MX2021009732A - Aparato y metodo para llenado estereo en codificacion multicanal. - Google Patents
Aparato y metodo para llenado estereo en codificacion multicanal.Info
- Publication number
- MX2021009732A MX2021009732A MX2021009732A MX2021009732A MX2021009732A MX 2021009732 A MX2021009732 A MX 2021009732A MX 2021009732 A MX2021009732 A MX 2021009732A MX 2021009732 A MX2021009732 A MX 2021009732A MX 2021009732 A MX2021009732 A MX 2021009732A
- Authority
- MX
- Mexico
- Prior art keywords
- channels
- spectral lines
- multichannel
- decoded
- quantized
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 abstract 4
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
- G10L19/008—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
- G10L19/028—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
- G10L19/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Peptides Or Proteins (AREA)
Abstract
Se proporciona un aparato para decodificar una señal multicanal codificada de una trama actual para obtener tres o más canales de salida de audio actuales. Un procesador multicanal se adapta para seleccionar dos canales decodificados de tres o más canales decodificados según los primeros parámetros multicanal. Más aún, el procesador multicanal se adapta para generar un primer grupo de dos o más canales procesados a base de dichos canales seleccionados. Un módulo de llenado de ruidos se adapta para identificar al menos uno de los canales seleccionados, una o varias bandas de frecuencia, dentro de las que todas las líneas espectrales se cuantifican a cero y para generar un canal de mezcla usando, según la información secundaria, un subgrupo apropiado de tres o más canales de salida de audio previos que fueron decodificados y para llenar las líneas espectrales de bandas de frecuencia, dentro de las que todas las líneas espectrales se cuantifican a cero, con ruido generado usando líneas espectrales del canal de mezcla.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16156209.5A EP3208800A1 (en) | 2016-02-17 | 2016-02-17 | Apparatus and method for stereo filing in multichannel coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2021009732A true MX2021009732A (es) | 2021-09-08 |
Family
ID=55361430
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2018009942A MX2018009942A (es) | 2016-02-17 | 2017-02-14 | Aparato y metodo para llenado estereo en codificacion multicanal. |
| MX2021009732A MX2021009732A (es) | 2016-02-17 | 2018-08-16 | Aparato y metodo para llenado estereo en codificacion multicanal. |
| MX2021009735A MX2021009735A (es) | 2016-02-17 | 2018-08-16 | Aparato y metodo para llenado estereo en codificacion multicanal. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2018009942A MX2018009942A (es) | 2016-02-17 | 2017-02-14 | Aparato y metodo para llenado estereo en codificacion multicanal. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2021009735A MX2021009735A (es) | 2016-02-17 | 2018-08-16 | Aparato y metodo para llenado estereo en codificacion multicanal. |
Country Status (19)
| Country | Link |
|---|---|
| US (3) | US10733999B2 (es) |
| EP (3) | EP3208800A1 (es) |
| JP (3) | JP6735053B2 (es) |
| KR (1) | KR102241915B1 (es) |
| CN (6) | CN109074810B (es) |
| AR (1) | AR107617A1 (es) |
| AU (1) | AU2017221080B2 (es) |
| BR (5) | BR122023025314A2 (es) |
| CA (1) | CA3014339C (es) |
| ES (1) | ES2773795T3 (es) |
| MX (3) | MX2018009942A (es) |
| MY (1) | MY194946A (es) |
| PL (1) | PL3417452T3 (es) |
| PT (1) | PT3417452T (es) |
| RU (1) | RU2710949C1 (es) |
| SG (1) | SG11201806955QA (es) |
| TW (1) | TWI634548B (es) |
| WO (1) | WO2017140666A1 (es) |
| ZA (1) | ZA201805498B (es) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US10037750B2 (en) * | 2016-02-17 | 2018-07-31 | RMXHTZ, Inc. | Systems and methods for analyzing components of audio tracks |
| WO2018081829A1 (en) * | 2016-10-31 | 2018-05-03 | Google Llc | Projection-based audio coding |
| KR102615903B1 (ko) | 2017-04-28 | 2023-12-19 | 디티에스, 인코포레이티드 | 오디오 코더 윈도우 및 변환 구현들 |
| EP3467824B1 (en) * | 2017-10-03 | 2021-04-21 | Dolby Laboratories Licensing Corporation | Method and system for inter-channel coding |
| CN111630593B (zh) | 2018-01-18 | 2021-12-28 | 杜比实验室特许公司 | 用于译码声场表示信号的方法和装置 |
| CA3098295C (en) | 2018-04-25 | 2022-04-26 | Kristofer Kjoerling | Integration of high frequency reconstruction techniques with reduced post-processing delay |
| JP7252976B2 (ja) | 2018-04-25 | 2023-04-05 | ドルビー・インターナショナル・アーベー | 後処理遅延低減との高周波再構成技術の統合 |
| EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
| IL276619B2 (en) | 2018-07-02 | 2024-03-01 | Dolby Laboratories Licensing Corp | Methods and devices for encoding and/or decoding embedded audio signals |
| 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 |
| GB2589091B (en) * | 2019-11-15 | 2022-01-12 | Meridian Audio Ltd | Spectral compensation filters for close proximity sound sources |
| TWI750565B (zh) * | 2020-01-15 | 2021-12-21 | 原相科技股份有限公司 | 真無線多聲道揚聲裝置及其多音源發聲之方法 |
| CN114023338A (zh) * | 2020-07-17 | 2022-02-08 | 华为技术有限公司 | 多声道音频信号的编码方法和装置 |
| CN113948097A (zh) * | 2020-07-17 | 2022-01-18 | 华为技术有限公司 | 多声道音频信号编码方法和装置 |
| CN113948096A (zh) * | 2020-07-17 | 2022-01-18 | 华为技术有限公司 | 多声道音频信号编解码方法和装置 |
| TWI744036B (zh) | 2020-10-14 | 2021-10-21 | 緯創資通股份有限公司 | 聲音辨識模型訓練方法及系統與電腦可讀取媒體 |
| CN113242546B (zh) * | 2021-06-25 | 2023-04-21 | 南京中感微电子有限公司 | 音频转发方法、设备和存储介质 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005010057A1 (de) * | 2005-03-04 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms |
| RU2406164C2 (ru) * | 2006-02-07 | 2010-12-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Устройство и способ для кодирования/декодирования сигнала |
| EP2201566B1 (en) * | 2007-09-19 | 2015-11-11 | Telefonaktiebolaget LM Ericsson (publ) | Joint multi-channel audio encoding/decoding |
| CN100555414C (zh) * | 2007-11-02 | 2009-10-28 | 华为技术有限公司 | 一种dtx判决方法和装置 |
| US7820321B2 (en) | 2008-07-07 | 2010-10-26 | Enervault Corporation | Redox flow battery system for distributed energy storage |
| CN102089814B (zh) * | 2008-07-11 | 2012-11-21 | 弗劳恩霍夫应用研究促进协会 | 对编码的音频信号进行解码的设备和方法 |
| ES2642906T3 (es) * | 2008-07-11 | 2017-11-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de audio, procedimientos para proporcionar un flujo de audio y programa de ordenador |
| JP5608660B2 (ja) * | 2008-10-10 | 2014-10-15 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | エネルギ保存型マルチチャネルオーディオ符号化 |
| WO2010053287A2 (en) * | 2008-11-04 | 2010-05-14 | Lg Electronics Inc. | An apparatus for processing an audio signal and method thereof |
| US20100324915A1 (en) * | 2009-06-23 | 2010-12-23 | Electronic And Telecommunications Research Institute | Encoding and decoding apparatuses for high quality multi-channel audio codec |
| DK2510515T3 (da) * | 2009-12-07 | 2014-05-19 | Dolby Lab Licensing Corp | Dekodning af flerkanalaudio-kodede bitstrømme ved anvendelse af adaptiv hybrid transformation |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| CA3045686C (en) * | 2010-04-09 | 2020-07-14 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| US9015042B2 (en) * | 2011-03-07 | 2015-04-21 | Xiph.org Foundation | Methods and systems for avoiding partial collapse in multi-block audio coding |
| RU2648595C2 (ru) * | 2011-05-13 | 2018-03-26 | Самсунг Электроникс Ко., Лтд. | Распределение битов, кодирование и декодирование аудио |
| CN102208188B (zh) * | 2011-07-13 | 2013-04-17 | 华为技术有限公司 | 音频信号编解码方法和设备 |
| CN103971689B (zh) * | 2013-02-04 | 2016-01-27 | 腾讯科技（深圳）有限公司 | 一种音频识别方法及装置 |
| EP3014609B1 (en) * | 2013-06-27 | 2017-09-27 | Dolby Laboratories Licensing Corporation | Bitstream syntax for spatial voice coding |
| EP2830060A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling in multichannel audio coding |
| 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 |
| EP2830045A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
| TWI671734B (zh) * | 2013-09-12 | 2019-09-11 | 瑞典商杜比國際公司 | 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統 |
| 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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2016
- 2016-02-17 EP EP16156209.5A patent/EP3208800A1/en not_active Withdrawn
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2017
- 2017-02-14 BR BR122023025314-0A patent/BR122023025314A2/pt unknown
- 2017-02-14 WO PCT/EP2017/053272 patent/WO2017140666A1/en active Application Filing
- 2017-02-14 TW TW106104736A patent/TWI634548B/zh active
- 2017-02-14 CN CN201780023524.4A patent/CN109074810B/zh active Active
- 2017-02-14 PL PL17704485T patent/PL3417452T3/pl unknown
- 2017-02-14 CN CN202310973606.2A patent/CN117059109A/zh active Pending
- 2017-02-14 BR BR122023025322-1A patent/BR122023025322A2/pt unknown
- 2017-02-14 KR KR1020187026841A patent/KR102241915B1/ko active IP Right Grant
- 2017-02-14 RU RU2018132731A patent/RU2710949C1/ru active
- 2017-02-14 EP EP17704485.6A patent/EP3417452B1/en active Active
- 2017-02-14 BR BR122023025309-4A patent/BR122023025309A2/pt unknown
- 2017-02-14 MY MYPI2018001455A patent/MY194946A/en unknown
- 2017-02-14 SG SG11201806955QA patent/SG11201806955QA/en unknown
- 2017-02-14 CN CN202310976535.1A patent/CN117116272A/zh active Pending
- 2017-02-14 CN CN202310973621.7A patent/CN117153171A/zh active Pending
- 2017-02-14 BR BR122023025300-0A patent/BR122023025300A2/pt unknown
- 2017-02-14 PT PT177044856T patent/PT3417452T/pt unknown
- 2017-02-14 AR ARP170100361A patent/AR107617A1/es active IP Right Grant
- 2017-02-14 EP EP19209185.8A patent/EP3629326A1/en active Pending
- 2017-02-14 BR BR122023025319-1A patent/BR122023025319A2/pt unknown
- 2017-02-14 MX MX2018009942A patent/MX2018009942A/es unknown
- 2017-02-14 CN CN202310970975.6A patent/CN117059108A/zh active Pending
- 2017-02-14 CA CA3014339A patent/CA3014339C/en active Active
- 2017-02-14 AU AU2017221080A patent/AU2017221080B2/en active Active
- 2017-02-14 ES ES17704485T patent/ES2773795T3/es active Active
- 2017-02-14 JP JP2018543213A patent/JP6735053B2/ja active Active
- 2017-02-14 CN CN202310980026.6A patent/CN117059110A/zh active Pending
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2018
- 2018-08-16 MX MX2021009732A patent/MX2021009732A/es unknown
- 2018-08-16 ZA ZA2018/05498A patent/ZA201805498B/en unknown
- 2018-08-16 MX MX2021009735A patent/MX2021009735A/es unknown
- 2018-08-17 US US15/999,260 patent/US10733999B2/en active Active
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2020
- 2020-07-01 US US16/918,812 patent/US11727944B2/en active Active
- 2020-07-08 JP JP2020117752A patent/JP7122076B2/ja active Active
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2022
- 2022-08-06 JP JP2022125967A patent/JP2022160597A/ja active Pending
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2023
- 2023-07-11 US US18/220,693 patent/US20230377586A1/en active Pending
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