PL2947656T3 - Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego - Google Patents
Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowegoInfo
- Publication number
- PL2947656T3 PL2947656T3 PL15176784T PL15176784T PL2947656T3 PL 2947656 T3 PL2947656 T3 PL 2947656T3 PL 15176784 T PL15176784 T PL 15176784T PL 15176784 T PL15176784 T PL 15176784T PL 2947656 T3 PL2947656 T3 PL 2947656T3
- Authority
- PL
- Poland
- Prior art keywords
- coding
- audio signals
- channel audio
- complex prediction
- differential
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
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
- G10L19/04—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
-
- 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
-
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32268810P | 2010-04-09 | 2010-04-09 | |
| US36390610P | 2010-07-13 | 2010-07-13 | |
| EP10169432A EP2375409A1 (en) | 2010-04-09 | 2010-07-13 | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| PCT/EP2011/054485 WO2011124473A1 (en) | 2010-04-09 | 2011-03-23 | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| EP11709735.2A EP2543038B1 (en) | 2010-04-09 | 2011-03-23 | Decoding of multi-channel audio signals using complex prediction |
| EP15176784.5A EP2947656B1 (en) | 2010-04-09 | 2011-03-23 | Coding multi-channel audio signals using complex prediction and differential coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2947656T3 true PL2947656T3 (pl) | 2019-03-29 |
Family
ID=43828187
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176783T PL2947655T3 (pl) | 2010-04-09 | 2011-03-23 | Kodowanie wielokanałowego audio przy użyciu predykcji zespolonej i bezpośredniego sygnalizowania estymacji |
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176778T PL2947653T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176783T PL2947655T3 (pl) | 2010-04-09 | 2011-03-23 | Kodowanie wielokanałowego audio przy użyciu predykcji zespolonej i bezpośredniego sygnalizowania estymacji |
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176778T PL2947653T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US8655670B2 (pl) |
| EP (8) | EP2375409A1 (pl) |
| JP (1) | JP5705964B2 (pl) |
| KR (1) | KR101425155B1 (pl) |
| CN (1) | CN103098126B (pl) |
| AR (1) | AR080842A1 (pl) |
| AU (1) | AU2011238010B2 (pl) |
| CA (1) | CA2804907C (pl) |
| ES (3) | ES2701456T3 (pl) |
| MX (1) | MX2012011603A (pl) |
| MY (1) | MY160467A (pl) |
| PL (7) | PL2947656T3 (pl) |
| RU (1) | RU2577195C2 (pl) |
| SG (1) | SG184815A1 (pl) |
| TW (1) | TWI444990B (pl) |
| WO (1) | WO2011124473A1 (pl) |
| ZA (1) | ZA201208364B (pl) |
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| EP4593010A3 (en) | 2010-04-09 | 2025-08-27 | Dolby International AB | Mdct-based complex prediction stereo decoding |
| PL3779978T3 (pl) * | 2010-04-13 | 2022-08-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sposób dekodowania enkodowanego sygnału audio stereo z wykorzystaniem zmiennego kierunku predykcji |
| US8654984B2 (en) | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
| US9317458B2 (en) * | 2012-04-16 | 2016-04-19 | Harman International Industries, Incorporated | System for converting a signal |
| JP6065452B2 (ja) | 2012-08-14 | 2017-01-25 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
| 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 |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| JP6179122B2 (ja) * | 2013-02-20 | 2017-08-16 | 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、オーディオ符号化プログラム |
| JP6146069B2 (ja) * | 2013-03-18 | 2017-06-14 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
| TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
| IN2015MN02784A (pl) | 2013-04-05 | 2015-10-23 | Dolby Int Ab | |
| EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| EP2830053A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP2830058A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
| EP2830064A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
| JP6333379B2 (ja) | 2013-08-23 | 2018-05-30 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | エイリアシングエラー信号を用いて音声信号を処理するための装置及び方法 |
| CN110634494B (zh) | 2013-09-12 | 2023-09-01 | 杜比国际公司 | 多声道音频内容的编码 |
| CN111312279B (zh) | 2013-09-12 | 2024-02-06 | 杜比国际公司 | 基于qmf的处理数据的时间对齐 |
| EP2980791A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions |
| EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| DE102015101847B4 (de) * | 2015-02-10 | 2017-11-02 | Eyesense Gmbh | Strahlteiler und Anordnung zur Untersuchung einer mittels elektromagnetischer Strahlung anregbaren Probe |
| EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| 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 |
| EP3067889A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for signal-adaptive transform kernel switching in audio coding |
