DE602005013103D1 - Individuelle kanaltemporäre enveloppenformung für binaurale hinweiscodierungsverfahren und dergleichen - Google Patents
Individuelle kanaltemporäre enveloppenformung für binaurale hinweiscodierungsverfahren und dergleichenInfo
- Publication number
- DE602005013103D1 DE602005013103D1 DE602005013103T DE602005013103T DE602005013103D1 DE 602005013103 D1 DE602005013103 D1 DE 602005013103D1 DE 602005013103 T DE602005013103 T DE 602005013103T DE 602005013103 T DE602005013103 T DE 602005013103T DE 602005013103 D1 DE602005013103 D1 DE 602005013103D1
- Authority
- DE
- Germany
- Prior art keywords
- audio
- channel
- envelope
- channels
- temporal envelope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002123 temporal effect Effects 0.000 abstract 6
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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Outer Garments And Coats (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Time-Division Multiplex Systems (AREA)
- Steroid Compounds (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62048004P | 2004-10-20 | 2004-10-20 | |
| US11/006,482 US7720230B2 (en) | 2004-10-20 | 2004-12-07 | Individual channel shaping for BCC schemes and the like |
| PCT/EP2005/009618 WO2006045371A1 (en) | 2004-10-20 | 2005-09-07 | Individual channel temporal envelope shaping for binaural cue coding schemes and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602005013103D1 true DE602005013103D1 (de) | 2009-04-16 |
Family
ID=36180779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602005013103T Active DE602005013103D1 (de) | 2004-10-20 | 2005-09-07 | Individuelle kanaltemporäre enveloppenformung für binaurale hinweiscodierungsverfahren und dergleichen |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US7720230B2 (de) |
| EP (1) | EP1803117B1 (de) |
| JP (1) | JP4664371B2 (de) |
| KR (1) | KR100924576B1 (de) |
| CN (1) | CN101044551B (de) |
| AT (1) | ATE424606T1 (de) |
| AU (1) | AU2005299068B2 (de) |
| BR (1) | BRPI0516405B1 (de) |
| CA (1) | CA2582485C (de) |
| DE (1) | DE602005013103D1 (de) |
| DK (1) | DK1803117T3 (de) |
| ES (1) | ES2323275T3 (de) |
| HK (1) | HK1106861A1 (de) |
| IL (1) | IL182236A (de) |
| MX (1) | MX2007004726A (de) |
| NO (1) | NO338919B1 (de) |
| PL (1) | PL1803117T3 (de) |
| PT (1) | PT1803117E (de) |
| RU (1) | RU2339088C1 (de) |
| TW (1) | TWI318079B (de) |
| WO (1) | WO2006045371A1 (de) |
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| KR20070056081A (ko) * | 2004-08-31 | 2007-05-31 | 마츠시타 덴끼 산교 가부시키가이샤 | 스테레오 신호 생성 장치 및 스테레오 신호 생성 방법 |
| US20060106620A1 (en) * | 2004-10-28 | 2006-05-18 | Thompson Jeffrey K | Audio spatial environment down-mixer |
| KR100682915B1 (ko) * | 2005-01-13 | 2007-02-15 | 삼성전자주식회사 | 다채널 신호 부호화/복호화 방법 및 장치 |
| EP1691348A1 (de) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametrische kombinierte Kodierung von Audio-Quellen |
| ES2623551T3 (es) * | 2005-03-25 | 2017-07-11 | Iii Holdings 12, Llc | Dispositivo de codificación de sonido y procedimiento de codificación de sonido |
| JP4988717B2 (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 |
| EP1905002B1 (de) * | 2005-05-26 | 2013-05-22 | LG Electronics Inc. | Verfahren und vorrichtung zum decodieren von audiosignalen |
| US7974713B2 (en) * | 2005-10-12 | 2011-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Temporal and spatial shaping of multi-channel audio signals |
| US8111830B2 (en) * | 2005-12-19 | 2012-02-07 | Samsung Electronics Co., Ltd. | Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener |
| KR100644715B1 (ko) * | 2005-12-19 | 2006-11-10 | 삼성전자주식회사 | 능동적 오디오 매트릭스 디코딩 방법 및 장치 |
| US8208641B2 (en) * | 2006-01-19 | 2012-06-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| EP1989704B1 (de) * | 2006-02-03 | 2013-10-16 | Electronics and Telecommunications Research Institute | Verfahren und vorrichtung zur steuerung der wiedergabe eines mehrfachobjekts oder mehrfachkanal-audiosignals unter verwendung eines räumlichen hinweises |
| KR100863479B1 (ko) * | 2006-02-07 | 2008-10-16 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
| US9009057B2 (en) * | 2006-02-21 | 2015-04-14 | Koninklijke Philips N.V. | Audio encoding and decoding to generate binaural virtual spatial signals |
| KR100773562B1 (ko) | 2006-03-06 | 2007-11-07 | 삼성전자주식회사 | 스테레오 신호 생성 방법 및 장치 |
| WO2007107670A2 (fr) * | 2006-03-20 | 2007-09-27 | France Telecom | Procede de post-traitement d'un signal dans un decodeur audio |
| US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| US7876904B2 (en) * | 2006-07-08 | 2011-01-25 | Nokia Corporation | Dynamic decoding of binaural audio signals |
| US8417532B2 (en) | 2006-10-18 | 2013-04-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoding an information signal |
| US8041578B2 (en) | 2006-10-18 | 2011-10-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoding an information signal |
| US8126721B2 (en) | 2006-10-18 | 2012-02-28 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Encoding an information signal |
| KR101111520B1 (ko) | 2006-12-07 | 2012-05-24 | 엘지전자 주식회사 | 오디오 처리 방법 및 장치 |
| FR2911426A1 (fr) * | 2007-01-15 | 2008-07-18 | France Telecom | Modification d'un signal de parole |
| JP5198477B2 (ja) | 2007-03-05 | 2013-05-15 | 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） | 定常的な背景雑音の平滑化を制御するための方法及び装置 |
| KR101221918B1 (ko) * | 2007-11-21 | 2013-01-15 | 엘지전자 주식회사 | 신호 처리 방법 및 장치 |
| WO2009106147A1 (en) * | 2008-02-29 | 2009-09-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel power estimation means |
| CN102027535A (zh) * | 2008-04-11 | 2011-04-20 | 诺基亚公司 | 信号处理 |
| KR101499785B1 (ko) | 2008-10-23 | 2015-03-09 | 삼성전자주식회사 | 모바일 디바이스를 위한 오디오 처리 장치 및 그 방법 |
| JP4932917B2 (ja) | 2009-04-03 | 2012-05-16 | 株式会社エヌ・ティ・ティ・ドコモ | 音声復号装置、音声復号方法、及び音声復号プログラム |
| TWI433137B (zh) | 2009-09-10 | 2014-04-01 | Dolby Int Ab | 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法 |
| KR101418661B1 (ko) * | 2009-10-20 | 2014-07-14 | 돌비 인터네셔널 에이비 | 다운믹스 시그널 표현에 기초한 업믹스 시그널 표현을 제공하기 위한 장치, 멀티채널 오디오 시그널을 표현하는 비트스트림을 제공하기 위한 장치, 왜곡 제어 시그널링을 이용하는 방법들, 컴퓨터 프로그램 및 비트 스트림 |
| EP2323130A1 (de) * | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametrische Kodierung- und Dekodierung |
| FR2961980A1 (fr) * | 2010-06-24 | 2011-12-30 | France Telecom | Controle d'une boucle de retroaction de mise en forme de bruit dans un codeur de signal audionumerique |
| CN105261372B (zh) | 2010-07-02 | 2021-07-16 | 杜比国际公司 | 自适应后置滤波器 |
| DK3182409T3 (en) | 2011-02-03 | 2018-06-14 | Ericsson Telefon Ab L M | DETERMINING THE INTERCHANNEL TIME DIFFERENCE FOR A MULTI-CHANNEL SIGNAL |
| ES2555579T3 (es) | 2012-04-05 | 2016-01-05 | Huawei Technologies Co., Ltd | Codificador de audio multicanal y método para codificar una señal de audio multicanal |
| WO2014020182A2 (en) | 2012-08-03 | 2014-02-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases |
| CN110223702B (zh) * | 2013-05-24 | 2023-04-11 | 杜比国际公司 | 音频解码***和重构方法 |
| EP2830333A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mehrkanaliger Dekorrelator, mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit Vormischung von Dekorrelatoreingangssignalen |
| EP2830048A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Realisierung eines SAOC-Downmix von 3D-Audioinhalt |
