ATE515018T1 - Zwischenkanal-signalredundanzentfernung bei der wahrnehmungsbezogenen audiocodierung - Google Patents
Zwischenkanal-signalredundanzentfernung bei der wahrnehmungsbezogenen audiocodierungInfo
- Publication number
- ATE515018T1 ATE515018T1 AT02727860T AT02727860T ATE515018T1 AT E515018 T1 ATE515018 T1 AT E515018T1 AT 02727860 T AT02727860 T AT 02727860T AT 02727860 T AT02727860 T AT 02727860T AT E515018 T1 ATE515018 T1 AT E515018T1
- Authority
- AT
- Austria
- Prior art keywords
- audio coding
- perceptual audio
- signal redundancy
- mdct coefficients
- interchannel signal
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000873 masking effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/854,143 US6934676B2 (en) | 2001-05-11 | 2001-05-11 | Method and system for inter-channel signal redundancy removal in perceptual audio coding |
| PCT/IB2002/001595 WO2002093556A1 (en) | 2001-05-11 | 2002-05-08 | Inter-channel signal redundancy removal in perceptual audio coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE515018T1 true ATE515018T1 (de) | 2011-07-15 |
Family
ID=25317845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02727860T ATE515018T1 (de) | 2001-05-11 | 2002-05-08 | Zwischenkanal-signalredundanzentfernung bei der wahrnehmungsbezogenen audiocodierung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6934676B2 (de) |
| EP (1) | EP1393303B1 (de) |
| AT (1) | ATE515018T1 (de) |
| WO (1) | WO2002093556A1 (de) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7116787B2 (en) * | 2001-05-04 | 2006-10-03 | Agere Systems Inc. | Perceptual synthesis of auditory scenes |
| 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 |
| DE10129240A1 (de) * | 2001-06-18 | 2003-01-02 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten von zeitdiskreten Audio-Abtastwerten |
| JP3881943B2 (ja) * | 2002-09-06 | 2007-02-14 | 松下電器産業株式会社 | 音響符号化装置及び音響符号化方法 |
| US7395210B2 (en) * | 2002-11-21 | 2008-07-01 | Microsoft Corporation | Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform |
| CN100520765C (zh) * | 2003-09-29 | 2009-07-29 | 新加坡科技研究局 | 确定给定变换函数的变换元素的过程和设备,数字信号变换方法和设备及计算机可读介质 |
| US8126951B2 (en) * | 2003-09-29 | 2012-02-28 | Agency For Science, Technology And Research | Method for transforming a digital signal from the time domain into the frequency domain and vice versa |
| US7805313B2 (en) * | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
| 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 |
| US7720230B2 (en) * | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| ES2791001T3 (es) * | 2004-11-02 | 2020-10-30 | Koninklijke Philips Nv | Codificación y decodificación de señales de audio mediante el uso de bancos de filtros de valor complejo |
| WO2006056100A1 (en) * | 2004-11-24 | 2006-06-01 | Beijing E-World Technology Co., Ltd | Coding/decoding method and device utilizing intra-channel signal redundancy |
| US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| EP1817767B1 (de) | 2004-11-30 | 2015-11-11 | Agere Systems Inc. | Parametrische raumtonkodierung mit objektbasierten nebeninformationen |
| JP5017121B2 (ja) * | 2004-11-30 | 2012-09-05 | アギア システムズ インコーポレーテッド | 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 |
| US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| WO2006075079A1 (fr) * | 2005-01-14 | 2006-07-20 | France Telecom | Procede d’encodage de pistes audio d’un contenu multimedia destine a une diffusion sur terminaux mobiles |
| DE602006011600D1 (de) * | 2005-04-28 | 2010-02-25 | Panasonic Corp | Audiocodierungseinrichtung und audiocodierungsverfahren |
| DE602006014957D1 (de) | 2005-04-28 | 2010-07-29 | Panasonic Corp | Audiocodierungseinrichtung und audiocodierungsverfahren |
| DE102006055737A1 (de) * | 2006-11-25 | 2008-05-29 | Deutsche Telekom Ag | Verfahren zur skalierbaren Codierung von Stereo-Signalen |
| US8515767B2 (en) * | 2007-11-04 | 2013-08-20 | Qualcomm Incorporated | Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs |
| EP2384028B1 (de) * | 2008-07-31 | 2014-11-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signalerzeugung für binaurale Signale |
| US9008811B2 (en) | 2010-09-17 | 2015-04-14 | Xiph.org Foundation | Methods and systems for adaptive time-frequency resolution in digital data coding |
| EP2469741A1 (de) | 2010-12-21 | 2012-06-27 | Thomson Licensing | Verfahren und Vorrichtung zur Kodierung und Dekodierung aufeinanderfolgender Rahmen einer Ambisonics-Darstellung eines 2- oder 3-dimensionalen Schallfelds |
| WO2012122299A1 (en) | 2011-03-07 | 2012-09-13 | Xiph. Org. | Bit allocation and partitioning in gain-shape vector quantization for audio coding |
| US9015042B2 (en) | 2011-03-07 | 2015-04-21 | Xiph.org Foundation | Methods and systems for avoiding partial collapse in multi-block audio coding |
| US8838442B2 (en) * | 2011-03-07 | 2014-09-16 | Xiph.org Foundation | Method and system for two-step spreading for tonal artifact avoidance in audio coding |
| RU2464649C1 (ru) | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
| EP2743922A1 (de) | 2012-12-12 | 2014-06-18 | Thomson Licensing | Verfahren und Vorrichtung zur Komprimierung und Dekomprimierung einer High Order Ambisonics-Signaldarstellung für ein Schallfeld |
| ES2616434T3 (es) | 2013-01-29 | 2017-06-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para seleccionar uno de un primer algoritmo de codificación de audio y un segundo algoritmo de codificación de audio |
| EP2830061A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Codierung und Decodierung eines codierten Audiosignals unter Verwendung von zeitlicher Rausch-/Patch-Formung |
| WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| CN109524015B (zh) | 2017-09-18 | 2022-04-15 | 杭州海康威视数字技术股份有限公司 | 音频编码方法、解码方法、装置及音频编解码系统 |
| EP3719799A1 (de) * | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Mehrkanaliger audiocodierer, decodierer, verfahren und computerprogramm zum umschalten zwischen einem parametrischen mehrkanalbetrieb und einem einzelkanalbetrieb |
| WO2021232376A1 (zh) | 2020-05-21 | 2021-11-25 | 华为技术有限公司 | 一种音频数据传输方法及相关装置 |
| US11862183B2 (en) | 2020-07-06 | 2024-01-02 | Electronics And Telecommunications Research Institute | Methods of encoding and decoding audio signal using neural network model, and devices for performing the methods |
| US12518771B2 (en) | 2020-07-06 | 2026-01-06 | Electronics And Telecommunications Research Institute | Methods of encoding and decoding audio signal using neural network model, and devices for performing the methods |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3040004A1 (de) * | 1979-10-24 | 1981-05-07 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Verfahren und vorrichtung zum codieren von pruefworten geringer redundanz aus ursprungsdaten |
| DE3113397A1 (de) * | 1981-04-03 | 1982-10-21 | Robert Bosch Gmbh, 7000 Stuttgart | Pulscodemodulationssystem |
| DE4222623C2 (de) * | 1992-07-10 | 1996-07-11 | Inst Rundfunktechnik Gmbh | Verfahren zum Übertragen oder Speichern von digitalisierten Tonsignalen |
| GB9218874D0 (en) * | 1992-09-07 | 1992-10-21 | British Broadcasting Corp | Improvements relating to the transmission of frequency division multiplex signals |
| US5737720A (en) * | 1993-10-26 | 1998-04-07 | Sony Corporation | Low bit rate multichannel audio coding methods and apparatus using non-linear adaptive bit allocation |
| US5488665A (en) * | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
| JP3404837B2 (ja) * | 1993-12-07 | 2003-05-12 | ソニー株式会社 | 多層符号化装置 |
| KR970005131B1 (ko) * | 1994-01-18 | 1997-04-12 | 대우전자 주식회사 | 인간의 청각특성에 적응적인 디지탈 오디오 부호화장치 |
| EP0688113A2 (de) * | 1994-06-13 | 1995-12-20 | Sony Corporation | Verfahren und Vorrichtung für die Kodierung und Dekodierung von digitalen Tonsignalen und Vorrichtung zur Aufzeichnung von digitalen Tonsignalen |
| US5812971A (en) * | 1996-03-22 | 1998-09-22 | Lucent Technologies Inc. | Enhanced joint stereo coding method using temporal envelope shaping |
| US6029129A (en) * | 1996-05-24 | 2000-02-22 | Narrative Communications Corporation | Quantizing audio data using amplitude histogram |
-
2001
- 2001-05-11 US US09/854,143 patent/US6934676B2/en not_active Expired - Lifetime
-
2002
- 2002-05-08 WO PCT/IB2002/001595 patent/WO2002093556A1/en not_active Ceased
- 2002-05-08 EP EP02727860A patent/EP1393303B1/de not_active Expired - Lifetime
- 2002-05-08 AT AT02727860T patent/ATE515018T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002093556A1 (en) | 2002-11-21 |
| US6934676B2 (en) | 2005-08-23 |
| EP1393303A4 (de) | 2009-08-05 |
| US20030014136A1 (en) | 2003-01-16 |
| EP1393303B1 (de) | 2011-06-29 |
| EP1393303A1 (de) | 2004-03-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |