-04 | 2009-05-19 | Microsoft Corporation | Mixed 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 |
| US7272567B2 (en) * | 2004-03-25 | 2007-09-18 | Zoran Fejzo | Scalable lossless audio codec and authoring tool |
| TR200606136T1 (tr) * | 2004-03-25 | 2007-04-24 | Digital Theater Systems, Inc | Kayıpsız çok-kanallı işitsel veri kodlayıcı-kodçözücüsü. |
| 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 EP EP12154030A patent/EP2453437A3/en not_active Withdrawn
- 2007-04-18 JP JP2009508302A patent/JP5215994B2/ja not_active Expired - Fee Related
- 2007-04-18 BR BRPI0711272-6A patent/BRPI0711272A2/pt not_active IP Right Cessation
- 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
- 2007-04-18 EP EP07728246A patent/EP2016583B1/en not_active Not-in-force
- 2007-04-18 PT PT07728246T patent/PT2016583E/pt unknown
-
2008
- 2008-11-04 KR KR1020087027070A patent/KR101473016B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20090177478A1 (en) | 2009-07-09 |
| EP1852849A1 (en) | 2007-11-07 |
| US8326618B2 (en) | 2012-12-04 |
| EP2016583B1 (en) | 2012-08-15 |
| KR101473016B1 (ko) | 2014-12-15 |
| WO2007128662A1 (en) | 2007-11-15 |
| EP2453437A2 (en) | 2012-05-16 |
| JP5215994B2 (ja) | 2013-06-19 |
| CN101432802A (zh) | 2009-05-13 |
| EP2016583A1 (en) | 2009-01-21 |
| BRPI0711272A2 (pt) | 2011-11-08 |
| JP2009536364A (ja) | 2009-10-08 |
| KR20090007396A (ko) | 2009-01-16 |
| EP2453437A3 (en) | 2012-07-18 |
| CN101432802B (zh) | 2015-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT2016583E (pt) | 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 | |
| KR101139172B1 (ko) | 스케일러블 음성 및 오디오 코덱들에서 양자화된 ｍｄｃｔ 스펙트럼에 대한 코드북 인덱스들의 인코딩/디코딩을 위한 기술 | |
| KR101171098B1 (ko) | 혼합 구조의 스케일러블 음성 부호화 방법 및 장치 | |
| CN101490748B (zh) | 使用有损编码数据流和无损扩展数据流对源信号进行无损编码的方法和设备 | |
| US8527265B2 (en) | Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs | |
| JP5058152B2 (ja) | 符号化装置および符号化方法 | |
| TWI886626B (zh) | 具有減少後處理延遲之高頻重建技術之整合 | |
| KR20080005325A (ko) | 적응적 부호화/복호화 방법 및 장치 | |
| JP5355387B2 (ja) | 符号化装置および符号化方法 | |
| CN101842832A (zh) | 编码装置和解码装置 | |
| 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 | |
| CN101162584A (zh) | 使用带宽扩展技术对音频信号编码和解码的方法和设备 | |
| WO2012053150A1 (ja) | 音声符号化装置および音声復号化装置 | |
| IL296961B1 (en) | Harmonic-inverse harmonic exchanger combination for high-frequency reproduction of audio signals | |
| KR20100114450A (ko) | 가변 비트율을 갖는 잔차 신호 부호화를 이용한 고품질 다객체 오디오 부호화 및 복호화 장치 | |
| WO2011045927A1 (ja) | 符号化装置、復号装置およびこれらの方法 |