DK1807825T3 - Tidswarpet modificeret transformationskodning af audiosignaler - Google Patents
Tidswarpet modificeret transformationskodning af audiosignalerInfo
- Publication number
- DK1807825T3 DK1807825T3 DK06792443T DK06792443T DK1807825T3 DK 1807825 T3 DK1807825 T3 DK 1807825T3 DK 06792443 T DK06792443 T DK 06792443T DK 06792443 T DK06792443 T DK 06792443T DK 1807825 T3 DK1807825 T3 DK 1807825T3
- Authority
- DK
- Denmark
- Prior art keywords
- coding
- time warp
- time
- modified audio
- derived
- Prior art date
Links
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
- G10L19/02—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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
- G10L19/02—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
- G10L19/0212—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 using orthogonal transformation
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)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73351205P | 2005-11-03 | 2005-11-03 | |
| US11/464,176 US7720677B2 (en) | 2005-11-03 | 2006-08-11 | Time warped modified transform coding of audio signals |
| PCT/EP2006/010246 WO2007051548A1 (en) | 2005-11-03 | 2006-10-24 | Time warped modified transform coding of audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK1807825T3 true DK1807825T3 (da) | 2008-09-08 |
Family
ID=37507461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK06792443T DK1807825T3 (da) | 2005-11-03 | 2006-10-24 | Tidswarpet modificeret transformationskodning af audiosignaler |
Country Status (13)
| Country | Link |
|---|---|
| US (3) | US7720677B2 (de) |
| EP (9) | EP1953738B1 (de) |
| JP (4) | JP4927088B2 (de) |
| KR (1) | KR100959701B1 (de) |
| CN (2) | CN102592602B (de) |
| AT (1) | ATE395687T1 (de) |
| DE (1) | DE602006001194D1 (de) |
| DK (1) | DK1807825T3 (de) |
| ES (7) | ES2604758T3 (de) |
| MY (1) | MY141264A (de) |
| PL (1) | PL1807825T3 (de) |
| TW (1) | TWI320172B (de) |
| WO (1) | WO2007051548A1 (de) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7720677B2 (en) * | 2005-11-03 | 2010-05-18 | Coding Technologies Ab | Time warped modified transform coding of audio signals |
| US7873511B2 (en) * | 2006-06-30 | 2011-01-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
| US8682652B2 (en) * | 2006-06-30 | 2014-03-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
| US8239190B2 (en) * | 2006-08-22 | 2012-08-07 | Qualcomm Incorporated | Time-warping frames of wideband vocoder |
| US9653088B2 (en) | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
| KR101380170B1 (ko) * | 2007-08-31 | 2014-04-02 | 삼성전자주식회사 | 미디어 신호 인코딩/디코딩 방법 및 장치 |
| TWI455064B (zh) * | 2007-12-20 | 2014-10-01 | Thomson Licensing | 聲影文件突起映圖之決定方法和裝置 |
| DE602008005250D1 (de) | 2008-01-04 | 2011-04-14 | Dolby Sweden Ab | Audiokodierer und -dekodierer |
| EP2107556A1 (de) | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Transform basierte Audiokodierung mittels Grundfrequenzkorrektur |
| AU2013206266B2 (en) * | 2008-07-11 | 2015-05-28 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Providing a time warp activation signal and encoding an audio signal therewith |
| RU2536679C2 (ru) * | 2008-07-11 | 2014-12-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы |
| MY154452A (en) * | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
| EP2144231A1 (de) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiokodierungs-/-dekodierungschema geringer Bitrate mit gemeinsamer Vorverarbeitung |
| EP2211335A1 (de) * | 2009-01-21 | 2010-07-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung, Verfahren und Computerprogramm zum Erhalt eines Parameters, der eine Variation einer Signaleigenschaft eines Signals beschreibt |
| ES2639716T3 (es) * | 2009-01-28 | 2017-10-30 | Dolby International Ab | Transposición armónica mejorada |
| PL4503029T3 (pl) | 2009-01-28 | 2026-03-16 | Dolby International Ab | Ulepszona transpozycja harmonicznych |
| KR101701759B1 (ko) | 2009-09-18 | 2017-02-03 | 돌비 인터네셔널 에이비 | 입력 신호를 전위시키기 위한 시스템 및 방법, 및 상기 방법을 수행하기 위한 컴퓨터 프로그램이 기록된 컴퓨터 판독가능 저장 매체 |
| WO2011048815A1 (ja) * | 2009-10-21 | 2011-04-28 | パナソニック株式会社 | オーディオ符号化装置、復号装置、方法、回路およびプログラム |
| US9338523B2 (en) * | 2009-12-21 | 2016-05-10 | Echostar Technologies L.L.C. | Audio splitting with codec-enforced frame sizes |
| RU2586848C2 (ru) | 2010-03-10 | 2016-06-10 | Долби Интернейшнл АБ | Декодер звукового сигнала, кодирующее устройство звукового сигнала, способы и компьютерная программа, использующие зависящее от частоты выборки кодирование контура деформации времени |
| EP2372704A1 (de) | 2010-03-11 | 2011-10-05 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Signalprozessor und Verfahren zur Verarbeitung eines Signals |
