NO339914B1 - Fremgangsmåte for signalforming i flerkanal audiogjenoppretting - Google Patents
Fremgangsmåte for signalforming i flerkanal audiogjenoppretting Download PDFInfo
- Publication number
- NO339914B1 NO339914B1 NO20084409A NO20084409A NO339914B1 NO 339914 B1 NO339914 B1 NO 339914B1 NO 20084409 A NO20084409 A NO 20084409A NO 20084409 A NO20084409 A NO 20084409A NO 339914 B1 NO339914 B1 NO 339914B1
- Authority
- NO
- Norway
- Prior art keywords
- channel
- direct
- signal
- information
- downmix
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 43
- 238000011084 recovery Methods 0.000 title description 9
- 230000015572 biosynthetic process Effects 0.000 title description 3
- 230000002123 temporal effect Effects 0.000 claims abstract description 40
- 239000003607 modifier Substances 0.000 claims description 31
- 230000003595 spectral effect Effects 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims 2
- 230000001052 transient effect Effects 0.000 description 24
- 238000007493 shaping process Methods 0.000 description 20
- 238000012545 processing Methods 0.000 description 10
- 238000001228 spectrum Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- 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
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
-
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78709606P | 2006-03-28 | 2006-03-28 | |
| PCT/EP2006/004732 WO2007110101A1 (en) | 2006-03-28 | 2006-05-18 | Enhanced method for signal shaping in multi-channel audio reconstruction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20084409L NO20084409L (no) | 2008-10-21 |
| NO339914B1 true NO339914B1 (no) | 2017-02-13 |
Family
ID=36649469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20084409A NO339914B1 (no) | 2006-03-28 | 2008-10-21 | Fremgangsmåte for signalforming i flerkanal audiogjenoppretting |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US8116459B2 (enExample) |
| EP (1) | EP1999997B1 (enExample) |
| JP (1) | JP5222279B2 (enExample) |
| KR (1) | KR101001835B1 (enExample) |
| CN (1) | CN101406073B (enExample) |
| AT (1) | ATE505912T1 (enExample) |
| AU (1) | AU2006340728B2 (enExample) |
| BR (1) | BRPI0621499B1 (enExample) |
| CA (1) | CA2646961C (enExample) |
| DE (1) | DE602006021347D1 (enExample) |
| ES (1) | ES2362920T3 (enExample) |
| IL (1) | IL194064A (enExample) |
| MX (1) | MX2008012324A (enExample) |
| MY (1) | MY143234A (enExample) |
| NO (1) | NO339914B1 (enExample) |
| PL (1) | PL1999997T3 (enExample) |
| RU (1) | RU2393646C1 (enExample) |
| TW (1) | TWI314024B (enExample) |
| WO (1) | WO2007110101A1 (enExample) |
| ZA (1) | ZA200809187B (enExample) |
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP1905002B1 (en) * | 2005-05-26 | 2013-05-22 | LG Electronics Inc. | Method and apparatus for decoding audio signal |
| 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 |
| US8577483B2 (en) * | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
| MX2008002760A (es) | 2005-08-30 | 2008-04-07 | Lg Electronics Inc | Metodo para decodificar una senal de audio. |
| US7788107B2 (en) * | 2005-08-30 | 2010-08-31 | Lg Electronics Inc. | Method for decoding an audio signal |
| KR20070077134A (ko) | 2006-01-19 | 2007-07-25 | 엘지전자 주식회사 | 미디어 신호의 처리 방법 및 장치 |
| US8296156B2 (en) * | 2006-02-07 | 2012-10-23 | Lg Electronics, Inc. | Apparatus and method for encoding/decoding signal |
| EP1999997B1 (en) | 2006-03-28 | 2011-04-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Enhanced method for signal shaping in multi-channel audio reconstruction |
| EP2070080A4 (en) | 2006-09-29 | 2009-10-14 | Lg Electronics Inc | METHOD AND DEVICES FOR CODING AND DECODING OBJECT BASED AUDIO SIGNALS |
| US8571875B2 (en) | 2006-10-18 | 2013-10-29 | Samsung Electronics Co., Ltd. | Method, medium, and apparatus encoding and/or decoding multichannel audio signals |
| FR2911020B1 (fr) * | 2006-12-28 | 2009-05-01 | Actimagine Soc Par Actions Sim | Procede et dispositif de codage audio |
| FR2911031B1 (fr) * | 2006-12-28 | 2009-04-10 | Actimagine Soc Par Actions Sim | Procede et dispositif de codage audio |
| WO2009075511A1 (en) * | 2007-12-09 | 2009-06-18 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
| US8615316B2 (en) | 2008-01-23 | 2013-12-24 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
| CN101662688B (zh) * | 2008-08-13 | 2012-10-03 | 韩国电子通信研究院 | 音频信号的编码和解码方法及其装置 |
| EP2347410B1 (en) * | 2008-09-11 | 2018-04-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues |
| US8023660B2 (en) | 2008-09-11 | 2011-09-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues |
| EP2359608B1 (en) * | 2008-12-11 | 2021-05-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for generating a multi-channel audio signal |
| KR101611602B1 (ko) * | 2008-12-22 | 2016-04-26 | 코닌클리케 필립스 엔.브이. | 원단 토커 신호와 조합된 신호 간의 음향 결합의 결정 |
| PL2446435T3 (pl) * | 2009-06-24 | 2013-11-29 | Fraunhofer Ges Forschung | Dekoder sygnału audio, sposób dekodowania sygnału audio i program komputerowy wykorzystujący kaskadowe etapy przetwarzania obiektów audio |
| WO2011083979A2 (en) | 2010-01-06 | 2011-07-14 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
| EP2360681A1 (en) | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
| JP5508550B2 (ja) * | 2010-02-24 | 2014-06-04 | 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 | 拡張ダウンミックス信号を発生するための装置、拡張ダウンミックス信号を発生するための方法及びコンピュータプログラム |
| EP2369861B1 (en) * | 2010-03-25 | 2016-07-27 | Nxp B.V. | Multi-channel audio signal processing |
| KR102033071B1 (ko) * | 2010-08-17 | 2019-10-16 | 한국전자통신연구원 | 멀티 채널 오디오 호환 시스템 및 방법 |
| PT2609591T (pt) | 2010-08-25 | 2016-07-12 | Fraunhofer Ges Forschung | Aparelho para a geração de um sinal descorrelacionado utilizando informação de fase transmitida |
| CN103262158B (zh) | 2010-09-28 | 2015-07-29 | 华为技术有限公司 | 对解码的多声道音频信号或立体声信号进行后处理的装置和方法 |
| US9078077B2 (en) | 2010-10-21 | 2015-07-07 | Bose Corporation | Estimation of synthetic audio prototypes with frequency-based input signal decomposition |
| US8675881B2 (en) * | 2010-10-21 | 2014-03-18 | Bose Corporation | Estimation of synthetic audio prototypes |
| KR101227932B1 (ko) * | 2011-01-14 | 2013-01-30 | 전자부품연구원 | 다채널 멀티트랙 오디오 시스템 및 오디오 처리 방법 |
| EP2477188A1 (en) * | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of slot positions of events in an audio signal frame |
| US9311923B2 (en) * | 2011-05-19 | 2016-04-12 | Dolby Laboratories Licensing Corporation | Adaptive audio processing based on forensic detection of media processing history |
| CN103620673B (zh) * | 2011-06-24 | 2016-04-27 | 皇家飞利浦有限公司 | 用于处理已编码多声道音频信号的音频信号处理器和用于音频信号处理器的方法 |
| KR101842257B1 (ko) * | 2011-09-14 | 2018-05-15 | 삼성전자주식회사 | 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치 |
| EP2951828B1 (en) * | 2013-01-29 | 2019-03-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded signal and method of encoding using compact selection side information |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| EP2956935B1 (en) | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| CA2914771C (en) | 2013-06-10 | 2018-07-17 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding |
| KR101789085B1 (ko) * | 2013-06-10 | 2017-11-20 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. | 분포 양자화 및 코딩을 사용하는 오디오 신호 엔벨로프의 분할에 의한 오디오 신호 엔벨로프 인코딩, 처리 및 디코딩을 위한 장치 및 방법 |
| EP2830046A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding an encoded audio signal to obtain modified output signals |
| EP2830334A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| KR101829822B1 (ko) * | 2013-07-22 | 2018-03-29 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 다채널 오디오 디코더, 다채널 오디오 인코더, 방법, 컴퓨터 프로그램 및 렌더링된 오디오 신호들의 역상관을 사용하는 인코딩된 오디오 표현 |
| AU2014329890B2 (en) | 2013-10-03 | 2017-10-26 | Dolby Laboratories Licensing Corporation | Adaptive diffuse signal generation in an upmixer |
| EP3074970B1 (en) | 2013-10-21 | 2018-02-21 | Dolby International AB | Audio encoder and decoder |
| ES2660778T3 (es) | 2013-10-21 | 2018-03-26 | Dolby International Ab | Reconstrucción paramétrica de señales de audio |
| JP6035270B2 (ja) * | 2014-03-24 | 2016-11-30 | 株式会社Ｎｔｔドコモ | 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム |
| EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| EP3201918B1 (en) * | 2014-10-02 | 2018-12-12 | Dolby International AB | Decoding method and decoder for dialog enhancement |
| PT3417544T (pt) | 2016-02-17 | 2020-03-02 | Fraunhofer Ges Forschung | Pós-processador, pré-processador, codificador de áudio, descodificador de áudio e métodos relacionados para aprimoramento do processamento de transiente |
| CN108604454B (zh) * | 2016-03-16 | 2020-12-15 | 华为技术有限公司 | 音频信号处理装置和输入音频信号处理方法 |
| US11232804B2 (en) | 2017-07-03 | 2022-01-25 | Dolby International Ab | Low complexity dense transient events detection and coding |
| CN110246508B (zh) * | 2019-06-14 | 2021-08-31 | 腾讯音乐娱乐科技（深圳）有限公司 | 一种信号调制方法、装置和存储介质 |
| JP7657579B2 (ja) * | 2020-12-08 | 2025-04-07 | 株式会社タムラ製作所 | 音声信号処理装置、音声信号処理プログラム |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004097794A2 (en) * | 2003-04-30 | 2004-11-11 | Coding Technologies Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4217276C1 (enExample) | 1992-05-25 | 1993-04-08 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | |
| DE4236989C2 (de) | 1992-11-02 | 1994-11-17 | Fraunhofer Ges Forschung | Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle |
| US5794180A (en) * | 1996-04-30 | 1998-08-11 | Texas Instruments Incorporated | Signal quantizer wherein average level replaces subframe steady-state levels |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| DE19747132C2 (de) * | 1997-10-24 | 2002-11-28 | Fraunhofer Ges Forschung | Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms |
| KR100335609B1 (ko) | 1997-11-20 | 2002-10-04 | 삼성전자 주식회사 | 비트율조절이가능한오디오부호화/복호화방법및장치 |
| US7292901B2 (en) * | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| TW569551B (en) | 2001-09-25 | 2004-01-01 | Roger Wallace Dressler | Method and apparatus for multichannel logic matrix decoding |
| US7039204B2 (en) * | 2002-06-24 | 2006-05-02 | Agere Systems Inc. | Equalization for audio mixing |
| AU2005219956B2 (en) * | 2004-03-01 | 2009-05-28 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
| TWI497485B (zh) | 2004-08-25 | 2015-08-21 | Dolby Lab Licensing Corp | 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法 |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| ATE421845T1 (de) * | 2005-04-15 | 2009-02-15 | Dolby Sweden Ab | Zeitliche hüllkurvenformgebung von entkorrelierten signalen |
| EP1999997B1 (en) | 2006-03-28 | 2011-04-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Enhanced method for signal shaping in multi-channel audio reconstruction |
-
2006
- 2006-05-18 EP EP06742984A patent/EP1999997B1/en active Active
- 2006-05-18 AU AU2006340728A patent/AU2006340728B2/en active Active
- 2006-05-18 CA CA2646961A patent/CA2646961C/en active Active
- 2006-05-18 KR KR1020087023892A patent/KR101001835B1/ko active Active
