BRPI0611505A2 - reconfiguração de canal com informação secundária - Google Patents
reconfiguração de canal com informação secundária Download PDFInfo
- Publication number
- BRPI0611505A2 BRPI0611505A2 BRPI0611505-5A BRPI0611505A BRPI0611505A2 BR PI0611505 A2 BRPI0611505 A2 BR PI0611505A2 BR PI0611505 A BRPI0611505 A BR PI0611505A BR PI0611505 A2 BRPI0611505 A2 BR PI0611505A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio
- channel
- signals
- modification
- audio signal
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 261
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 90
- 230000004048 modification Effects 0.000 claims description 89
- 238000012986 modification Methods 0.000 claims description 89
- 239000011159 matrix material Substances 0.000 claims description 72
- 238000009795 derivation Methods 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 32
- 230000006870 function Effects 0.000 description 55
- 239000002131 composite material Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 238000013144 data compression Methods 0.000 description 8
- 230000009466 transformation Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000003292 diminished effect Effects 0.000 description 3
- 230000033458 reproduction Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000000844 transformation Methods 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
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68710805P | 2005-06-03 | 2005-06-03 | |
| US60/687,108 | 2005-06-03 | ||
| US71183105P | 2005-08-26 | 2005-08-26 | |
| US60/711,831 | 2005-08-26 | ||
| PCT/US2006/020882 WO2006132857A2 (en) | 2005-06-03 | 2006-05-26 | Apparatus and method for encoding audio signals with decoding instructions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0611505A2 true BRPI0611505A2 (pt) | 2010-09-08 |
Family
ID=37498915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0611505-5A BRPI0611505A2 (pt) | 2005-06-03 | 2006-05-26 | reconfiguração de canal com informação secundária |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US20080033732A1 (https=) |
| EP (1) | EP1927102A2 (https=) |
| JP (1) | JP5191886B2 (https=) |
| KR (1) | KR101251426B1 (https=) |
| CN (1) | CN101228575B (https=) |
| AU (1) | AU2006255662B2 (https=) |
| BR (1) | BRPI0611505A2 (https=) |
| CA (1) | CA2610430C (https=) |
| IL (1) | IL187724A (https=) |
| MX (1) | MX2007015118A (https=) |
| MY (1) | MY149255A (https=) |
| TW (1) | TWI424754B (https=) |
| WO (1) | WO2006132857A2 (https=) |
Families Citing this family (67)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7610205B2 (en) | 2002-02-12 | 2009-10-27 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
| CA2992051C (en) | 2004-03-01 | 2019-01-22 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
| US7508947B2 (en) | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
| TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | 杜比實驗室特許公司 | 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 |
| 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 |
| US8577686B2 (en) * | 2005-05-26 | 2013-11-05 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
| CA2610430C (en) * | 2005-06-03 | 2016-02-23 | Dolby Laboratories Licensing Corporation | Channel reconfiguration with side information |
| EP1946296A4 (en) * | 2005-09-14 | 2010-01-20 | Lg Electronics Inc | METHOD AND DEVICE FOR DECODING AN AUDIO SIGNAL |
| US20080221907A1 (en) * | 2005-09-14 | 2008-09-11 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
| TWI469133B (zh) * | 2006-01-19 | 2015-01-11 | Lg Electronics Inc | 媒體訊號處理方法及裝置 |