| CN103098130B (zh) * | 2010-10-06 | 2014-11-26 | 松下电器产业株式会社 | 编码装置、解码装置、编码方法以及解码方法 |
| JP5914527B2 (ja) | 2011-02-14 | 2016-05-11 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法 |
| AU2012217162B2 (en) | 2011-02-14 | 2015-11-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Noise generation in audio codecs |
| TR201903388T4 (tr) | 2011-02-14 | 2019-04-22 | Fraunhofer Ges Forschung | Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi. |
| WO2012110447A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for error concealment in low-delay unified speech and audio coding (usac) |
| PL2550653T3 (pl) * | 2011-02-14 | 2014-09-30 | Fraunhofer Ges Forschung | Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej |
| SG192718A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Audio codec using noise synthesis during inactive phases |
| WO2012110473A1 (en) * | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion |
| EP2676268B1 (de) | 2011-02-14 | 2014-12-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur verarbeitung eines dekodierten audiosignals in einem spektralbereich |
| WO2012110476A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Linear prediction based coding scheme using spectral domain noise shaping |
| TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
| CA3054712C (en) | 2013-01-08 | 2020-06-09 | Lars Villemoes | Model based prediction in a critically sampled filterbank |
| PL3011692T3 (pl) * | 2013-06-21 | 2017-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sterowanie buforem rozsynchronizowania, dekoder sygnału audio, sposób i program komputerowy |
| CN105474313B (zh) * | 2013-06-21 | 2019-09-06 | 弗劳恩霍夫应用研究促进协会 | 时间缩放器、音频解码器、方法和计算机可读存储介质 |
| EP2830054A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierer, Audiodecodierer und zugehörige Verfahren unter Verwendung von Zweikanalverarbeitung in einem intelligenten Lückenfüllkontext |
| EP2830055A1 (de) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kontextbasierte Entropiecodierung von Probenwerten einer spektralen Hüllkurve |
| FR3020732A1 (fr) * | 2014-04-30 | 2015-11-06 | Orange | Correction de perte de trame perfectionnee avec information de voisement |
| EP3000110B1 (de) | 2014-07-28 | 2016-12-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Auswahl eines ersten codierungsalgorithmus oder eines zweiten codierungsalgorithmus unter verwendung von harmoniereduzierung |
| 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 |
| EP3107096A1 (de) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verkleinerte decodierung |
| MY196436A (en) | 2016-01-22 | 2023-04-11 | Fraunhofer Ges Forschung | Apparatus and Method for Encoding or Decoding a Multi-Channel Signal Using Frame Control Synchronization |
| CN110998722B (zh) * | 2017-07-03 | 2023-11-10 | 杜比国际公司 | 低复杂性密集瞬态事件检测和译码 |
| EP3483879A1 (de) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analyse-/synthese-fensterfunktion für modulierte geläppte transformation |
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| MY154452A (en) * | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
| RU2536679C2 (ru) * | 2008-07-11 | 2014-12-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы |
| WO2011048815A1 (ja) * | 2009-10-21 | 2011-04-28 | パナソニック株式会社 | オーディオ符号化装置、復号装置、方法、回路およびプログラム |
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2006
- 2006-08-11 US US11/464,176 patent/US7720677B2/en active Active
- 2006-10-24 EP EP08008361.1A patent/EP1953738B1/de active Active
- 2006-10-24 PL PL06792443T patent/PL1807825T3/pl unknown
- 2006-10-24 EP EP06792443A patent/EP1807825B1/de active Active
- 2006-10-24 ES ES08008361.1T patent/ES2604758T3/es active Active
- 2006-10-24 KR KR1020087010642A patent/KR100959701B1/ko active Active
- 2006-10-24 DE DE602006001194T patent/DE602006001194D1/de active Active
- 2006-10-24 WO PCT/EP2006/010246 patent/WO2007051548A1/en not_active Ceased
- 2006-10-24 EP EP24220474.1A patent/EP4503022B1/de active Active
- 2006-10-24 ES ES17193127T patent/ES2863667T3/es active Active
- 2006-10-24 EP EP23205462.7A patent/EP4290512B1/de active Active
- 2006-10-24 DK DK06792443T patent/DK1807825T3/da active
- 2006-10-24 CN CN201210037454.7A patent/CN102592602B/zh active Active
- 2006-10-24 ES ES23205479T patent/ES3007995T3/es active Active
- 2006-10-24 ES ES06792443T patent/ES2307287T3/es active Active
- 2006-10-24 AT AT06792443T patent/ATE395687T1/de active
- 2006-10-24 ES ES23205462T patent/ES3007390T3/es active Active
- 2006-10-24 ES ES10183308.5T patent/ES2646814T3/es active Active
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