| EP2830045A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Konzept zur Audiocodierung und Audiodecodierung für Audiokanäle und Audioobjekte |
| EP2830047A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur verzögerungsarmen Codierung von Objektmetadaten |
| US9961469B2 (en) | 2013-09-17 | 2018-05-01 | Wilus Institute Of Standards And Technology Inc. | Method and device for audio signal processing |
| KR101804744B1 (ko) | 2013-10-22 | 2017-12-06 | 연세대학교 산학협력단 | 오디오 신호 처리 방법 및 장치 |
| EP4246513A3 (de) | 2013-12-23 | 2023-12-13 | Wilus Institute of Standards and Technology Inc. | Audiosignalverarbeitungsverfahren, parametrisierungsvorrichtung dafür und audiosignalverarbeitungsvorrichtung |
| EP3122073B1 (de) | 2014-03-19 | 2023-12-20 | Wilus Institute of Standards and Technology Inc. | Audiosignalverarbeitungsverfahren und -vorrichtung |
| CN106165452B (zh) | 2014-04-02 | 2018-08-21 | 韦勒斯标准与技术协会公司 | 音频信号处理方法和设备 |
| EP2980794A1 (de) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor |
| TWI587286B (zh) * | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
| EA201992556A1 (ru) | 2015-10-08 | 2021-03-31 | Долби Лэборетериз Лайсенсинг Корпорейшн | Аудиодекодер и способ декодирования |
| WO2017140600A1 (en) | 2016-02-17 | 2017-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
| CN107818790B (zh) * | 2017-11-16 | 2020-08-11 | 苏州麦迪斯顿医疗科技股份有限公司 | 一种多路音频混音方法及装置 |
| TWI714046B (zh) | 2018-04-05 | 2020-12-21 | 弗勞恩霍夫爾協會 | 用於估計聲道間時間差的裝置、方法或計算機程式 |
| GB2584630A (en) * | 2019-05-29 | 2020-12-16 | Nokia Technologies Oy | Audio processing |
Family Cites Families (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4236039A (en) | 1976-07-19 | 1980-11-25 | National Research Development Corporation | Signal matrixing for directional reproduction of sound |
| CA1268546A (en) | 1985-08-30 | 1990-05-01 | Shigenobu Minami | Stereophonic voice signal transmission system |
| DE3639753A1 (de) | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
| DE3943879B4 (de) | 1989-04-17 | 2008-07-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| SG49883A1 (en) | 1991-01-08 | 1998-06-15 | Dolby Lab Licensing Corp | Encoder/decoder for multidimensional sound fields |
| DE4209544A1 (de) | 1992-03-24 | 1993-09-30 | Inst Rundfunktechnik Gmbh | Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale |
| DE4236989C2 (de) | 1992-11-02 | 1994-11-17 | Fraunhofer Ges Forschung | Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle |
| US5371799A (en) | 1993-06-01 | 1994-12-06 | Qsound Labs, Inc. | Stereo headphone sound source localization system |
| US5463424A (en) | 1993-08-03 | 1995-10-31 | Dolby Laboratories Licensing Corporation | Multi-channel transmitter/receiver system providing matrix-decoding compatible signals |
| JP3227942B2 (ja) | 1993-10-26 | 2001-11-12 | ソニー株式会社 | 高能率符号化装置 |
| DE4409368A1 (de) * | 1994-03-18 | 1995-09-21 | Fraunhofer Ges Forschung | Verfahren zum Codieren mehrerer Audiosignale |
| JP3277679B2 (ja) | 1994-04-15 | 2002-04-22 | ソニー株式会社 | 高能率符号化方法と高能率符号化装置及び高能率復号化方法と高能率復号化装置 |
| JPH0969783A (ja) | 1995-08-31 | 1997-03-11 | Nippon Steel Corp | オーディオデータ符号化装置 |
| US5956674A (en) | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| US5771295A (en) | 1995-12-26 | 1998-06-23 | Rocktron Corporation | 5-2-5 matrix system |
| US7012630B2 (en) | 1996-02-08 | 2006-03-14 | Verizon Services Corp. | Spatial sound conference system and apparatus |
| JP3793235B2 (ja) | 1996-02-08 | 2006-07-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ２チャネル伝送及び１チャネル伝送に適合するｎチャネル伝送 |
| US5825776A (en) | 1996-02-27 | 1998-10-20 | Ericsson Inc. | Circuitry and method for transmitting voice and data signals upon a wireless communication channel |
