TWI396188B - 依聆聽事件之函數控制空間音訊編碼參數的技術 - Google Patents
依聆聽事件之函數控制空間音訊編碼參數的技術 Download PDFInfo
- Publication number
- TWI396188B TWI396188B TW095126004A TW95126004A TWI396188B TW I396188 B TWI396188 B TW I396188B TW 095126004 A TW095126004 A TW 095126004A TW 95126004 A TW95126004 A TW 95126004A TW I396188 B TWI396188 B TW I396188B
- Authority
- TW
- Taiwan
- Prior art keywords
- audio
- channel
- signal
- listening
- event
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 42
- 230000003595 spectral effect Effects 0.000 claims description 34
- 230000008859 change Effects 0.000 claims description 26
- 230000004044 response Effects 0.000 claims description 15
- 230000005236 sound signal Effects 0.000 claims description 13
- 238000001228 spectrum Methods 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000003672 processing method Methods 0.000 claims 1
- 108091006146 Channels Proteins 0.000 description 152
- 230000006870 function Effects 0.000 description 76
- 239000013598 vector Substances 0.000 description 29
- 238000004458 analytical method Methods 0.000 description 27
- 239000011159 matrix material Substances 0.000 description 17
- 238000001914 filtration Methods 0.000 description 15
- 230000003993 interaction Effects 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000009499 grossing Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000013707 sensory perception of sound Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
- 238000010792 warming 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
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70507905P | 2005-08-02 | 2005-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200713201A TW200713201A (en) | 2007-04-01 |
| TWI396188B true TWI396188B (zh) | 2013-05-11 |
Family
ID=37709127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095126004A TWI396188B (zh) | 2005-08-02 | 2006-07-17 | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20090222272A1 (enExample) |
| EP (2) | EP1941498A2 (enExample) |
| JP (1) | JP5189979B2 (enExample) |
| KR (1) | KR101256555B1 (enExample) |
| CN (1) | CN101410889B (enExample) |
| MY (1) | MY165339A (enExample) |
| TW (1) | TWI396188B (enExample) |
| WO (1) | WO2007016107A2 (enExample) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7283954B2 (en) | 2001-04-13 | 2007-10-16 | Dolby Laboratories Licensing Corporation | Comparing audio using characterizations based on auditory events |
| US7610205B2 (en) | 2002-02-12 | 2009-10-27 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
| US7461002B2 (en) | 2001-04-13 | 2008-12-02 | Dolby Laboratories Licensing Corporation | Method for time aligning audio signals using characterizations based on auditory events |
| JP4867914B2 (ja) | 2004-03-01 | 2012-02-01 | ドルビー ラボラトリーズ ライセンシング コーポレイション | マルチチャンネルオーディオコーディング |
| US7508947B2 (en) | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
| AU2006255662B2 (en) | 2005-06-03 | 2012-08-23 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| CN101411214B (zh) * | 2006-03-28 | 2011-08-10 | 艾利森电话股份有限公司 | 用于多信道环绕声音的解码器的方法和装置 |
| MX2008013753A (es) | 2006-04-27 | 2009-03-06 | Dolby Lab Licensing Corp | Control de ganancia de audio que utiliza deteccion de evento auditivo basado en intensidad acustica especifica. |
| KR20080082924A (ko) | 2007-03-09 | 2008-09-12 | 엘지전자 주식회사 | 오디오 신호의 처리 방법 및 장치 |
| KR20080082916A (ko) | 2007-03-09 | 2008-09-12 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 이의 장치 |
| EP2162882B1 (en) | 2007-06-08 | 2010-12-29 | Dolby Laboratories Licensing Corporation | Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components |
| US8422688B2 (en) | 2007-09-06 | 2013-04-16 | Lg Electronics Inc. | Method and an apparatus of decoding an audio signal |
| WO2010033387A2 (en) | 2008-09-19 | 2010-03-25 | Dolby Laboratories Licensing Corporation | Upstream signal processing for client devices in a small-cell wireless network |
| WO2010033384A1 (en) | 2008-09-19 | 2010-03-25 | Dolby Laboratories Licensing Corporation | Upstream quality enhancement signal processing for resource constrained client devices |
| US8346380B2 (en) * | 2008-09-25 | 2013-01-01 | Lg Electronics Inc. | Method and an apparatus for processing a signal |
| EP2169665B1 (en) * | 2008-09-25 | 2018-05-02 | LG Electronics Inc. | A method and an apparatus for processing a signal |
| WO2010036059A2 (en) * | 2008-09-25 | 2010-04-01 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
| ES2875416T3 (es) * | 2008-12-11 | 2021-11-10 | Fraunhofer Ges Forschung | Aparato para generar una señal de audio multicanal |
| US8255821B2 (en) * | 2009-01-28 | 2012-08-28 | Lg Electronics Inc. | Method and an apparatus for decoding an audio signal |
| 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 |
| SG174207A1 (en) * | 2009-03-03 | 2011-10-28 | Agency Science Tech & Res | Methods for determining whether a signal includes a wanted signal and apparatuses configured to determine whether a signal includes a wanted signal |
| ES2374486T3 (es) * | 2009-03-26 | 2012-02-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dispositivo y método para manipular una señal de audio. |
| 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 |
| GB2470059A (en) * | 2009-05-08 | 2010-11-10 | Nokia Corp | Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter |
| CN102439585B (zh) * | 2009-05-11 | 2015-04-22 | 雅基达布鲁公司 | 从任意信号对提取共同及唯一分量 |
| JP5267362B2 (ja) * | 2009-07-03 | 2013-08-21 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラムならびに映像伝送装置 |
| EP2476113B1 (en) | 2009-09-11 | 2014-08-13 | Nokia Corporation | Method, apparatus and computer program product for audio coding |
| KR101646650B1 (ko) * | 2009-10-15 | 2016-08-08 | 오렌지 | 최적의 저-스루풋 파라메트릭 코딩/디코딩 |
| PT2489037T (pt) | 2009-10-16 | 2022-01-07 | Fraunhofer Ges Forschung | Aparelho, método e programa de computador para fornecer parâmetros ajustados |
| KR101710113B1 (ko) * | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법 |
| EP2543199B1 (en) * | 2010-03-02 | 2015-09-09 | Nokia Technologies Oy | Method and apparatus for upmixing a two-channel audio signal |
| CN102314882B (zh) * | 2010-06-30 | 2012-10-17 | 华为技术有限公司 | 声音信号通道间延时估计的方法及装置 |
| JP5650227B2 (ja) * | 2010-08-23 | 2015-01-07 | パナソニック株式会社 | 音声信号処理装置及び音声信号処理方法 |
| US8908874B2 (en) * | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
| 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 |
| TWI462087B (zh) | 2010-11-12 | 2014-11-21 | Dolby Lab Licensing Corp | 複數音頻信號之降混方法、編解碼方法及混合系統 |
| FR2986932B1 (fr) * | 2012-02-13 | 2014-03-07 | Franck Rosset | Procede de synthese transaurale pour la spatialisation sonore |
| US10321252B2 (en) | 2012-02-13 | 2019-06-11 | Axd Technologies, Llc | Transaural synthesis method for sound spatialization |
| CN103460283B (zh) | 2012-04-05 | 2015-04-29 | 华为技术有限公司 | 确定多信道音频信号的编码参数的方法及多信道音频编码器 |
| WO2014046941A1 (en) | 2012-09-19 | 2014-03-27 | Dolby Laboratories Licensing Corporation | Method and system for object-dependent adjustment of levels of audio objects |
| CN104019885A (zh) | 2013-02-28 | 2014-09-03 | 杜比实验室特许公司 | 声场分析系统 |
| EP2974253B1 (en) | 2013-03-15 | 2019-05-08 | Dolby Laboratories Licensing Corporation | Normalization of soundfield orientations based on auditory scene analysis |
| MY199032A (en) | 2013-05-24 | 2023-10-10 | Dolby Int Ab | Audio encoder and decoder |
| DE102013223201B3 (de) * | 2013-11-14 | 2015-05-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Komprimieren und Dekomprimieren von Schallfelddaten eines Gebietes |
| CN106463125B (zh) | 2014-04-25 | 2020-09-15 | 杜比实验室特许公司 | 基于空间元数据的音频分割 |
| ES2727462T3 (es) * | 2016-01-22 | 2019-10-16 | Fraunhofer Ges Forschung | Aparatos y procedimientos para la codificación o decodificación de una señal multicanal de audio mediante el uso de repetición de muestreo de dominio espectral |
| DK3509325T3 (da) | 2016-05-30 | 2021-03-22 | Oticon As | Høreapparat, der omfatter en stråleformerfiltreringsenhed, der omfatter en udglatningsenhed |
| 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 |
| RU2727799C1 (ru) | 2016-11-08 | 2020-07-24 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ понижающего или повышающего микширования многоканального сигнала с использованием фазовой компенсации |
