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)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (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 (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) | EP2306455B1 (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) | ES2604758T3 (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 (42)
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 |
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 |
CN102150201B (zh) | 2008-07-11 | 2013-04-17 | 弗劳恩霍夫应用研究促进协会 | 提供时间扭曲激活信号以及使用该时间扭曲激活信号对音频信号编码 |
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 |
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 |
EP2674943B1 (de) | 2009-01-28 | 2015-09-02 | Dolby International AB | Verbesserte harmonische Transposition |
BR122019023709B1 (pt) | 2009-01-28 | 2020-10-27 | Dolby International Ab | sistema para gerar um sinal de áudio de saída a partir de um sinal de áudio de entrada usando um fator de transposição t, método para transpor um sinal de áudio de entrada por um fator de transposição t e meio de armazenamento |
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 |
CA2792500C (en) * | 2010-03-10 | 2016-05-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding |
EP2372704A1 (de) | 2010-03-11 | 2011-10-05 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Signalprozessor und Verfahren zur Verarbeitung eines Signals |
KR101809298B1 (ko) * | 2010-10-06 | 2017-12-14 | 파나소닉 주식회사 | 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 |
TWI488177B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 使用頻譜域雜訊整形之基於線性預測的編碼方案 |
SG192721A1 (en) * | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion |
MX2013009304A (es) | 2011-02-14 | 2013-10-03 | Fraunhofer Ges Forschung | Aparato y metodo para codificar una porcion de una señal de audio utilizando deteccion de un transiente y resultado de calidad. |
ES2639646T3 (es) | 2011-02-14 | 2017-10-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificación y decodificación de posiciones de impulso de pistas de una señal de audio |
SG192745A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Noise generation in audio codecs |
ES2529025T3 (es) | 2011-02-14 | 2015-02-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para procesar una señal de audio decodificada en un dominio espectral |
CA2827000C (en) | 2011-02-14 | 2016-04-05 | Jeremie Lecomte | Apparatus and method for error concealment in low-delay unified speech and audio coding (usac) |
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 |
CA2827335C (en) | 2011-02-14 | 2016-08-30 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Audio codec using noise synthesis during inactive phases |
SG185519A1 (en) * | 2011-02-14 | 2012-12-28 | Fraunhofer Ges Forschung | Information signal representation using lapped transform |
WO2014108393A1 (en) | 2013-01-08 | 2014-07-17 | Dolby International Ab | Model based prediction in a critically sampled filterbank |
CA2964362C (en) * | 2013-06-21 | 2020-03-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Jitter buffer control, audio decoder, method and computer program |
EP2830065A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Decodierung eines codierten Audiosignals unter Verwendung eines Überschneidungsfilters um eine Übergangsfrequenz |
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 |
EP3107096A1 (de) * | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verkleinerte decodierung |
CN117238300A (zh) | 2016-01-22 | 2023-12-15 | 弗劳恩霍夫应用研究促进协会 | 使用帧控制同步来编码或解码多声道音频信号的装置和方法 |
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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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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US8239190B2 (en) * | 2006-08-22 | 2012-08-07 | Qualcomm Incorporated | Time-warping frames of wideband vocoder |
PL2165328T3 (pl) * | 2007-06-11 | 2018-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodowanie i dekodowanie sygnału audio zawierającego część impulsową i część stacjonarną |
EP2077550B8 (de) * | 2008-01-04 | 2012-03-14 | Dolby International AB | Audiokodierer und -dekodierer |
MY154452A (en) * | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
CN102150201B (zh) * | 2008-07-11 | 2013-04-17 | 弗劳恩霍夫应用研究促进协会 | 提供时间扭曲激活信号以及使用该时间扭曲激活信号对音频信号编码 |
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 WO PCT/EP2006/010246 patent/WO2007051548A1/en active IP Right Grant
- 2006-10-24 EP EP10183308.5A patent/EP2306455B1/de active Active
- 2006-10-24 ES ES08008361.1T patent/ES2604758T3/es active Active
- 2006-10-24 ES ES17193127T patent/ES2863667T3/es active Active
- 2006-10-24 CN CN201210037454.7A patent/CN102592602B/zh active Active
- 2006-10-24 ES ES06792443T patent/ES2307287T3/es active Active
- 2006-10-24 PL PL06792443T patent/PL1807825T3/pl unknown
- 2006-10-24 CN CN200680049867XA patent/CN101351840B/zh active Active
- 2006-10-24 ES ES10183308.5T patent/ES2646814T3/es active Active
- 2006-10-24 EP EP06792443A patent/EP1807825B1/de active Active
- 2006-10-24 DK DK06792443T patent/DK1807825T3/da active
- 2006-10-24 EP EP23205462.7A patent/EP4290512A3/de active Pending
- 2006-10-24 EP EP23205479.1A patent/EP4290513A3/de active Pending
- 2006-10-24 ES ES21156798T patent/ES2967257T3/es active Active
- 2006-10-24 EP EP17193127.2A patent/EP3319086B1/de active Active
- 2006-10-24 JP JP2008538284A patent/JP4927088B2/ja active Active
- 2006-10-24 AT AT06792443T patent/ATE395687T1/de active
- 2006-10-24 EP EP21156798.7A patent/EP3852103B1/de active Active
- 2006-10-24 DE DE602006001194T patent/DE602006001194D1/de active Active
- 2006-10-24 EP EP08008361.1A patent/EP1953738B1/de active Active
- 2006-10-24 KR KR1020087010642A patent/KR100959701B1/ko active IP Right Grant
- 2006-10-25 TW TW095139384A patent/TWI320172B/zh active
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2007
- 2007-09-21 HK HK07110315A patent/HK1105159A1/xx unknown
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2008
- 2008-04-29 MY MYPI20081350A patent/MY141264A/en unknown
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2010
- 2010-01-29 US US12/697,137 patent/US8412518B2/en active Active
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2011
- 2011-11-02 JP JP2011240716A patent/JP5323164B2/ja active Active
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2013
- 2013-02-14 US US13/766,945 patent/US8838441B2/en active Active
- 2013-05-20 JP JP2013106030A patent/JP6125324B2/ja active Active
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2014
- 2014-09-08 JP JP2014182138A patent/JP6084595B2/ja active Active
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2018
- 2018-10-22 HK HK18113511.3A patent/HK1254427A1/zh unknown
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