| US5889843A (en) | 1996-03-04 | 1999-03-30 | Interval Research Corporation | Methods and systems for creating a spatial auditory environment in an audio conference system |
| US5812971A (en) | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
| US6697491B1 (en) | 1996-07-19 | 2004-02-24 | Harman International Industries, Incorporated | 5-2-5 matrix encoder and decoder system |
| JP3707153B2 (ja) | 1996-09-24 | 2005-10-19 | ソニー株式会社 | ベクトル量子化方法、音声符号化方法及び装置 |
| SG54379A1 (en) | 1996-10-24 | 1998-11-16 | Sgs Thomson Microelectronics A | Audio decoder with an adaptive frequency domain downmixer |
| SG54383A1 (en) | 1996-10-31 | 1998-11-16 | Sgs Thomson Microelectronics A | Method and apparatus for decoding multi-channel audio data |
| US5912976A (en) | 1996-11-07 | 1999-06-15 | Srs Labs, Inc. | Multi-channel audio enhancement system for use in recording and playback and methods for providing same |
| US6131084A (en) | 1997-03-14 | 2000-10-10 | Digital Voice Systems, Inc. | Dual subframe quantization of spectral magnitudes |
| US6111958A (en) | 1997-03-21 | 2000-08-29 | Euphonics, Incorporated | Audio spatial enhancement apparatus and methods |
| US5860060A (en) | 1997-05-02 | 1999-01-12 | Texas Instruments Incorporated | Method for left/right channel self-alignment |
| US5946352A (en) | 1997-05-02 | 1999-08-31 | Texas Instruments Incorporated | Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain |
| US6108584A (en) | 1997-07-09 | 2000-08-22 | Sony Corporation | Multichannel digital audio decoding method and apparatus |
| DE19730130C2 (de) | 1997-07-14 | 2002-02-28 | Fraunhofer Ges Forschung | Verfahren zum Codieren eines Audiosignals |
| US5890125A (en) | 1997-07-16 | 1999-03-30 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method |
| US6021389A (en) | 1998-03-20 | 2000-02-01 | Scientific Learning Corp. | Method and apparatus that exaggerates differences between sounds to train listener to recognize and identify similar sounds |
| US6016473A (en) | 1998-04-07 | 2000-01-18 | Dolby; Ray M. | Low bit-rate spatial coding method and system |
| TW444511B (en) | 1998-04-14 | 2001-07-01 | Inst Information Industry | Multi-channel sound effect simulation equipment and method |
| JP3657120B2 (ja) | 1998-07-30 | 2005-06-08 | 株式会社アーニス・サウンド・テクノロジーズ | 左，右両耳用のオーディオ信号を音像定位させるための処理方法 |
| JP2000152399A (ja) | 1998-11-12 | 2000-05-30 | Yamaha Corp | 音場効果制御装置 |
| US6408327B1 (en) | 1998-12-22 | 2002-06-18 | Nortel Networks Limited | Synthetic stereo conferencing over LAN/WAN |
| US6282631B1 (en) | 1998-12-23 | 2001-08-28 | National Semiconductor Corporation | Programmable RISC-DSP architecture |
| US6539357B1 (en) | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
| JP4438127B2 (ja) | 1999-06-18 | 2010-03-24 | ソニー株式会社 | 音声符号化装置及び方法、音声復号装置及び方法、並びに記録媒体 |
| US6823018B1 (en) | 1999-07-28 | 2004-11-23 | At&T Corp. | Multiple description coding communication system |
| US6434191B1 (en) | 1999-09-30 | 2002-08-13 | Telcordia Technologies, Inc. | Adaptive layered coding for voice over wireless IP applications |
| US6978236B1 (en) * | 1999-10-01 | 2005-12-20 | Coding Technologies Ab | Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| US6614936B1 (en) | 1999-12-03 | 2003-09-02 | Microsoft Corporation | System and method for robust video coding using progressive fine-granularity scalable (PFGS) coding |
| US6498852B2 (en) | 1999-12-07 | 2002-12-24 | Anthony Grimani | Automatic LFE audio signal derivation system |
| US6845163B1 (en) | 1999-12-21 | 2005-01-18 | At&T Corp | Microphone array for preserving soundfield perceptual cues |
