PL2947652T3 - Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej - Google Patents
Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonejInfo
- Publication number
- PL2947652T3 PL2947652T3 PL15176776T PL15176776T PL2947652T3 PL 2947652 T3 PL2947652 T3 PL 2947652T3 PL 15176776 T PL15176776 T PL 15176776T PL 15176776 T PL15176776 T PL 15176776T PL 2947652 T3 PL2947652 T3 PL 2947652T3
- Authority
- PL
- Poland
- Prior art keywords
- decoding
- audio signal
- stereo audio
- complex prediction
- prediction
- 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 |
| EP15176776.1A EP2947652B1 (en) | 2010-04-09 | 2011-03-23 | Decoding of a stereo audio signal using complex prediction |
| EP11709735.2A EP2543038B1 (en) | 2010-04-09 | 2011-03-23 | Decoding of multi-channel audio signals using complex prediction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2947652T3 true PL2947652T3 (pl) | 2019-04-30 |
Family
ID=43828187
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
| 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 |
| PL15176778T PL2947653T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna |
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
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 |
| PL15176778T PL2947653T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna |
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
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) | ES2701862T3 (pl) |
| MX (1) | MX2012011603A (pl) |
| MY (1) | MY160467A (pl) |
| PL (7) | PL2947652T3 (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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| 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 |
| RU2625444C2 (ru) | 2013-04-05 | 2017-07-13 | Долби Интернэшнл Аб | Система обработки аудио |
| TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
| 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 |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| 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 |
| CN110648674B (zh) | 2013-09-12 | 2023-09-22 | 杜比国际公司 | 多声道音频内容的编码 |
| EP3582220B1 (en) | 2013-09-12 | 2021-10-20 | Dolby International AB | Time-alignment of qmf based processing data |
| 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 |
| 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 |
| DE102015101847B4 (de) * | 2015-02-10 | 2017-11-02 | Eyesense Gmbh | Strahlteiler und Anordnung zur Untersuchung einer mittels elektromagnetischer Strahlung anregbaren Probe |
| EP3067887A1 (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 |
| 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 |
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| US9972334B2 (en) * | 2015-09-10 | 2018-05-15 | Qualcomm Incorporated | Decoder audio classification |
| MY181992A (en) | 2016-01-22 | 2021-01-18 | Fraunhofer Ges Forschung | Apparatus and method for encoding or decoding a multi-channel signal using spectral-domain resampling |
| EP3405950B1 (en) | 2016-01-22 | 2022-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Stereo audio coding with ild-based normalisation prior to 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 |
| US10224042B2 (en) * | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
| RU2725178C1 (ru) | 2016-11-08 | 2020-06-30 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для кодирования или декодирования многоканального сигнала с использованием коэффициента передачи побочного сигнала и коэффициента передачи остаточного сигнала |
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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 |
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| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
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| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| 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 |
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| 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 |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
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| 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 |
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| JP7407110B2 (ja) | 2018-07-03 | 2023-12-28 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置及び符号化方法 |
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| EP3997697B1 (en) | 2019-07-08 | 2025-05-28 | VoiceAge Corporation | Method and system for coding metadata in audio streams and for efficient bitrate allocation to audio streams coding |
| DE102020210917B4 (de) | 2019-08-30 | 2023-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verbesserter M/S-Stereo-Codierer und -Decodierer |
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| CA3194878A1 (en) | 2020-10-09 | 2022-04-14 | Franz REUTELHUBER | Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing |
| 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 |
| MX2023003965A (es) | 2020-10-09 | 2023-05-25 | Fraunhofer Ges Forschung | Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una extension de ancho de banda. |
| WO2022074200A2 (en) | 2020-10-09 | 2022-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter conversion |
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2010
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2011
- 2011-03-23 AU AU2011238010A patent/AU2011238010B2/en active Active
- 2011-03-23 EP EP15176778.7A patent/EP2947653B1/en active Active
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