| KR101294022B1 (ko) * | 2006-02-03 | 2013-08-08 | 한국전자통신연구원 | 공간큐를 이용한 다객체 또는 다채널 오디오 신호의 랜더링제어 방법 및 그 장치 |
| JP5199129B2 (ja) * | 2006-02-07 | 2013-05-15 | エルジー エレクトロニクス インコーポレイティド | 符号化／復号化装置及び方法 |
| WO2007111568A2 (en) * | 2006-03-28 | 2007-10-04 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for a decoder for multi-channel surround sound |
| ATE527833T1 (de) | 2006-05-04 | 2011-10-15 | Lg Electronics Inc | Verbesserung von stereo-audiosignalen mittels neuabmischung |
| US8379868B2 (en) * | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
| US9697844B2 (en) * | 2006-05-17 | 2017-07-04 | Creative Technology Ltd | Distributed spatial audio decoder |
| US8374365B2 (en) * | 2006-05-17 | 2013-02-12 | Creative Technology Ltd | Spatial audio analysis and synthesis for binaural reproduction and format conversion |
| US20080235006A1 (en) * | 2006-08-18 | 2008-09-25 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
| JP5232791B2 (ja) | 2006-10-12 | 2013-07-10 | エルジー エレクトロニクス インコーポレイティド | ミックス信号処理装置及びその方法 |
| DE102006050068B4 (de) * | 2006-10-24 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm |
| US9009032B2 (en) * | 2006-11-09 | 2015-04-14 | Broadcom Corporation | Method and system for performing sample rate conversion |
| WO2008060111A1 (en) | 2006-11-15 | 2008-05-22 | Lg Electronics Inc. | A method and an apparatus for decoding an audio signal |
| EP2102856A4 (en) | 2006-12-07 | 2010-01-13 | Lg Electronics Inc | METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL |
| US8265941B2 (en) | 2006-12-07 | 2012-09-11 | Lg Electronics Inc. | Method and an apparatus for decoding an audio signal |
| CN101578656A (zh) | 2007-01-05 | 2009-11-11 | Lg电子株式会社 | 用于处理音频信号的装置和方法 |
| ES2358786T3 (es) | 2007-06-08 | 2011-05-13 | Dolby Laboratories Licensing Corporation | Derivación híbrida de canales de audio de sonido envolvente combinando de manera controlable componentes de señal de sonido ambiente y con decodificación matricial. |
| KR100998913B1 (ko) * | 2008-01-23 | 2010-12-08 | 엘지전자 주식회사 | 오디오 신호의 처리 방법 및 이의 장치 |
| US8615316B2 (en) | 2008-01-23 | 2013-12-24 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
| EP2083584B1 (en) | 2008-01-23 | 2010-09-15 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
| KR101230479B1 (ko) * | 2008-03-10 | 2013-02-06 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 트랜지언트 이벤트를 갖는 오디오 신호를 조작하기 위한 장치 및 방법 |
| EP2261894A4 (en) * | 2008-03-14 | 2013-01-16 | Nec Corp | SIGNAL ANALYSIS / CONTROL SYSTEM AND METHOD, SIGNAL CONTROL DEVICE AND METHOD, AND PROGRAM |
| WO2009131066A1 (ja) * | 2008-04-21 | 2009-10-29 | 日本電気株式会社 | 信号分析制御及び信号制御のシステム、装置、方法及びプログラム |
| EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| US8315396B2 (en) | 2008-07-17 | 2012-11-20 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating audio output signals using object based metadata |
| 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 |
| JP5520300B2 (ja) * | 2008-09-11 | 2014-06-11 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | マイクロホン信号に基づいて一組の空間手がかりを供給する装置、方法およびコンピュータ・プログラムと２チャンネルのオーディオ信号および一組の空間手がかりを供給する装置 |
| ATE552690T1 (de) * | 2008-09-19 | 2012-04-15 | Dolby Lab Licensing Corp | Upstream-signalverarbeitung für client- einrichtungen in einem drahtlosen kleinzellen- netz |
| CN102160115A (zh) * | 2008-09-19 | 2011-08-17 | 杜比实验室特许公司 | 对于资源受限客户机设备的上游质量增强信号处理 |
| JP5309944B2 (ja) * | 2008-12-11 | 2013-10-09 | 富士通株式会社 | オーディオ復号装置、方法、及びプログラム |
| EP2398257B1 (en) | 2008-12-18 | 2017-05-10 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
| TWI449442B (zh) | 2009-01-14 | 2014-08-11 | Dolby Lab Licensing Corp | 用於無回授之頻域主動矩陣解碼的方法與系統 |