| US6782366B1 (en) | 2000-05-15 | 2004-08-24 | Lsi Logic Corporation | Method for independent dynamic range control |
| US6850496B1 (en) | 2000-06-09 | 2005-02-01 | Cisco Technology, Inc. | Virtual conference room for voice conferencing |
| US6973184B1 (en) | 2000-07-11 | 2005-12-06 | Cisco Technology, Inc. | System and method for stereo conferencing over low-bandwidth links |
| US7236838B2 (en) | 2000-08-29 | 2007-06-26 | Matsushita Electric Industrial Co., Ltd. | Signal processing apparatus, signal processing method, program and recording medium |
| JP3426207B2 (ja) | 2000-10-26 | 2003-07-14 | 三菱電機株式会社 | 音声符号化方法および装置 |
| TW510144B (en) | 2000-12-27 | 2002-11-11 | C Media Electronics Inc | Method and structure to output four-channel analog signal using two channel audio hardware |
| US7006636B2 (en) | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| US7292901B2 (en) | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US7116787B2 (en) | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
| US20030035553A1 (en) | 2001-08-10 | 2003-02-20 | Frank Baumgarte | Backwards-compatible perceptual coding of spatial cues |
| US6934676B2 (en) | 2001-05-11 | 2005-08-23 | Nokia Mobile Phones Ltd. | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| US7668317B2 (en) | 2001-05-30 | 2010-02-23 | Sony Corporation | Audio post processing in DVD, DTV and other audio visual products |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| KR20040080003A (ko) | 2002-02-18 | 2004-09-16 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 파라메트릭 오디오 코딩 |
| US20030187663A1 (en) | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
| CN1647156B (zh) | 2002-04-22 | 2010-05-26 | 皇家飞利浦电子股份有限公司 | 参数编码方法、参数编码器、用于提供音频信号的设备、解码方法、解码器、用于提供解码后的多声道音频信号的设备 |
| EP2879299B1 (de) | 2002-05-03 | 2017-07-26 | Harman International Industries, Incorporated | Mehrkanalige Abwärtsmischungsvorrichtung |
| US6940540B2 (en) | 2002-06-27 | 2005-09-06 | Microsoft Corporation | Speaker detection and tracking using audiovisual data |
| AU2003244932A1 (en) | 2002-07-12 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Audio coding |
| CN1669358A (zh) | 2002-07-16 | 2005-09-14 | 皇家飞利浦电子股份有限公司 | 音频编码 |
| WO2004008437A2 (en) * | 2002-07-16 | 2004-01-22 | Koninklijke Philips Electronics N.V. | Audio coding |
| ES2278192T3 (es) | 2002-11-28 | 2007-08-01 | Koninklijke Philips Electronics N.V. | Codificacion de una señal de audio. |
| CN1748247B (zh) * | 2003-02-11 | 2011-06-15 | 皇家飞利浦电子股份有限公司 | 音频编码 |
| FI118247B (fi) | 2003-02-26 | 2007-08-31 | Fraunhofer Ges Forschung | Menetelmä luonnollisen tai modifioidun tilavaikutelman aikaansaamiseksi monikanavakuuntelussa |
| WO2004086817A2 (en) | 2003-03-24 | 2004-10-07 | Koninklijke Philips Electronics N.V. | Coding of main and side signal representing a multichannel signal |
| US20050069143A1 (en) | 2003-09-30 | 2005-03-31 | Budnikov Dmitry N. | Filtering for spatial audio rendering |
| JP4767687B2 (ja) * | 2003-10-07 | 2011-09-07 | パナソニック株式会社 | スペクトル包絡線符号化のための時間境界及び周波数分解能の決定方法 |
| 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 |
| US7840401B2 (en) * | 2005-10-24 | 2010-11-23 | Lg Electronics Inc. | Removing time delays in signal paths |
-
2004
- 2004-12-07 US US11/006,482 patent/US7720230B2/en active Active
-
2005
- 2005-09-07 CN CN2005800357018A patent/CN101044551B/zh active Active
- 2005-09-07 RU RU2007118679/09A patent/RU2339088C1/ru active
- 2005-09-07 BR BRPI0516405-2A patent/BRPI0516405B1/pt active IP Right Grant
- 2005-09-07 PL PL05792350T patent/PL1803117T3/pl unknown
- 2005-09-07 DE DE602005013103T patent/DE602005013103D1/de active Active
- 2005-09-07 JP JP2007537133A patent/JP4664371B2/ja active Active
- 2005-09-07 EP EP05792350A patent/EP1803117B1/de active Active
- 2005-09-07 DK DK05792350T patent/DK1803117T3/da active
- 2005-09-07 CA CA2582485A patent/CA2582485C/en active Active
- 2005-09-07 PT PT05792350T patent/PT1803117E/pt unknown
- 2005-09-07 AU AU2005299068A patent/AU2005299068B2/en active Active
- 2005-09-07 AT AT05792350T patent/ATE424606T1/de active
- 2005-09-07 MX MX2007004726A patent/MX2007004726A/es active IP Right Grant
- 2005-09-07 WO PCT/EP2005/009618 patent/WO2006045371A1/en active Application Filing
- 2005-09-07 ES ES05792350T patent/ES2323275T3/es active Active
- 2005-09-07 KR KR1020077008410A patent/KR100924576B1/ko active IP Right Grant
- 2005-10-19 TW TW094136500A patent/TWI318079B/zh active
-
2007
- 2007-03-21 NO NO20071493A patent/NO338919B1/no unknown
- 2007-03-27 IL IL182236A patent/IL182236A/en active IP Right Grant
- 2007-12-28 HK HK07114229.7A patent/HK1106861A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2582485A1 (en) | 2006-05-04 |
| BRPI0516405A8 (pt) | 2018-07-31 |
| KR20070061872A (ko) | 2007-06-14 |
| EP1803117A1 (de) | 2007-07-04 |
| CA2582485C (en) | 2012-05-15 |
| TWI318079B (en) | 2009-12-01 |
| MX2007004726A (es) | 2007-09-07 |
| BRPI0516405B1 (pt) | 2019-09-17 |
| PL1803117T3 (pl) | 2009-08-31 |
| WO2006045371A1 (en) | 2006-05-04 |
| ATE424606T1 (de) | 2009-03-15 |
| HK1106861A1 (en) | 2008-03-20 |
| NO20071493L (no) | 2007-05-22 |
| KR100924576B1 (ko) | 2009-11-02 |
| NO338919B1 (no) | 2016-10-31 |
| AU2005299068A1 (en) | 2006-05-04 |
| US7720230B2 (en) | 2010-05-18 |
| TW200628001A (en) | 2006-08-01 |
| IL182236A (en) | 2011-08-31 |
| AU2005299068B2 (en) | 2008-10-30 |
| ES2323275T3 (es) | 2009-07-10 |
| US20060083385A1 (en) | 2006-04-20 |
| CN101044551B (zh) | 2012-02-08 |
| PT1803117E (pt) | 2009-06-15 |
| RU2339088C1 (ru) | 2008-11-20 |
| BRPI0516405A (pt) | 2008-09-02 |
| EP1803117B1 (de) | 2009-03-04 |
| IL182236A0 (en) | 2007-09-20 |
| DK1803117T3 (da) | 2009-06-22 |
| JP4664371B2 (ja) | 2011-04-06 |
| JP2008517333A (ja) | 2008-05-22 |
| CN101044551A (zh) | 2007-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE602005013103D1 (de) | Individuelle kanaltemporäre enveloppenformung für binaurale hinweiscodierungsverfahren und dergleichen | |
| TW200631449A (en) | Compact side information for parametric coding of spatialaudio | |
| DE602005010894D1 (de) | Diffusschall-einhüllenden-formgebung für binaurale hinweis-codierungsverfahren und dergleichen | |
| NO20180990A1 (no) | Kompatibel flerkanal-koding/dekoding. | |
| TW200641795A (en) | Parametric coding of spatial audio with cues based on transmitted channels | |
| BRPI0608036A2 (pt) | dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio | |
| TW200625275A (en) | Cue-based audio coding/decoding | |
| MY145083A (en) | Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information. | |
| BR0305434A (pt) | Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem | |
| DE602006015294D1 (de) | Mehrkanal-audiocodierung | |
| MX2007003063A (es) | Codificacion combinada de audio que minimiza la distorsion perceptual. | |
| BRPI0516658A (pt) | aparelho de codificação de estéreo, aparelho de decodificação de estéreo e seus métodos | |
| BR112022000230A2 (pt) | Codificação e decodificação de fluxos de bits de ivas | |
| WO2002025953A3 (en) | Video and audio transcoder | |
| ZA202213859B (en) | Audio decoder, audio encoder, and related methods using joint coding of scale parameters for channels of a multi-channel audio signal | |
| TW200625954A (en) | Video playback apparatus and video playback method | |
| KR101512842B1 (ko) | 디지털 오디오 전송시스템 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |