PT3252761T - Preenchimento de ruído na codificação de áudio multicanal - Google Patents
Preenchimento de ruído na codificação de áudio multicanalInfo
- Publication number
- PT3252761T PT3252761T PT171818826T PT17181882T PT3252761T PT 3252761 T PT3252761 T PT 3252761T PT 171818826 T PT171818826 T PT 171818826T PT 17181882 T PT17181882 T PT 17181882T PT 3252761 T PT3252761 T PT 3252761T
- Authority
- PT
- Portugal
- Prior art keywords
- audio coding
- multichannel audio
- noise filling
- noise
- filling
- Prior art date
Links
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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177356 | 2013-07-22 | ||
| EP13189450.3A EP2830060A1 (en) | 2013-07-22 | 2013-10-18 | Noise filling in multichannel audio coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT3252761T true PT3252761T (pt) | 2019-11-11 |
Family
ID=48832792
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT171818826T PT3252761T (pt) | 2013-07-22 | 2014-07-18 | Preenchimento de ruído na codificação de áudio multicanal |
| PT147440267T PT3025341T (pt) | 2013-07-22 | 2014-07-18 | Preenchimento de ruído na codificação de áudio multicanal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT147440267T PT3025341T (pt) | 2013-07-22 | 2014-07-18 | Preenchimento de ruído na codificação de áudio multicanal |
Country Status (19)
| Country | Link |
|---|---|
| US (6) | US10255924B2 (https=) |
| EP (6) | EP2830060A1 (https=) |
| JP (1) | JP6248194B2 (https=) |
| KR (2) | KR101865205B1 (https=) |
| CN (2) | CN112037804B (https=) |
| AR (1) | AR096994A1 (https=) |
| AU (1) | AU2014295171B2 (https=) |
| BR (5) | BR122022016307B1 (https=) |
| CA (1) | CA2918256C (https=) |
| ES (4) | ES2746934T3 (https=) |
| MX (1) | MX359186B (https=) |
| MY (1) | MY179139A (https=) |
| PL (4) | PL3252761T3 (https=) |
| PT (2) | PT3252761T (https=) |
| RU (1) | RU2661776C2 (https=) |
| SG (1) | SG11201600420YA (https=) |
| TW (1) | TWI566238B (https=) |
| WO (1) | WO2015011061A1 (https=) |
| ZA (1) | ZA201601077B (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016162283A1 (en) * | 2015-04-07 | 2016-10-13 | Dolby International Ab | Audio coding with range extension |
| CN107615767B (zh) | 2015-06-02 | 2021-05-25 | 索尼公司 | 发送装置、发送方法、媒体处理装置、媒体处理方法以及接收装置 |
| US10008214B2 (en) * | 2015-09-11 | 2018-06-26 | Electronics And Telecommunications Research Institute | USAC audio signal encoding/decoding apparatus and method for digital radio services |
| 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 |
| DE102016104665A1 (de) * | 2016-03-14 | 2017-09-14 | Ask Industries Gmbh | Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals |
| US10210874B2 (en) * | 2017-02-03 | 2019-02-19 | Qualcomm Incorporated | Multi channel coding |
| US10553224B2 (en) * | 2017-10-03 | 2020-02-04 | Dolby Laboratories Licensing Corporation | Method and system for inter-channel coding |
| RU2744485C1 (ru) * | 2017-10-27 | 2021-03-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Ослабление шума в декодере |
| EP3719799A1 (en) * | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation |
| MX2021015314A (es) * | 2019-06-14 | 2022-02-03 | Fraunhofer Ges Forschung | Codificacion y decodificacion de parametros. |
| EP4730326A3 (en) | 2020-12-02 | 2026-04-29 | Dolby Laboratories Licensing Corporation | Spatial noise filling in multi-channel codec |
| CN115346537B (zh) * | 2021-05-14 | 2024-11-29 | 华为技术有限公司 | 一种音频编码、解码方法及装置 |
| CN114243925B (zh) * | 2021-12-21 | 2024-02-09 | 国网山东省电力公司淄博供电公司 | 基于智能融合终端的台区配变态势感知方法及系统 |
| TW202333143A (zh) * | 2021-12-23 | 2023-08-16 | 弗勞恩霍夫爾協會 | 在音訊寫碼中使用濾波用於頻譜時間改善頻譜間隙填充之方法及設備 |
| CN115346540B (zh) * | 2022-08-18 | 2025-02-14 | 北京百瑞互联技术股份有限公司 | 一种联合立体声音频编解码方法及装置 |
| CN117854514B (zh) * | 2024-03-06 | 2024-05-31 | 深圳市增长点科技有限公司 | 一种音质保真的无线耳机通信解码优化方法及系统 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5692102A (en) * | 1995-10-26 | 1997-11-25 | Motorola, Inc. | Method device and system for an efficient noise injection process for low bitrate audio compression |
| JP3576936B2 (ja) * | 2000-07-21 | 2004-10-13 | 株式会社ケンウッド | 周波数補間装置、周波数補間方法及び記録媒体 |
| JP2002156998A (ja) | 2000-11-16 | 2002-05-31 | Toshiba Corp | オーディオ信号のビットストリーム処理方法、この処理方法を記録した記録媒体、及び処理装置 |
| US7447631B2 (en) * | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
| WO2005096508A1 (en) | 2004-04-01 | 2005-10-13 | Beijing Media Works Co., Ltd | Enhanced audio encoding and decoding equipment, method thereof |
| EP1906706B1 (en) | 2005-07-15 | 2009-11-25 | Panasonic Corporation | Audio decoder |
| US7539612B2 (en) | 2005-07-15 | 2009-05-26 | Microsoft Corporation | Coding and decoding scale factor information |
| KR20070037771A (ko) * | 2005-10-04 | 2007-04-09 | 엘지전자 주식회사 | 오디오 부호화 시스템 |
| CN101288116A (zh) * | 2005-10-13 | 2008-10-15 | Lg电子株式会社 | 用于处理信号的方法和装置 |
| US8460409B2 (en) | 2006-05-08 | 2013-06-11 | Ceramatec, Inc. | Plasma-catalyzed fuel reformer |
| KR20080092823A (ko) | 2007-04-13 | 2008-10-16 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
| US7885819B2 (en) * | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| JP5485909B2 (ja) * | 2007-12-31 | 2014-05-07 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号処理方法及び装置 |
| US20090319263A1 (en) * | 2008-06-20 | 2009-12-24 | Qualcomm Incorporated | Coding of transitional speech frames for low-bit-rate applications |
| EP2304719B1 (en) | 2008-07-11 | 2017-07-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, methods for providing an audio stream and computer program |
| RU2512090C2 (ru) * | 2008-07-11 | 2014-04-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ генерирования сигнала с расширенной полосой пропускания |
| KR101078378B1 (ko) * | 2009-03-04 | 2011-10-31 | 주식회사 코아로직 | 오디오 부호화기의 양자화 방법 및 장치 |
| US9202456B2 (en) | 2009-04-23 | 2015-12-01 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation |
| ES2441069T3 (es) * | 2009-10-08 | 2014-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decodificador multimodo para señal de audio, codificador multimodo para señal de audio, procedimiento y programa de computación que usan un modelado de ruido en base a linealidad-predicción-codificación |
| US9117458B2 (en) * | 2009-11-12 | 2015-08-25 | Lg Electronics Inc. | Apparatus for processing an audio signal and method thereof |
| CN102081927B (zh) * | 2009-11-27 | 2012-07-18 | 中兴通讯股份有限公司 | 一种可分层音频编码、解码方法及系统 |
| JP5316896B2 (ja) * | 2010-03-17 | 2013-10-16 | ソニー株式会社 | 符号化装置および符号化方法、復号装置および復号方法、並びにプログラム |
| US9008811B2 (en) | 2010-09-17 | 2015-04-14 | Xiph.org Foundation | Methods and systems for adaptive time-frequency resolution in digital data coding |
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2013
- 2013-10-18 EP EP13189450.3A patent/EP2830060A1/en not_active Withdrawn
-
2014
- 2014-07-18 BR BR122022016307-6A patent/BR122022016307B1/pt active IP Right Grant
- 2014-07-18 PT PT171818826T patent/PT3252761T/pt unknown
- 2014-07-18 PL PL17181882T patent/PL3252761T3/pl unknown
- 2014-07-18 ES ES17181882T patent/ES2746934T3/es active Active
- 2014-07-18 KR KR1020167004469A patent/KR101865205B1/ko active Active
- 2014-07-18 EP EP14744026.7A patent/EP3025341B1/en active Active
- 2014-07-18 CA CA2918256A patent/CA2918256C/en active Active
- 2014-07-18 BR BR122022016310-6A patent/BR122022016310B1/pt active IP Right Grant
- 2014-07-18 EP EP19182225.3A patent/EP3618068B1/en active Active
- 2014-07-18 MY MYPI2016000098A patent/MY179139A/en unknown
- 2014-07-18 ES ES19182225T patent/ES2980506T3/es active Active
- 2014-07-18 EP EP24167391.2A patent/EP4369335B1/en active Active
- 2014-07-18 ES ES24167391T patent/ES3056059T3/es active Active
- 2014-07-18 CN CN202010552568.XA patent/CN112037804B/zh active Active
- 2014-07-18 ES ES14744026.7T patent/ES2650549T3/es active Active
- 2014-07-18 BR BR112016001138-4A patent/BR112016001138B1/pt active IP Right Grant
- 2014-07-18 PL PL24167391.2T patent/PL4369335T3/pl unknown
- 2014-07-18 JP JP2016528471A patent/JP6248194B2/ja active Active
- 2014-07-18 AU AU2014295171A patent/AU2014295171B2/en active Active
- 2014-07-18 SG SG11201600420YA patent/SG11201600420YA/en unknown
- 2014-07-18 PL PL19182225.3T patent/PL3618068T3/pl unknown
- 2014-07-18 BR BR122022016343-2A patent/BR122022016343B1/pt active IP Right Grant
- 2014-07-18 TW TW103124813A patent/TWI566238B/zh active
- 2014-07-18 MX MX2016000912A patent/MX359186B/es active IP Right Grant
- 2014-07-18 EP EP25196806.1A patent/EP4629235A3/en active Pending
- 2014-07-18 CN CN201480041813.3A patent/CN105706165B/zh active Active
- 2014-07-18 RU RU2016105517A patent/RU2661776C2/ru active
- 2014-07-18 PL PL14744026T patent/PL3025341T3/pl unknown
- 2014-07-18 WO PCT/EP2014/065550 patent/WO2015011061A1/en not_active Ceased
- 2014-07-18 EP EP17181882.6A patent/EP3252761B1/en active Active
- 2014-07-18 BR BR122022016336-0A patent/BR122022016336B1/pt active IP Right Grant
- 2014-07-18 KR KR1020187004266A patent/KR101981936B1/ko active Active
- 2014-07-18 PT PT147440267T patent/PT3025341T/pt unknown
- 2014-07-21 AR ARP140102697A patent/AR096994A1/es active IP Right Grant
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2016
- 2016-01-20 US US15/002,375 patent/US10255924B2/en active Active
- 2016-02-17 ZA ZA2016/01077A patent/ZA201601077B/en unknown
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2019
- 2019-02-15 US US16/277,941 patent/US10468042B2/en active Active
- 2019-10-07 US US16/594,867 patent/US10978084B2/en active Active
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2021
- 2021-03-30 US US17/217,121 patent/US11594235B2/en active Active
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2022
- 2022-12-27 US US18/146,911 patent/US11887611B2/en active Active
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2023
- 2023-12-21 US US18/393,252 patent/US12249340B2/en active Active
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