| EP2214162A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| JP5564803B2 (ja) * | 2009-03-06 | 2014-08-06 | ソニー株式会社 | 音響機器及び音響処理方法 |
| CN102414742B (zh) | 2009-04-30 | 2013-12-25 | 杜比实验室特许公司 | 低复杂度听觉事件边界检测 |
| FR2954570B1 (fr) * | 2009-12-23 | 2012-06-08 | Arkamys | Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe |
| EP2522015B1 (en) * | 2010-01-06 | 2017-03-08 | LG Electronics Inc. | An apparatus for processing an audio signal and method thereof |
| SG2014006738A (en) | 2010-08-25 | 2014-03-28 | Fraunhofer Ges Forschung | An apparatus for encoding an audio signal having a plurality of channels |
| KR101697550B1 (ko) * | 2010-09-16 | 2017-02-02 | 삼성전자주식회사 | 멀티채널 오디오 대역폭 확장 장치 및 방법 |
| EP2523472A1 (en) * | 2011-05-13 | 2012-11-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method and computer program for generating a stereo output signal for providing additional output channels |
| WO2014104007A1 (ja) * | 2012-12-28 | 2014-07-03 | 株式会社ニコン | データ処理装置、およびデータ処理プログラム |
| 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 |
| KR20140117931A (ko) | 2013-03-27 | 2014-10-08 | 삼성전자주식회사 | 오디오 디코딩 장치 및 방법 |
| US9607624B2 (en) * | 2013-03-29 | 2017-03-28 | Apple Inc. | Metadata driven dynamic range control |
| CN104982042B (zh) * | 2013-04-19 | 2018-06-08 | 韩国电子通信研究院 | 多信道音频信号处理装置及方法 |
| WO2014171791A1 (ko) | 2013-04-19 | 2014-10-23 | 한국전자통신연구원 | 다채널 오디오 신호 처리 장치 및 방법 |
| CN105612766B (zh) | 2013-07-22 | 2018-07-27 | 弗劳恩霍夫应用研究促进协会 | 使用渲染音频信号的解相关的多声道音频解码器、多声道音频编码器、方法、以及计算机可读介质 |
| EP2830333A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| US9319819B2 (en) | 2013-07-25 | 2016-04-19 | Etri | Binaural rendering method and apparatus for decoding multi channel audio |
| EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| US9911423B2 (en) * | 2014-01-13 | 2018-03-06 | Nokia Technologies Oy | Multi-channel audio signal classifier |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| US11528574B2 (en) * | 2019-08-30 | 2022-12-13 | Sonos, Inc. | Sum-difference arrays for audio playback devices |
| US11373662B2 (en) * | 2020-11-03 | 2022-06-28 | Bose Corporation | Audio system height channel up-mixing |
| US12154104B2 (en) * | 2021-06-04 | 2024-11-26 | Philip Scott Lyren | Providing digital media with spatial audio to the blockchain |
Family Cites Families (69)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624009A (en) * | 1980-05-02 | 1986-11-18 | Figgie International, Inc. | Signal pattern encoder and classifier |
| US4464784A (en) * | 1981-04-30 | 1984-08-07 | Eventide Clockworks, Inc. | Pitch changer with glitch minimizer |
| US5040081A (en) | 1986-09-23 | 1991-08-13 | Mccutchen David | Audiovisual synchronization signal generator using audio signature comparison |
| US5055939A (en) | 1987-12-15 | 1991-10-08 | Karamon John J | Method system & apparatus for synchronizing an auxiliary sound source containing multiple language channels with motion picture film video tape or other picture source containing a sound track |
| FR2641917B1 (fr) * | 1988-12-28 | 1994-07-22 | Alcatel Transmission | Dispositif de diagnostic du canal de transmission pour modem numerique |
| WO1991020164A1 (en) | 1990-06-15 | 1991-12-26 | Auris Corp. | Method for eliminating the precedence effect in stereophonic sound systems and recording made with said method |
| US5235646A (en) * | 1990-06-15 | 1993-08-10 | Wilde Martin D | Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby |
| WO1991019989A1 (en) | 1990-06-21 | 1991-12-26 | Reynolds Software, Inc. | Method and apparatus for wave analysis and event recognition |
