ATE394901T1 - Mehrkanal-synthesizer und verfahren zum erzeugen eines mehrkanal-ausgangssignals - Google Patents
Mehrkanal-synthesizer und verfahren zum erzeugen eines mehrkanal-ausgangssignalsInfo
- Publication number
- ATE394901T1 ATE394901T1 AT05757240T AT05757240T ATE394901T1 AT E394901 T1 ATE394901 T1 AT E394901T1 AT 05757240 T AT05757240 T AT 05757240T AT 05757240 T AT05757240 T AT 05757240T AT E394901 T1 ATE394901 T1 AT E394901T1
- Authority
- AT
- Austria
- Prior art keywords
- channel
- post
- reconstruction parameter
- output signal
- reconstruction
- Prior art date
Links
- 238000013139 quantization Methods 0.000 abstract 2
- 238000012805 post-processing Methods 0.000 abstract 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- 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
- G10L19/26—Pre-filtering or post-filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Radio Relay Systems (AREA)
- Stereophonic System (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/883,538 US8843378B2 (en) | 2004-06-30 | 2004-06-30 | Multi-channel synthesizer and method for generating a multi-channel output signal |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE394901T1 true ATE394901T1 (de) | 2008-05-15 |
Family
ID=34971777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05757240T ATE394901T1 (de) | 2004-06-30 | 2005-06-13 | Mehrkanal-synthesizer und verfahren zum erzeugen eines mehrkanal-ausgangssignals |
Country Status (18)
Country | Link |
---|---|
US (1) | US8843378B2 (de) |
EP (1) | EP1649723B1 (de) |
JP (1) | JP4712799B2 (de) |
KR (1) | KR100913987B1 (de) |
CN (1) | CN1954642B (de) |
AT (1) | ATE394901T1 (de) |
AU (1) | AU2005259618B2 (de) |
BR (1) | BRPI0511362B1 (de) |
CA (1) | CA2569666C (de) |
DE (1) | DE602005006495D1 (de) |
ES (1) | ES2307188T3 (de) |
HK (1) | HK1090504A1 (de) |
IL (1) | IL178670A (de) |
MX (1) | MXPA06014968A (de) |
NO (1) | NO338980B1 (de) |
PT (1) | PT1649723E (de) |
RU (1) | RU2345506C2 (de) |
WO (1) | WO2006002748A1 (de) |
Families Citing this family (58)
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JP4612787B2 (ja) * | 2003-03-07 | 2011-01-12 | キヤノン株式会社 | 画像データの暗号化装置の制御方法及び画像データ変換装置の制御方法、及び、それらの装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体 |
US8843378B2 (en) * | 2004-06-30 | 2014-09-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Multi-channel synthesizer and method for generating a multi-channel output signal |
CN1985544B (zh) * | 2004-07-14 | 2010-10-13 | 皇家飞利浦电子股份有限公司 | 处理立体声下混合信号的方法、装置、编译码器和系统 |
JP4892184B2 (ja) * | 2004-10-14 | 2012-03-07 | パナソニック株式会社 | 音響信号符号化装置及び音響信号復号装置 |
EP1691348A1 (de) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametrische kombinierte Kodierung von Audio-Quellen |
US9626973B2 (en) * | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
JP4809370B2 (ja) * | 2005-02-23 | 2011-11-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル音声符号化における適応ビット割り当て |
JP4887288B2 (ja) * | 2005-03-25 | 2012-02-29 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
US7983922B2 (en) * | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
JP4988716B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
US8917874B2 (en) * | 2005-05-26 | 2014-12-23 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
US8090587B2 (en) * | 2005-09-27 | 2012-01-03 | Lg Electronics Inc. | Method and apparatus for encoding/decoding multi-channel audio signal |
JP4806031B2 (ja) * | 2006-01-19 | 2011-11-02 | エルジー エレクトロニクス インコーポレイティド | メディア信号の処理方法及び装置 |
US8560303B2 (en) * | 2006-02-03 | 2013-10-15 | Electronics And Telecommunications Research Institute | Apparatus and method for visualization of multichannel audio signals |
KR100983286B1 (ko) * | 2006-02-07 | 2010-09-24 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
ATE527833T1 (de) | 2006-05-04 | 2011-10-15 | Lg Electronics Inc | Verbesserung von stereo-audiosignalen mittels neuabmischung |