| CN108665902B (zh) * | 2017-03-31 | 2020-12-01 | 华为技术有限公司 | 多声道信号的编解码方法和编解码器 |
| CN109215668B (zh) * | 2017-06-30 | 2021-01-05 | 华为技术有限公司 | 一种声道间相位差参数的编码方法及装置 |
| US11516614B2 (en) * | 2018-04-13 | 2022-11-29 | Huawei Technologies Co., Ltd. | Generating sound zones using variable span filters |
| GB2582749A (en) * | 2019-03-28 | 2020-10-07 | Nokia Technologies Oy | Determination of the significance of spatial audio parameters and associated encoding |
| US12283281B2 (en) * | 2019-10-30 | 2025-04-22 | Dolby Laboratories Licensing Corporation | Bitrate distribution in immersive voice and audio services |
| GB2594265A (en) * | 2020-04-20 | 2021-10-27 | Nokia Technologies Oy | Apparatus, methods and computer programs for enabling rendering of spatial audio signals |
| CN115867964A (zh) * | 2020-06-11 | 2023-03-28 | 杜比实验室特许公司 | 用于对多声道输入信号内的空间背景噪声进行编码和/或解码的方法和设备 |
| IL300820B2 (en) | 2020-09-09 | 2025-12-01 | Dolby Laboratories Licensing Corp | Processing parametrically coded audio |
| CN119094766A (zh) * | 2023-06-06 | 2024-12-06 | 海信视像科技股份有限公司 | 图像特征处理方法、编码设备及解码设备 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999004498A2 (en) * | 1997-07-16 | 1999-01-28 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding multiple audio channels at low bit rates |
| US6697776B1 (en) * | 2000-07-31 | 2004-02-24 | Mindspeed Technologies, Inc. | Dynamic signal detector system and method |
| US20040122662A1 (en) * | 2002-02-12 | 2004-06-24 | Crockett Brett Greham | High quality time-scaling and pitch-scaling of audio signals |
| US20040165730A1 (en) * | 2001-04-13 | 2004-08-26 | Crockett Brett G | Segmenting audio signals into auditory events |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6002776A (en) | 1995-09-18 | 1999-12-14 | Interval Research Corporation | Directional acoustic signal processor and method therefor |
| 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 |
| US5913191A (en) * | 1997-10-17 | 1999-06-15 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
| GB2340351B (en) * | 1998-07-29 | 2004-06-09 | British Broadcasting Corp | Data transmission |
| US7028267B1 (en) | 1999-12-07 | 2006-04-11 | Microsoft Corporation | Method and apparatus for capturing and rendering text annotations for non-modifiable electronic content |
| 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 |
| WO2002097790A1 (en) * | 2001-05-25 | 2002-12-05 | Dolby Laboratories Licensing Corporation | Comparing audio using characterizations based on 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 |
| CA2443837C (en) * | 2001-04-13 | 2012-06-19 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
| US7283954B2 (en) * | 2001-04-13 | 2007-10-16 | Dolby Laboratories Licensing Corporation | Comparing audio using characterizations based on auditory events |
| US7006636B2 (en) | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| US7292901B2 (en) | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
| US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
| US20030035553A1 (en) | 2001-08-10 | 2003-02-20 | Frank Baumgarte | Backwards-compatible perceptual coding of spatial cues |
| US7116787B2 (en) | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
| MXPA03010237A (es) * | 2001-05-10 | 2004-03-16 | Dolby Lab Licensing Corp | Mejoramiento del funcionamiento de transitorios en sistemas de codificacion de audio de baja tasa de transferencia de bitios mediante la reduccion del pre-ruido. |
| MXPA03010751A (es) * | 2001-05-25 | 2005-03-07 | Dolby Lab Licensing Corp | Segmentacion de senales de audio en eventos auditivos. |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| US20040037421A1 (en) * | 2001-12-17 | 2004-02-26 | Truman Michael Mead | Parital encryption of assembled bitstreams |
| ES2300567T3 (es) | 2002-04-22 | 2008-06-16 | Koninklijke Philips Electronics N.V. | Representacion parametrica de audio espacial. |
| BR0304541A (pt) | 2002-04-22 | 2004-07-20 | Koninkl Philips Electronics Nv | Método e arranjo para sintetizar um primeiro e um segundo sinal de saìda a partir de um sinal de entrada, aparelho para prover um sinal de áudio decodificado, sinal de multicanal decodificado, e, meio de armazenamento |