| EP0520068B1 (en) * | 1991-01-08 | 1996-05-15 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
| US5175769A (en) | 1991-07-23 | 1992-12-29 | Rolm Systems | Method for time-scale modification of signals |
| US5291557A (en) * | 1992-10-13 | 1994-03-01 | Dolby Laboratories Licensing Corporation | Adaptive rematrixing of matrixed audio signals |
| US5812971A (en) * | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
| US6430533B1 (en) * | 1996-05-03 | 2002-08-06 | Lsi Logic Corporation | Audio decoder core MPEG-1/MPEG-2/AC-3 functional algorithm partitioning and implementation |
| US5796844A (en) * | 1996-07-19 | 1998-08-18 | Lexicon | Multichannel active matrix sound reproduction with maximum lateral separation |
| JPH1074097A (ja) | 1996-07-26 | 1998-03-17 | Ind Technol Res Inst | オーディオ信号のパラメータを変更する方法及び装置 |
| US6049766A (en) | 1996-11-07 | 2000-04-11 | Creative Technology Ltd. | Time-domain time/pitch scaling of speech or audio signals with transient handling |
| US5862228A (en) * | 1997-02-21 | 1999-01-19 | Dolby Laboratories Licensing Corporation | Audio matrix encoding |
| US6211919B1 (en) * | 1997-03-28 | 2001-04-03 | Tektronix, Inc. | Transparent embedment of data in a video signal |
| CN1214690C (zh) * | 1997-09-05 | 2005-08-10 | 雷克西康公司 | 5－2－5矩阵编码器和解码器系统 |
| US6330672B1 (en) | 1997-12-03 | 2001-12-11 | At&T Corp. | Method and apparatus for watermarking digital bitstreams |
| TW444511B (en) * | 1998-04-14 | 2001-07-01 | Inst Information Industry | Multi-channel sound effect simulation equipment and method |
| US6624873B1 (en) * | 1998-05-05 | 2003-09-23 | Dolby Laboratories Licensing Corporation | Matrix-encoded surround-sound channels in a discrete digital sound format |
| GB2340351B (en) * | 1998-07-29 | 2004-06-09 | British Broadcasting Corp | Data transmission |
| US6266644B1 (en) | 1998-09-26 | 2001-07-24 | Liquid Audio, Inc. | Audio encoding apparatus and methods |
| SE9903552D0 (sv) | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching |
| TW510143B (en) * | 1999-12-03 | 2002-11-11 | Dolby Lab Licensing Corp | Method for deriving at least three audio signals from two input audio signals |
| FR2802329B1 (fr) * | 1999-12-08 | 2003-03-28 | France Telecom | Procede de traitement d'au moins un flux binaire audio code organise sous la forme de trames |
| US7266501B2 (en) * | 2000-03-02 | 2007-09-04 | Akiba Electronics Institute Llc | Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| KR100898879B1 (ko) | 2000-08-16 | 2009-05-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 부수 정보에 응답하여 하나 또는 그 이상의 파라메터를변조하는 오디오 또는 비디오 지각 코딩 시스템 |
| WO2004019656A2 (en) | 2001-02-07 | 2004-03-04 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
| US7610205B2 (en) * | 2002-02-12 | 2009-10-27 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
| CA2443837C (en) | 2001-04-13 | 2012-06-19 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
| US7711123B2 (en) * | 2001-04-13 | 2010-05-04 | Dolby Laboratories Licensing Corporation | Segmenting audio signals into auditory events |
| US7461002B2 (en) * | 2001-04-13 | 2008-12-02 | Dolby Laboratories Licensing Corporation | Method for time aligning audio signals using characterizations based on auditory events |
| US7283954B2 (en) * | 2001-04-13 | 2007-10-16 | Dolby Laboratories Licensing Corporation | Comparing audio using characterizations based on auditory events |
| 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 |
| WO2002093560A1 (en) | 2001-05-10 | 2002-11-21 | Dolby Laboratories Licensing Corporation | Improving transient performance of low bit rate audio coding systems by reducing pre-noise |
| MXPA03010749A (es) | 2001-05-25 | 2004-07-01 | Dolby Lab Licensing Corp | Comparacion de audio usando caracterizaciones basadas en eventos auditivos. |
| MXPA03010751A (es) | 2001-05-25 | 2005-03-07 | Dolby Lab Licensing Corp | Segmentacion de senales de audio en eventos auditivos. |
| CA2992051C (en) | 2004-03-01 | 2019-01-22 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
| TW569551B (en) * | 2001-09-25 | 2004-01-01 | Roger Wallace Dressler | Method and apparatus for multichannel logic matrix decoding |
| US20040037421A1 (en) * | 2001-12-17 | 2004-02-26 | Truman Michael Mead | Parital encryption of assembled bitstreams |
| ATE315823T1 (de) | 2002-02-18 | 2006-02-15 | Koninkl Philips Electronics Nv | Parametrische audiocodierung |
| ES2300567T3 (es) * | 2002-04-22 | 2008-06-16 | Koninklijke Philips Electronics N.V. | Representacion parametrica de audio espacial. |
| CA2488689C (en) * | 2002-06-05 | 2013-10-15 | Thomas Paddock | Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| US7072726B2 (en) * | 2002-06-19 | 2006-07-04 | Microsoft Corporation | Converting M channels of digital audio data into N channels of digital audio data |
| WO2004008806A1 (en) * | 2002-07-16 | 2004-01-22 | Koninklijke Philips Electronics N.V. | Audio coding |
| DE10236694A1 (de) * | 2002-08-09 | 2004-02-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren |
| US7454331B2 (en) * | 2002-08-30 | 2008-11-18 | Dolby Laboratories Licensing Corporation | Controlling loudness of speech in signals that contain speech and other types of audio material |
| JP4676140B2 (ja) * | 2002-09-04 | 2011-04-27 | マイクロソフト コーポレーション | オーディオの量子化および逆量子化 |
| US20060069550A1 (en) | 2003-02-06 | 2006-03-30 | Dolby Laboratories Licensing Corporation | Continuous backup audio |
| TWI329463B (en) * | 2003-05-20 | 2010-08-21 | Arc International Uk Ltd | Enhanced delivery of audio signals |
| SG185134A1 (en) | 2003-05-28 | 2012-11-29 | Dolby Lab Licensing Corp | Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal |
| US20050058307A1 (en) * | 2003-07-12 | 2005-03-17 | Samsung Electronics Co., Ltd. | Method and apparatus for constructing audio stream for mixing, and information storage medium |
| US7398207B2 (en) * | 2003-08-25 | 2008-07-08 | Time Warner Interactive Video Group, Inc. | Methods and systems for determining audio loudness levels in programming |
| US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
| 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 |
| US7617109B2 (en) | 2004-07-01 | 2009-11-10 | Dolby Laboratories Licensing Corporation | Method for correcting metadata affecting the playback loudness and dynamic range of audio information |
| US7508947B2 (en) * | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
| TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | 杜比實驗室特許公司 | 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 |
| US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
| TW200638335A (en) | 2005-04-13 | 2006-11-01 | Dolby Lab Licensing Corp | Audio metadata verification |
| TWI397903B (zh) | 2005-04-13 | 2013-06-01 | Dolby Lab Licensing Corp | 編碼音訊之節約音量測量技術 |
| CA2610430C (en) | 2005-06-03 | 2016-02-23 | Dolby Laboratories Licensing Corporation | Channel reconfiguration with side information |
| TWI396188B (zh) | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
| EP2011234B1 (en) | 2006-04-27 | 2010-12-29 | Dolby Laboratories Licensing Corporation | Audio gain control using specific-loudness-based auditory event detection |