EP1870880B1 (de) * | 2006-06-19 | 2010-04-07 | Sharp Kabushiki Kaisha | Signalverarbeitungsverfahren, Signalverarbeitungsvorrichtung und Aufzeichnungsmedium |
DE102006030276A1 (de) | 2006-06-30 | 2008-01-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines gefilterten Aktivitätsmusters, Quellentrenner, Verfahren zum Erzeugen eines bereinigten Audiosignals und Computerprogramm |
KR100763919B1 (ko) * | 2006-08-03 | 2007-10-05 | 삼성전자주식회사 | 멀티채널 신호를 모노 또는 스테레오 신호로 압축한 입력신호를 2 채널의 바이노럴 신호로 복호화하는 방법 및 장치 |
US20080235006A1 (en) * | 2006-08-18 | 2008-09-25 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
JP4769673B2 (ja) | 2006-09-20 | 2011-09-07 | 富士通株式会社 | オーディオ信号補間方法及びオーディオ信号補間装置 |
EP2084901B1 (de) | 2006-10-12 | 2015-12-09 | LG Electronics Inc. | Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür |
DE102006051673A1 (de) * | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
CA2669091C (en) | 2006-11-15 | 2014-07-08 | Lg Electronics Inc. | A method and an apparatus for decoding an audio signal |
JP5463143B2 (ja) | 2006-12-07 | 2014-04-09 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及びその装置 |
EP2102858A4 (de) | 2006-12-07 | 2010-01-20 | Lg Electronics Inc | Verfahren und vorrichtung zum verarbeiten eines audiosignals |
CN101647060A (zh) * | 2007-02-13 | 2010-02-10 | Lg电子株式会社 | 处理音频信号的方法和装置 |
US9015051B2 (en) * | 2007-03-21 | 2015-04-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Reconstruction of audio channels with direction parameters indicating direction of origin |
US8908873B2 (en) * | 2007-03-21 | 2014-12-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
US8290167B2 (en) * | 2007-03-21 | 2012-10-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
KR101505831B1 (ko) * | 2007-10-30 | 2015-03-26 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 방법 및 장치 |
EP2293294B1 (de) | 2008-03-10 | 2019-07-24 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Vorrichtung und Verfahren zur Manipulation eines Audiosignals mit einem Vorübergehenden Ereignis |
WO2010016270A1 (ja) * | 2008-08-08 | 2010-02-11 | パナソニック株式会社 | 量子化装置、符号化装置、量子化方法及び符号化方法 |
EP2154910A1 (de) * | 2008-08-13 | 2010-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zum Mischen von Raumtonströmen |
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WO2010036059A2 (en) * | 2008-09-25 | 2010-04-01 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
MX2011011399A (es) | 2008-10-17 | 2012-06-27 | Univ Friedrich Alexander Er | Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto. |
KR101499785B1 (ko) | 2008-10-23 | 2015-03-09 | 삼성전자주식회사 | 모바일 디바이스를 위한 오디오 처리 장치 및 그 방법 |
US20100324915A1 (en) * | 2009-06-23 | 2010-12-23 | Electronic And Telecommunications Research Institute | Encoding and decoding apparatuses for high quality multi-channel audio codec |
EP2483887B1 (de) * | 2009-09-29 | 2017-07-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mpeg-saoc audiosignaldecoder, verfahren zum bereitstellen einer upmix-signaldarstellung unter verwendung einer mpeg-saoc decodierung und computerprogramm unter verwendung eines zeit-/frequenz-abhängigen gemeinsamen inter-objekt-korrelationsparameterwertes |
WO2011047886A1 (en) * | 2009-10-21 | 2011-04-28 | Dolby International Ab | Apparatus and method for generating a high frequency audio signal using adaptive oversampling |
CN102714038B (zh) * | 2009-11-20 | 2014-11-05 | 弗兰霍菲尔运输应用研究公司 | 用以基于下混信号表示型态而提供上混信号表示型态的装置、用以提供表示多声道音频信号的位流的装置、方法 |
ES2935911T3 (es) | 2010-04-09 | 2023-03-13 | Dolby Int Ab | Descodificación estéreo de predicción compleja basada en MDCT |
EP2464146A1 (de) * | 2010-12-10 | 2012-06-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Dekomposition eines Eingabesignals mit einer im Voraus berechneten Bezugskurve |
US9424852B2 (en) | 2011-02-02 | 2016-08-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Determining the inter-channel time difference of a multi-channel audio signal |
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JP5947971B2 (ja) * | 2012-04-05 | 2016-07-06 | 華為技術有限公司Huawei Technologies Co.,Ltd. | マルチチャネルオーディオ信号の符号化パラメータを決定する方法及びマルチチャネルオーディオエンコーダ |
EP2862166B1 (de) * | 2012-06-14 | 2018-03-07 | Dolby International AB | Fehlerverdeckungsstrategie in einem decodierungssystem |
US9319790B2 (en) * | 2012-12-26 | 2016-04-19 | Dts Llc | Systems and methods of frequency response correction for consumer electronic devices |
CN103533123B (zh) * | 2013-09-23 | 2018-04-06 | 陕西烽火电子股份有限公司 | 一种飞机用多接收通道通话静噪方法 |
EP2866227A1 (de) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer |
US9774974B2 (en) * | 2014-09-24 | 2017-09-26 | Electronics And Telecommunications Research Institute | Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion |
WO2017148526A1 (en) * | 2016-03-03 | 2017-09-08 | Nokia Technologies Oy | Audio signal encoder, audio signal decoder, method for encoding and method for decoding |
EP3430620B1 (de) * | 2016-03-18 | 2020-03-25 | Fraunhofer Gesellschaft zur Förderung der Angewand | Audiokodierer durch phasen-wiederherstellung mittels einer tensorstruktur auf audio spektrogrammen |
CN107452387B (zh) * | 2016-05-31 | 2019-11-12 | 华为技术有限公司 | 一种声道间相位差参数的提取方法及装置 |
CN107731238B (zh) * | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
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WO2004072956A1 (en) * | 2003-02-11 | 2004-08-26 | Koninklijke Philips Electronics N.V. | Audio coding |
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US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
US8843378B2 (en) * | 2004-06-30 | 2014-09-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Multi-channel synthesizer and method for generating a multi-channel output signal |
-
2004
- 2004-06-30 US US10/883,538 patent/US8843378B2/en active Active
-
2005
- 2005-06-13 EP EP05757240A patent/EP1649723B1/de active Active
- 2005-06-13 ES ES05757240T patent/ES2307188T3/es active Active
- 2005-06-13 KR KR1020067027932A patent/KR100913987B1/ko active IP Right Grant
- 2005-06-13 CN CN2005800152836A patent/CN1954642B/zh active Active
- 2005-06-13 MX MXPA06014968A patent/MXPA06014968A/es active IP Right Grant
- 2005-06-13 RU RU2007103341/09A patent/RU2345506C2/ru active
- 2005-06-13 DE DE602005006495T patent/DE602005006495D1/de active Active
- 2005-06-13 WO PCT/EP2005/006315 patent/WO2006002748A1/en active IP Right Grant
- 2005-06-13 AT AT05757240T patent/ATE394901T1/de active
- 2005-06-13 PT PT05757240T patent/PT1649723E/pt unknown
- 2005-06-13 CA CA2569666A patent/CA2569666C/en active Active
- 2005-06-13 JP JP2007518481A patent/JP4712799B2/ja active Active
- 2005-06-13 BR BRPI0511362A patent/BRPI0511362B1/pt active IP Right Grant
- 2005-06-13 AU AU2005259618A patent/AU2005259618B2/en active Active
-
2006
- 2006-09-28 HK HK06110779A patent/HK1090504A1/xx unknown
- 2006-10-17 IL IL178670A patent/IL178670A/en active IP Right Grant
-
2007
- 2007-01-30 NO NO20070560A patent/NO338980B1/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO338980B1 (no) | 2016-11-07 |
KR100913987B1 (ko) | 2009-08-25 |
WO2006002748A1 (en) | 2006-01-12 |
BRPI0511362B1 (pt) | 2018-12-26 |
AU2005259618B2 (en) | 2008-05-22 |
CN1954642A (zh) | 2007-04-25 |
IL178670A (en) | 2011-10-31 |
RU2345506C2 (ru) | 2009-01-27 |
JP4712799B2 (ja) | 2011-06-29 |
DE602005006495D1 (de) | 2008-06-19 |
MXPA06014968A (es) | 2007-02-08 |
EP1649723A1 (de) | 2006-04-26 |
BRPI0511362A (pt) | 2007-12-04 |
HK1090504A1 (en) | 2006-12-22 |
EP1649723B1 (de) | 2008-05-07 |
ES2307188T3 (es) | 2008-11-16 |
US8843378B2 (en) | 2014-09-23 |
CA2569666A1 (en) | 2006-01-12 |
CA2569666C (en) | 2013-07-16 |
KR20070028481A (ko) | 2007-03-12 |
IL178670A0 (en) | 2007-02-11 |
RU2007103341A (ru) | 2008-08-10 |
AU2005259618A1 (en) | 2006-01-12 |
PT1649723E (pt) | 2008-07-28 |
JP2008504578A (ja) | 2008-02-14 |
US20060004583A1 (en) | 2006-01-05 |
NO20070560L (no) | 2007-03-30 |
CN1954642B (zh) | 2010-05-12 |
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