| EP3067885A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| WO2016162283A1 (en) | 2015-04-07 | 2016-10-13 | Dolby International Ab | Audio coding with range extension |
| EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| US9972334B2 (en) * | 2015-09-10 | 2018-05-15 | Qualcomm Incorporated | Decoder audio classification |
| ES2965487T3 (es) | 2016-01-22 | 2024-07-09 | Fraunhofer Ges Zur Foerderungder Angewandten Forschung E V | Aparato y procedimiento para la codificación o decodificación de una señal multicanal mediante el uso de repetición de muestreo de dominio espectral |
| SG11201806256SA (en) * | 2016-01-22 | 2018-08-30 | Fraunhofer Ges Forschung | Apparatus and method for mdct m/s stereo with global ild with improved mid/side decision |
| EP3208800A1 (en) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for stereo filing in multichannel coding |
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| AU2017357453B2 (en) | 2016-11-08 | 2021-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multichannel signal using a side gain and a residual gain |
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| CN108877815B (zh) | 2017-05-16 | 2021-02-23 | 华为技术有限公司 | 一种立体声信号处理方法及装置 |
| US10535357B2 (en) * | 2017-10-05 | 2020-01-14 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| US10580420B2 (en) * | 2017-10-05 | 2020-03-03 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| WO2019091576A1 (en) * | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| TWI812658B (zh) * | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
| MY205827A (en) * | 2017-12-19 | 2024-11-14 | Dolby Int Ab | Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements |
| CN110556116B (zh) | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
| KR20200000649A (ko) | 2018-06-25 | 2020-01-03 | 네이버 주식회사 | 오디오 병렬 트랜스코딩을 위한 방법 및 시스템 |
| JP7516251B2 (ja) | 2018-07-02 | 2024-07-16 | 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 | 没入的オーディオ信号をエンコードおよび／またはデコードするための方法および装置 |
| US11545165B2 (en) | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
| US11263550B2 (en) * | 2018-09-09 | 2022-03-01 | International Business Machines Corporation | Audit machine learning models against bias |
| US11308414B2 (en) * | 2018-10-11 | 2022-04-19 | International Business Machines Corporation | Multi-step ahead forecasting using complex-valued vector autoregregression |
| EP3671739A1 (en) * | 2018-12-21 | 2020-06-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Apparatus and method for source separation using an estimation and control of sound quality |
| CA3145045A1 (en) * | 2019-07-08 | 2021-01-14 | Voiceage Corporation | Method and system for coding metadata in audio streams and for flexible intra-object and inter-object bitrate adaptation |
| DE102020210917B4 (de) | 2019-08-30 | 2023-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verbesserter M/S-Stereo-Codierer und -Decodierer |
| CN112040435A (zh) * | 2020-09-09 | 2020-12-04 | 成都智联科鸿电子科技有限公司 | 一种多通道捆绑的物联网数据回传装置 |
| CN116457878A (zh) * | 2020-10-09 | 2023-07-18 | 弗劳恩霍夫应用研究促进协会 | 使用带宽扩展来处理编码音频场景的装置、方法或计算机程序 |
| MX2023003963A (es) | 2020-10-09 | 2023-05-25 | Fraunhofer Ges Forschung | Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando un suavizado de parametro. |
| TWI803999B (zh) | 2020-10-09 | 2023-06-01 | 弗勞恩霍夫爾協會 | 使用頻寬擴展處理編碼音頻場景的裝置、方法或電腦程式 |
| US12483272B2 (en) | 2021-02-18 | 2025-11-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Encoding and decoding complex data |
| CN113343591B (zh) * | 2021-07-16 | 2022-05-03 | 浙江大学 | 基于自注意力网络的产品关键零件寿命端到端预测方法 |
| CN115691514A (zh) * | 2021-07-29 | 2023-02-03 | 华为技术有限公司 | 一种多声道信号的编解码方法和装置 |
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| US20250104721A1 (en) * | 2021-12-15 | 2025-03-27 | Electronics And Telecommunications Research Institute | Audio processing method using complex number data, and apparatus for performing same |
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| EP4593010A3 (en) * | 2010-04-09 | 2025-08-27 | Dolby International AB | Mdct-based complex prediction stereo decoding |
-
2010
- 2010-07-13 EP EP10169432A patent/EP2375409A1/en not_active Withdrawn
-
2011
- 2011-03-23 EP EP15176781.1A patent/EP2947654B1/en active Active
- 2011-03-23 RU RU2012147587/08A patent/RU2577195C2/ru active
- 2011-03-23 MY MYPI2012004489A patent/MY160467A/en unknown
- 2011-03-23 PL PL15176784T patent/PL2947656T3/pl unknown
- 2011-03-23 EP EP15176784.5A patent/EP2947656B1/en active Active
- 2011-03-23 PL PL15176781T patent/PL2947654T3/pl unknown
- 2011-03-23 MX MX2012011603A patent/MX2012011603A/es active IP Right Grant
- 2011-03-23 WO PCT/EP2011/054485 patent/WO2011124473A1/en not_active Ceased
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