| AU2007312598B2 (en) * | 2006-10-16 | 2011-01-20 | Dolby International Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| US8255821B2 (en) * | 2009-01-28 | 2012-08-28 | Lg Electronics Inc. | Method and an apparatus for decoding an audio signal |
-
2006
- 2006-05-26 CA CA2610430A patent/CA2610430C/en not_active Expired - Fee Related
- 2006-05-26 KR KR1020077030480A patent/KR101251426B1/ko not_active Expired - Fee Related
- 2006-05-26 JP JP2008514770A patent/JP5191886B2/ja not_active Expired - Fee Related
- 2006-05-26 WO PCT/US2006/020882 patent/WO2006132857A2/en not_active Ceased
- 2006-05-26 MX MX2007015118A patent/MX2007015118A/es active IP Right Grant
- 2006-05-26 EP EP06771568A patent/EP1927102A2/en not_active Withdrawn
- 2006-05-26 AU AU2006255662A patent/AU2006255662B2/en not_active Ceased
- 2006-05-26 BR BRPI0611505-5A patent/BRPI0611505A2/pt not_active IP Right Cessation
- 2006-05-26 CN CN2006800266155A patent/CN101228575B/zh not_active Expired - Fee Related
- 2006-05-29 MY MYPI20062455A patent/MY149255A/en unknown
- 2006-05-30 TW TW095119160A patent/TWI424754B/zh not_active IP Right Cessation
-
2007
- 2007-07-31 US US11/888,662 patent/US20080033732A1/en not_active Abandoned
- 2007-11-28 IL IL187724A patent/IL187724A/en not_active IP Right Cessation
- 2007-12-03 US US11/999,159 patent/US8280743B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TWI424754B (zh) | 2014-01-21 |
| US8280743B2 (en) | 2012-10-02 |
| AU2006255662B2 (en) | 2012-08-23 |
| EP1927102A2 (en) | 2008-06-04 |
| CA2610430A1 (en) | 2006-12-14 |
| MX2007015118A (es) | 2008-02-14 |
| MY149255A (en) | 2013-07-31 |
| IL187724A0 (en) | 2008-08-07 |
| CN101228575A (zh) | 2008-07-23 |
| JP2008543227A (ja) | 2008-11-27 |
| TW200715901A (en) | 2007-04-16 |
| JP5191886B2 (ja) | 2013-05-08 |
| US20080097750A1 (en) | 2008-04-24 |
| AU2006255662A1 (en) | 2006-12-14 |
| KR20080015886A (ko) | 2008-02-20 |
| WO2006132857A2 (en) | 2006-12-14 |
| US20080033732A1 (en) | 2008-02-07 |
| CN101228575B (zh) | 2012-09-26 |
| CA2610430C (en) | 2016-02-23 |
| IL187724A (en) | 2015-03-31 |
| WO2006132857A3 (en) | 2007-05-24 |
| KR101251426B1 (ko) | 2013-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0611505A2 (pt) | reconfiguração de canal com informação secundária | |
| US8175280B2 (en) | Generation of spatial downmixes from parametric representations of multi channel signals | |
| EP1927266B1 (en) | Audio coding | |
| JP4589962B2 (ja) | レベル・パラメータを生成する装置と方法、及びマルチチャネル表示を生成する装置と方法 | |
| KR102713312B1 (ko) | 오디오 디코더 및 디코딩 방법 | |
| JP7652849B2 (ja) | バイノーラル・ダイアログ向上 | |
| JP5284638B2 (ja) | 方法、デバイス、エンコーダ装置、デコーダ装置、及びオーディオシステム | |
| NO344760B1 (no) | Kompatibel flerkanal-koding/dekoding. | |
| US11056122B2 (en) | Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal | |
| KR20080031366A (ko) | 청각 이벤트의 함수에 따라서 공간 오디오 코딩파라미터들을 제어 | |
| WO2014041067A1 (en) | Apparatus and method for providing enhanced guided downmix capabilities for 3d audio | |
| MX2008011994A (es) | Generacion de mezclas descendentes espaciales a partir de representaciones parametricas de señales de multicanal. | |
| HK40121700A (en) | Binaural dialoague enhancement | |
| HK1122174B (en) | Generation of spatial downmixes from parametric representations of multi channel signals | |
| HK1178307A (en) | Extraction of a direct/ambience signal from a downmix signal and spatial parametric information | |
| HK1178307B (en) | Extraction of a direct/ambience signal from a downmix signal and spatial parametric information |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 12A ANUIDADE. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |