ATE395687T1 - Kodierung von tonsignalen mit zeitverzerrter modifizierter umwandlung - Google Patents
Kodierung von tonsignalen mit zeitverzerrter modifizierter umwandlungInfo
- Publication number
- ATE395687T1 ATE395687T1 AT06792443T AT06792443T ATE395687T1 AT E395687 T1 ATE395687 T1 AT E395687T1 AT 06792443 T AT06792443 T AT 06792443T AT 06792443 T AT06792443 T AT 06792443T AT E395687 T1 ATE395687 T1 AT E395687T1
- Authority
- AT
- Austria
- Prior art keywords
- time
- coding
- distored
- audio signals
- derived
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
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
- G10L19/002—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
-
- 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)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (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 (2)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE395687T1 true ATE395687T1 (de) | 2008-05-15 |
Family
ID=37507461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT06792443T ATE395687T1 (de) | 2005-11-03 | 2006-10-24 | Kodierung von tonsignalen mit zeitverzerrter modifizierter umwandlung |
Country Status (14)
Country | Link |
---|---|
US (3) | US7720677B2 (de) |
EP (7) | 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 (5) | ES2307287T3 (de) |
HK (2) | HK1105159A1 (de) |
MY (1) | MY141264A (de) |
PL (1) | PL1807825T3 (de) |
TW (1) | TWI320172B (de) |
WO (1) | WO2007051548A1 (de) |
Families Citing this family (43)
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 |
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 |
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 |
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 |
EP2077550B8 (de) * | 2008-01-04 | 2012-03-14 | Dolby International 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 |
AU2013206265B2 (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 |
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 |
RU2621965C2 (ru) | 2008-07-11 | 2017-06-08 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | 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 |
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 |
PL3751570T3 (pl) | 2009-01-28 | 2022-03-07 | Dolby International Ab | Ulepszona transpozycja harmonicznych |
CA3076203C (en) | 2009-01-28 | 2021-03-16 | Dolby International Ab | Improved harmonic transposition |
CN102318004B (zh) | 2009-09-18 | 2013-10-23 | 杜比国际公司 | 改进的谐波转置 |
JP5530454B2 (ja) * | 2009-10-21 | 2014-06-25 | 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 |
KR101445294B1 (ko) * | 2010-03-10 | 2014-09-29 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 코딩 컨텍스트의 피치 의존 적응을 이용하는 오디오 신호 디코더, 오디오 신호 인코더, 오디오 신호 디코딩 방법, 오디오 신호 인코딩 방법, 및 컴퓨터 프로그램 |
EP2372703A1 (de) | 2010-03-11 | 2011-10-05 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Signalprozessor, Fensterlieferant, codiertes Mediensignal, Verfahren zur Verarbeitung eines Signals und Verfahren zur Bereitstellung eines Fensters |
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 |
EP2676266B1 (de) | 2011-02-14 | 2015-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Auf linearer Prädiktionscodierung basierendes Codierschema unter Verwendung von Spektralbereichsrauschformung |
CA2903681C (en) | 2011-02-14 | 2017-03-28 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Audio codec using noise synthesis during inactive phases |
CN103620672B (zh) | 2011-02-14 | 2016-04-27 | 弗劳恩霍夫应用研究促进协会 | 用于低延迟联合语音及音频编码(usac)中的错误隐藏的装置和方法 |
MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
PT2676267T (pt) | 2011-02-14 | 2017-09-26 | Fraunhofer Ges Forschung | Codificação e descodificação de posições de pulso de faixas de um sinal de áudio |
KR101624019B1 (ko) | 2011-02-14 | 2016-06-07 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 코덱에서 잡음 생성 |
EP4243017A3 (de) * | 2011-02-14 | 2023-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und verfahren zur decodierung eines audiosignals unter verwendung eines ausgerichteten look-ahead-abschnitts |
BR112012029132B1 (pt) * | 2011-02-14 | 2021-10-05 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V | Representação de sinal de informações utilizando transformada sobreposta |
MY164797A (en) | 2011-02-14 | 2018-01-30 | Fraunhofer Ges Zur Foederung Der Angewandten Forschung E V | Apparatus and method for processing a decoded audio signal in a spectral domain |
AU2012217216B2 (en) | 2011-02-14 | 2015-09-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
EP3176784B1 (de) | 2013-01-08 | 2020-01-01 | Dolby International AB | Modellbasierte vorhersage in einer filterbank |
PT3011692T (pt) * | 2013-06-21 | 2017-09-22 | Fraunhofer Ges Forschung | Controlo jitter buffer, descodificador de áudio, método e programa de computador |
JP6317436B2 (ja) * | 2013-06-21 | 2018-04-25 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. | 時間スケーラ、オーディオデコーダ、方法および品質制御を用いるコンピュータプログラム |
EP2830064A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Decodierung und Codierung eines Audiosignals unter Verwendung adaptiver Spektralabschnittsauswahl |
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 |
CN110444219B (zh) * | 2014-07-28 | 2023-06-13 | 弗劳恩霍夫应用研究促进协会 | 选择第一编码演算法或第二编码演算法的装置与方法 |
EP3107096A1 (de) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verkleinerte decodierung |
ES2727462T3 (es) | 2016-01-22 | 2019-10-16 | Fraunhofer Ges Forschung | Aparatos y procedimientos para la codificación o decodificación de una señal multicanal de audio mediante el uso de repetición de muestreo de dominio espectral |
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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 |
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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 |
RU2621965C2 (ru) * | 2008-07-11 | 2017-06-08 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | 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 |
JP5530454B2 (ja) * | 2009-10-21 | 2014-06-25 | 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 EP EP17193127.2A patent/EP3319086B1/de active Active
- 2006-10-24 DE DE602006001194T patent/DE602006001194D1/de active Active
- 2006-10-24 ES ES06792443T patent/ES2307287T3/es active Active
- 2006-10-24 AT AT06792443T patent/ATE395687T1/de active
- 2006-10-24 CN CN201210037454.7A patent/CN102592602B/zh active Active
- 2006-10-24 EP EP10183308.5A patent/EP2306455B1/de active Active
- 2006-10-24 EP EP06792443A patent/EP1807825B1/de active Active
- 2006-10-24 CN CN200680049867XA patent/CN101351840B/zh active Active
- 2006-10-24 EP EP23205479.1A patent/EP4290513A3/de active Pending
- 2006-10-24 ES ES21156798T patent/ES2967257T3/es active Active
- 2006-10-24 ES ES17193127T patent/ES2863667T3/es active Active
- 2006-10-24 EP EP23205462.7A patent/EP4290512A3/de active Pending
- 2006-10-24 ES ES10183308.5T patent/ES2646814T3/es active Active
- 2006-10-24 EP EP21156798.7A patent/EP3852103B1/de active Active
- 2006-10-24 PL PL06792443T patent/PL1807825T3/pl unknown
- 2006-10-24 JP JP2008538284A patent/JP4927088B2/ja active Active
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