MX2015013580A - Decodificador, codificador y metodo para la estimacion informada de sonoridad empleando señales anuladas de objetos de audio en sistemasde codificacion basada en objetos. - Google Patents
Decodificador, codificador y metodo para la estimacion informada de sonoridad empleando señales anuladas de objetos de audio en sistemasde codificacion basada en objetos.Info
- Publication number
- MX2015013580A MX2015013580A MX2015013580A MX2015013580A MX2015013580A MX 2015013580 A MX2015013580 A MX 2015013580A MX 2015013580 A MX2015013580 A MX 2015013580A MX 2015013580 A MX2015013580 A MX 2015013580A MX 2015013580 A MX2015013580 A MX 2015013580A
- Authority
- MX
- Mexico
- Prior art keywords
- audio
- audio output
- decoder
- object signals
- encoder
- Prior art date
Links
- 238000009877 rendering Methods 0.000 abstract 3
- 230000002238 attenuated effect Effects 0.000 abstract 1
Classifications
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- 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
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- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
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- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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- 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Se da a conocer un decodificador para generar una señal de salida de audio que comprende uno o más canales de salida de audio. El decodificador comprende una interfaz de recepción (110) para recibir una señal de entrada de audio que comprende una pluralidad de señales de objetos de audio, para recibir información de sonoridad sobre las señales de objetos de audio, y para recibir información de presentación que indica si una o más de las señales de objetos de audio debe ser, o no, amplificada o atenuada. Además, el decodificador comprende un procesador de señales (120) para generar uno o más canales de salida de audio de la señal de salida de audio. El procesador de señales (120) está configurado para determinar un valor de compensación de sonoridad dependiendo de la información de sonoridad y dependiendo de la información de presentación. Además, el procesador de señales (120) está configurado para generar uno o más canales de salida de audio de la señal de salida de audio a partir de la señal de entrada de audio dependiendo de la información de presentación y dependiendo del valor de compensación de sonoridad. Se emplea una o más señales anuladas de objetos de audio para generar la señal de salida de audio. También se da a conocer un codificador.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13194664.2A EP2879131A1 (en) | 2013-11-27 | 2013-11-27 | Decoder, encoder and method for informed loudness estimation in object-based audio coding systems |
PCT/EP2014/075801 WO2015078964A1 (en) | 2013-11-27 | 2014-11-27 | Decoder, encoder and method for informed loudness estimation employing by-pass audio object signals in object-based audio coding systems |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015013580A true MX2015013580A (es) | 2016-02-05 |
MX350247B MX350247B (es) | 2017-08-31 |
Family
ID=49683543
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015013580A MX350247B (es) | 2013-11-27 | 2014-11-27 | Decodificador, codificador y método para la estimación informada de sonoridad empleando señales anuladas de objetos de audio en sistemas de codificación basada en objetos. |
MX2016006880A MX358306B (es) | 2013-11-27 | 2014-11-27 | Decodificador, codificador y método para la estimación informada de sonoridad en sistemas de codificación basada en objetos. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016006880A MX358306B (es) | 2013-11-27 | 2014-11-27 | Decodificador, codificador y método para la estimación informada de sonoridad en sistemas de codificación basada en objetos. |
Country Status (19)
Country | Link |
---|---|
US (8) | US9947325B2 (es) |
EP (3) | EP2879131A1 (es) |
JP (2) | JP6218928B2 (es) |
KR (2) | KR101852950B1 (es) |
CN (4) | CN105874532B (es) |
AR (2) | AR098558A1 (es) |
AU (2) | AU2014356467B2 (es) |
BR (2) | BR112015019958B1 (es) |
CA (2) | CA2931558C (es) |
ES (2) | ES2666127T3 (es) |
HK (1) | HK1217245A1 (es) |
MX (2) | MX350247B (es) |
MY (2) | MY196533A (es) |
PL (2) | PL3074971T3 (es) |
PT (2) | PT3074971T (es) |
RU (2) | RU2672174C2 (es) |
TW (2) | TWI569259B (es) |
WO (2) | WO2015078964A1 (es) |
ZA (1) | ZA201604205B (es) |
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EP2879131A1 (en) | 2013-11-27 | 2015-06-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder, encoder and method for informed loudness estimation in object-based audio coding systems |
ES2709117T3 (es) * | 2014-10-01 | 2019-04-15 | Dolby Int Ab | Codificador y decodificador de audio |
JP6564068B2 (ja) * | 2015-02-02 | 2019-08-21 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 符号化されたオーディオ信号を処理するための装置および方法 |
KR102465286B1 (ko) | 2015-06-17 | 2022-11-10 | 소니그룹주식회사 | 송신 장치, 송신 방법, 수신 장치 및 수신 방법 |
AU2016279775A1 (en) * | 2015-06-17 | 2018-01-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Loudness control for user interactivity in audio coding systems |
US9590580B1 (en) | 2015-09-13 | 2017-03-07 | Guoguang Electric Company Limited | Loudness-based audio-signal compensation |
CN112218229B (zh) | 2016-01-29 | 2022-04-01 | 杜比实验室特许公司 | 用于音频信号处理的系统、方法和计算机可读介质 |
CN105741835B (zh) * | 2016-03-18 | 2019-04-16 | 腾讯科技(深圳)有限公司 | 一种音频信息处理方法及终端 |
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US11200882B2 (en) * | 2017-07-03 | 2021-12-14 | Nec Corporation | Signal processing device, signal processing method, and storage medium for storing program |
JP7123134B2 (ja) * | 2017-10-27 | 2022-08-22 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー.ファオ. | デコーダにおけるノイズ減衰 |
US11330370B2 (en) | 2018-02-15 | 2022-05-10 | Dolby Laboratories Licensing Corporation | Loudness control methods and devices |
EP3550561A1 (en) | 2018-04-06 | 2019-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer, audio encoder, method and computer program applying a phase value to a magnitude value |
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CN113366865B (zh) * | 2019-02-13 | 2023-03-21 | 杜比实验室特许公司 | 用于音频对象聚类的自适应响度规范化 |
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EP4022606A1 (en) * | 2019-08-30 | 2022-07-06 | Dolby Laboratories Licensing Corporation | Channel identification of multi-channel audio signals |
KR102390643B1 (ko) * | 2019-10-10 | 2022-04-27 | 가우디오랩 주식회사 | 오디오 라우드니스 메타데이터 생성 방법 및 이를 위한 장치 |
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2013
- 2013-11-27 EP EP13194664.2A patent/EP2879131A1/en not_active Withdrawn
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2014
- 2014-11-27 AR ARP140104450A patent/AR098558A1/es active IP Right Grant
- 2014-11-27 KR KR1020167014090A patent/KR101852950B1/ko active IP Right Grant
- 2014-11-27 JP JP2016509509A patent/JP6218928B2/ja active Active
- 2014-11-27 CN CN201480064443.5A patent/CN105874532B/zh active Active
- 2014-11-27 CA CA2931558A patent/CA2931558C/en active Active
- 2014-11-27 AU AU2014356467A patent/AU2014356467B2/en active Active
- 2014-11-27 CA CA2900473A patent/CA2900473C/en active Active
- 2014-11-27 JP JP2016532000A patent/JP6346282B2/ja active Active
- 2014-11-27 WO PCT/EP2014/075801 patent/WO2015078964A1/en active Application Filing
- 2014-11-27 AR ARP140104449A patent/AR099360A1/es active IP Right Grant
- 2014-11-27 CN CN202010097492.6A patent/CN111312266B/zh active Active
- 2014-11-27 PT PT148058498T patent/PT3074971T/pt unknown
- 2014-11-27 ES ES14805849.8T patent/ES2666127T3/es active Active
- 2014-11-27 MX MX2015013580A patent/MX350247B/es active IP Right Grant
- 2014-11-27 MX MX2016006880A patent/MX358306B/es active IP Right Grant
- 2014-11-27 AU AU2014356475A patent/AU2014356475B2/en active Active
- 2014-11-27 EP EP14802914.3A patent/EP2941771B1/en active Active
- 2014-11-27 WO PCT/EP2014/075787 patent/WO2015078956A1/en active Application Filing
- 2014-11-27 MY MYPI2015002059A patent/MY196533A/en unknown
- 2014-11-27 RU RU2016125242A patent/RU2672174C2/ru active
- 2014-11-27 BR BR112015019958-5A patent/BR112015019958B1/pt active IP Right Grant
- 2014-11-27 PL PL14805849T patent/PL3074971T3/pl unknown
- 2014-11-27 EP EP14805849.8A patent/EP3074971B1/en active Active
- 2014-11-27 CN CN202010904479.7A patent/CN112151049B/zh active Active
- 2014-11-27 KR KR1020157021813A patent/KR101742137B1/ko active IP Right Grant
- 2014-11-27 RU RU2015135181A patent/RU2651211C2/ru active
- 2014-11-27 TW TW103141223A patent/TWI569259B/zh active
- 2014-11-27 PT PT148029143T patent/PT2941771T/pt unknown
- 2014-11-27 ES ES14802914.3T patent/ES2629527T3/es active Active
- 2014-11-27 CN CN201480017668.5A patent/CN105144287B/zh active Active
- 2014-11-27 MY MYPI2016000913A patent/MY189823A/en unknown
- 2014-11-27 BR BR112016011988-6A patent/BR112016011988B1/pt active IP Right Grant
- 2014-11-27 PL PL14802914T patent/PL2941771T3/pl unknown
- 2014-11-27 TW TW103141222A patent/TWI569260B/zh active
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2015
- 2015-08-10 US US14/822,678 patent/US9947325B2/en active Active
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2016
- 2016-05-06 HK HK16105191.8A patent/HK1217245A1/zh unknown
- 2016-05-13 US US15/154,522 patent/US10497376B2/en active Active
- 2016-06-22 ZA ZA2016/04205A patent/ZA201604205B/en unknown
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2018
- 2018-03-05 US US15/912,010 patent/US10699722B2/en active Active
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2019
- 2019-10-18 US US16/657,686 patent/US10891963B2/en active Active
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2020
- 2020-05-26 US US16/883,852 patent/US11423914B2/en active Active
- 2020-12-08 US US17/114,735 patent/US11688407B2/en active Active
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2022
- 2022-07-12 US US17/812,109 patent/US11875804B2/en active Active
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2023
- 2023-05-09 US US18/314,713 patent/US20230306973A1/en active Pending
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