- 2006-05-18 MX MX2008012324A patent/MX2008012324A/es active IP Right Grant
- 2006-05-18 US US11/384,000 patent/US8116459B2/en active Active
- 2006-05-18 JP JP2009501862A patent/JP5222279B2/ja active Active
- 2006-05-18 RU RU2008142565/09A patent/RU2393646C1/ru active
- 2006-05-18 CN CN200680054008XA patent/CN101406073B/zh active Active
- 2006-05-18 DE DE602006021347T patent/DE602006021347D1/de active Active
- 2006-05-18 ES ES06742984T patent/ES2362920T3/es active Active
- 2006-05-18 BR BRPI0621499-1A patent/BRPI0621499B1/pt active IP Right Grant
- 2006-05-18 PL PL06742984T patent/PL1999997T3/pl unknown
- 2006-05-18 AT AT06742984T patent/ATE505912T1/de not_active IP Right Cessation
- 2006-05-18 WO PCT/EP2006/004732 patent/WO2007110101A1/en not_active Ceased
- 2006-07-18 MY MYPI20063425A patent/MY143234A/en unknown
- 2006-08-24 TW TW095131068A patent/TWI314024B/zh active
-
2008
- 2008-09-14 IL IL194064A patent/IL194064A/en active IP Right Grant
- 2008-10-21 NO NO20084409A patent/NO339914B1/no unknown
- 2008-10-27 ZA ZA200809187A patent/ZA200809187B/xx unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004097794A2 (en) * | 2003-04-30 | 2004-11-11 | Coding Technologies Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2393646C1 (ru) | 2010-06-27 |
| US8116459B2 (en) | 2012-02-14 |
| EP1999997B1 (en) | 2011-04-13 |
| KR101001835B1 (ko) | 2010-12-15 |
| AU2006340728B2 (en) | 2010-08-19 |
| MY143234A (en) | 2011-04-15 |
| HK1120699A1 (en) | 2009-04-03 |
| US20070236858A1 (en) | 2007-10-11 |
| CA2646961A1 (en) | 2007-10-04 |
| KR20080107446A (ko) | 2008-12-10 |
| ZA200809187B (en) | 2009-11-25 |
| PL1999997T3 (pl) | 2011-09-30 |
| RU2008142565A (ru) | 2010-05-10 |
| ES2362920T3 (es) | 2011-07-15 |
| JP2009531724A (ja) | 2009-09-03 |
| CN101406073B (zh) | 2013-01-09 |
| NO20084409L (no) | 2008-10-21 |
| BRPI0621499B1 (pt) | 2022-04-12 |
| ATE505912T1 (de) | 2011-04-15 |
| TWI314024B (en) | 2009-08-21 |
| IL194064A (en) | 2014-08-31 |
| DE602006021347D1 (de) | 2011-05-26 |
| BRPI0621499A2 (pt) | 2011-12-13 |
| AU2006340728A1 (en) | 2007-10-04 |
| CN101406073A (zh) | 2009-04-08 |
| WO2007110101A1 (en) | 2007-10-04 |
| TW200738037A (en) | 2007-10-01 |
| CA2646961C (en) | 2013-09-03 |
| MX2008012324A (es) | 2008-10-10 |
| JP5222279B2 (ja) | 2013-06-26 |
| EP1999997A1 (en) | 2008-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO339914B1 (no) | Fremgangsmåte for signalforming i flerkanal audiogjenoppretting | |
| EP1934973B1 (en) | Temporal and spatial shaping of multi-channel audio signals | |
| CN101160618B (zh) | 用于空间音频参数编码的紧凑辅助信息 | |
| CN101406074B (zh) | 解码器及相应方法、双耳解码器、包括该解码器的接收机或音频播放器及相应方法 | |
| CA2701360C (en) | Method and apparatus for generating a binaural audio signal | |
| TWI396188B (zh) | 依聆聽事件之函數控制空間音訊編碼參數的技術 | |
| JP5017121B2 (ja) | 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化 | |
| EP1803117A1 (en) | Individual channel temporal envelope shaping for binaural cue coding schemes and the like | |
| KR102482162B1 (ko) | 오디오 인코더 및 디코더 | |
| GB2485979A (en) | Spatial audio coding | |
| US8885854B2 (en) | Method, medium, and system decoding compressed multi-channel signals into 2-channel binaural signals | |
| HK1120699B (en) | Enhanced method for signal shaping in multi-channel audio reconstruction | |
| HK1117262B (en) | Temporal and spatial shaping of multi-channel audio signals | |
| HK1117262A (en) | Temporal and spatial shaping of multi-channel audio signals | |
| HK1152789A1 (en) | Multichannel audio signal decoding using de-correlated signals | |
| HK1152789B (en) | Multichannel audio signal decoding using de-correlated signals | |
| HK1163911A1 (en) | Method for representing multi-channel audio signals |