| WO2003090207A1 (en) | 2002-04-22 | 2003-10-30 | Koninklijke Philips Electronics N.V. | Parametric multi-channel audio representation |
| US7542896B2 (en) * | 2002-07-16 | 2009-06-02 | Koninklijke Philips Electronics N.V. | Audio coding/decoding with spatial parameters and non-uniform segmentation for transients |
| 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 |
| US7398207B2 (en) * | 2003-08-25 | 2008-07-08 | Time Warner Interactive Video Group, Inc. | Methods and systems for determining audio loudness levels in programming |
| JP4867914B2 (ja) | 2004-03-01 | 2012-02-01 | ドルビー ラボラトリーズ ライセンシング コーポレイション | マルチチャンネルオーディオコーディング |
| 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 |
| TWI498882B (zh) | 2004-08-25 | 2015-09-01 | Dolby Lab Licensing Corp | 音訊解碼器 |
| KR101283741B1 (ko) * | 2004-10-28 | 2013-07-08 | 디티에스 워싱턴, 엘엘씨 | N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법 |
| 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 |
-
2006
- 2006-07-17 TW TW095126004A patent/TWI396188B/zh not_active IP Right Cessation
- 2006-07-24 WO PCT/US2006/028874 patent/WO2007016107A2/en not_active Ceased
- 2006-07-24 CN CN2006800279189A patent/CN101410889B/zh not_active Expired - Fee Related
- 2006-07-24 EP EP06788451A patent/EP1941498A2/en not_active Withdrawn
- 2006-07-24 US US11/989,974 patent/US20090222272A1/en not_active Abandoned
- 2006-07-24 EP EP10190526.3A patent/EP2296142A3/en not_active Withdrawn
- 2006-07-24 KR KR1020087002770A patent/KR101256555B1/ko not_active Expired - Fee Related
- 2006-07-24 JP JP2008525019A patent/JP5189979B2/ja not_active Expired - Fee Related
- 2006-07-31 MY MYPI20063679A patent/MY165339A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999004498A2 (en) * | 1997-07-16 | 1999-01-28 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding multiple audio channels at low bit rates |
| US6697776B1 (en) * | 2000-07-31 | 2004-02-24 | Mindspeed Technologies, Inc. | Dynamic signal detector system and method |
| US20040165730A1 (en) * | 2001-04-13 | 2004-08-26 | Crockett Brett G | Segmenting audio signals into auditory events |
| US20040122662A1 (en) * | 2002-02-12 | 2004-06-24 | Crockett Brett Greham | High quality time-scaling and pitch-scaling of audio signals |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007016107A3 (en) | 2008-08-07 |
| EP1941498A2 (en) | 2008-07-09 |
| JP5189979B2 (ja) | 2013-04-24 |
| US20090222272A1 (en) | 2009-09-03 |
| EP2296142A3 (en) | 2017-05-17 |
| HK1128545A1 (en) | 2009-10-30 |
| EP2296142A2 (en) | 2011-03-16 |
| TW200713201A (en) | 2007-04-01 |
| CN101410889A (zh) | 2009-04-15 |
| JP2009503615A (ja) | 2009-01-29 |
| KR20080031366A (ko) | 2008-04-08 |
| WO2007016107A2 (en) | 2007-02-08 |
| CN101410889B (zh) | 2011-12-14 |
| MY165339A (en) | 2018-03-21 |
| KR101256555B1 (ko) | 2013-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5189979B2 (ja) | 聴覚事象の関数としての空間的オーディオコーディングパラメータの制御 | |
| US8428267B2 (en) | Method and an apparatus for decoding an audio signal | |
| CA2646961C (en) | Enhanced method for signal shaping in multi-channel audio reconstruction | |
| JP6374502B2 (ja) | オーディオ信号を処理するための方法、信号処理ユニット、バイノーラルレンダラ、オーディオエンコーダおよびオーディオデコーダ | |
| AU2010236053B2 (en) | Parametric joint-coding of audio sources | |
| JP4712799B2 (ja) | マルチチャネル出力信号を発生するためのマルチチャネルシンセサイザおよび方法 | |
| CN110223701B (zh) | 用于从缩混信号产生音频输出信号的解码器和方法 | |
| WO2013120531A1 (en) | Parametric encoder for encoding a multi-channel audio signal | |
| RU2485605C2 (ru) | Усовершенствованный метод кодирования и параметрического представления кодирования многоканального объекта после понижающего микширования | |
| HK1128545B (en) | Controlling spatial audio coding parameters as a function of auditory events | |
| HK1151618A (en) | Controlling spatial audio coding parameters as a function of auditory events | |
| Jansson | Stereo coding for the ITU-T G. 719 codec | |
| HK1120699B (en) | Enhanced method for signal shaping in multi-channel audio reconstruction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |