ES2732668T3 - Mezcla paramétrica de señales de audio - Google Patents
Mezcla paramétrica de señales de audio Download PDFInfo
- Publication number
- ES2732668T3 ES2732668T3 ES15787573T ES15787573T ES2732668T3 ES 2732668 T3 ES2732668 T3 ES 2732668T3 ES 15787573 T ES15787573 T ES 15787573T ES 15787573 T ES15787573 T ES 15787573T ES 2732668 T3 ES2732668 T3 ES 2732668T3
- Authority
- ES
- Spain
- Prior art keywords
- channels
- signal
- channel
- additional
- audio signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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
- G10L19/008—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
- G10L19/04—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
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462073462P | 2014-10-31 | 2014-10-31 | |
| US201562167711P | 2015-05-28 | 2015-05-28 | |
| PCT/EP2015/075022 WO2016066705A1 (en) | 2014-10-31 | 2015-10-28 | Parametric mixing of audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2732668T3 true ES2732668T3 (es) | 2019-11-25 |
Family
ID=54364338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES15787573T Active ES2732668T3 (es) | 2014-10-31 | 2015-10-28 | Mezcla paramétrica de señales de audio |
Country Status (39)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| WO2016066743A1 (en) | 2014-10-31 | 2016-05-06 | Dolby International Ab | Parametric encoding and decoding of multichannel audio signals |
| US10257636B2 (en) | 2015-04-21 | 2019-04-09 | Dolby Laboratories Licensing Corporation | Spatial audio signal manipulation |
| KR20210124283A (ko) * | 2019-01-21 | 2021-10-14 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 공간 오디오 표현을 인코딩하기 위한 장치 및 방법 또는 인코딩된 오디오 신호를 트랜스포트 메타데이터를 이용하여 디코딩하기 위한 장치 및 방법 및 연관된 컴퓨터 프로그램들 |
| US11523239B2 (en) * | 2019-07-22 | 2022-12-06 | Hisense Visual Technology Co., Ltd. | Display apparatus and method for processing audio |
| CN114424282B (zh) | 2019-09-03 | 2026-03-24 | 杜比实验室特许公司 | 低时延低频率效应编译码器 |
| EP4440151A4 (en) * | 2021-11-26 | 2024-11-27 | Beijing Xiaomi Mobile Software Co., Ltd. | METHOD AND DEVICE FOR STEREO AUDIO SIGNAL PROCESSING, ENCODING DEVICE, DECODING DEVICE AND STORAGE MEDIUM |
| CN117730367A (zh) * | 2023-10-31 | 2024-03-19 | 北京小米移动软件有限公司 | 分组方法、编码器、解码器以及存储介质 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7720230B2 (en) * | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| US20060106620A1 (en) | 2004-10-28 | 2006-05-18 | Thompson Jeffrey K | Audio spatial environment down-mixer |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| US7813933B2 (en) | 2004-11-22 | 2010-10-12 | Bang & Olufsen A/S | Method and apparatus for multichannel upmixing and downmixing |
| JP2008529364A (ja) | 2005-01-24 | 2008-07-31 | ティ エイチ エックス リミテッド | 周辺及び直接サラウンドサウンドシステム |
| TWI313857B (en) * | 2005-04-12 | 2009-08-21 | Coding Tech Ab | Apparatus for generating a parameter representation of a multi-channel signal and method for representing multi-channel audio signals |
| EP1829424B1 (en) * | 2005-04-15 | 2009-01-21 | Dolby Sweden AB | Temporal envelope shaping of decorrelated signals |
| CN101410891A (zh) * | 2006-02-03 | 2009-04-15 | 韩国电子通信研究院 | 使用空间线索控制多目标或多声道音频信号的渲染的方法和装置 |
| US7965848B2 (en) | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
| KR101012259B1 (ko) | 2006-10-16 | 2011-02-08 | 돌비 스웨덴 에이비 | 멀티채널 다운믹스된 객체 코딩의 개선된 코딩 및 파라미터 표현 |
| WO2008069593A1 (en) | 2006-12-07 | 2008-06-12 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| US8908873B2 (en) | 2007-03-21 | 2014-12-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for conversion between multi-channel audio formats |
| JP5133401B2 (ja) * | 2007-04-26 | 2013-01-30 | ドルビー・インターナショナル・アクチボラゲット | 出力信号の合成装置及び合成方法 |
| JP5883561B2 (ja) * | 2007-10-17 | 2016-03-15 | 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 | アップミックスを使用した音声符号器 |
| US8639368B2 (en) * | 2008-07-15 | 2014-01-28 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal |
| EP2214161A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
| EP2214162A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| EP2249334A1 (en) * | 2009-05-08 | 2010-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio format transcoder |
| JP5645951B2 (ja) | 2009-11-20 | 2014-12-24 | 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 | ダウンミックス信号表現に基づくアップミックス信号を提供する装置、マルチチャネルオーディオ信号を表しているビットストリームを提供する装置、方法、コンピュータプログラム、および線形結合パラメータを使用してマルチチャネルオーディオ信号を表しているビットストリーム |
| US9437198B2 (en) | 2012-07-02 | 2016-09-06 | Sony Corporation | Decoding device, decoding method, encoding device, encoding method, and program |
| EP3748632A1 (en) | 2012-07-09 | 2020-12-09 | Koninklijke Philips N.V. | Encoding and decoding of audio signals |
| EP2956935B1 (en) * | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| KR102244379B1 (ko) | 2013-10-21 | 2021-04-26 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
-
2015
- 2015-10-13 TW TW104133508A patent/TWI587286B/zh active
- 2015-10-28 CN CN201580059156.XA patent/CN107112020B/zh active Active
- 2015-10-28 JP JP2017522828A patent/JP6686015B2/ja active Active
- 2015-10-28 US US15/522,255 patent/US9930465B2/en active Active
- 2015-10-28 GE GEAP201514481A patent/GEP20196960B/en unknown
- 2015-10-28 GE GEAP201814481A patent/GEAP201814481A/en unknown
- 2015-10-28 PT PT15787573T patent/PT3213322T/pt unknown
- 2015-10-28 LT LTEP15787573.3T patent/LT3213322T/lt unknown
- 2015-10-28 PL PL15787573T patent/PL3213322T3/pl unknown
- 2015-10-28 AU AU2015340622A patent/AU2015340622B2/en active Active
- 2015-10-28 CA CA2965731A patent/CA2965731C/en active Active
- 2015-10-28 EA EA201790753A patent/EA034250B1/ru unknown
- 2015-10-28 ES ES15787573T patent/ES2732668T3/es active Active
- 2015-10-28 TN TN2017000143A patent/TN2017000143A1/en unknown
- 2015-10-28 SI SI201530795T patent/SI3213322T1/sl unknown
- 2015-10-28 HR HRP20191107TT patent/HRP20191107T1/hr unknown
- 2015-10-28 SG SG11201703263PA patent/SG11201703263PA/en unknown
- 2015-10-28 HK HK18102845.3A patent/HK1243547B/en unknown
- 2015-10-28 DK DK15787573.3T patent/DK3213322T3/da active
- 2015-10-28 MY MYPI2017701447A patent/MY190174A/en unknown
- 2015-10-28 RS RS20190769A patent/RS58874B1/sr unknown
- 2015-10-28 PE PE2017000726A patent/PE20170759A1/es unknown
- 2015-10-28 KR KR1020177011883A patent/KR102501969B1/ko active Active
- 2015-10-28 WO PCT/EP2015/075022 patent/WO2016066705A1/en not_active Ceased
- 2015-10-28 HU HUE15787573 patent/HUE044368T2/hu unknown
- 2015-10-28 UA UAA201704246A patent/UA123388C2/uk unknown
- 2015-10-28 EP EP15787573.3A patent/EP3213322B1/en active Active
- 2015-10-28 ME MEP-2019-170A patent/ME03453B/me unknown
- 2015-10-28 MX MX2017005409A patent/MX364405B/es active IP Right Grant
- 2015-10-30 UY UY0001036378A patent/UY36378A/es active IP Right Grant
-
2017
- 2017-04-12 ZA ZA2017/02647A patent/ZA201702647B/en unknown
- 2017-04-19 IL IL251789A patent/IL251789B/en active IP Right Grant
- 2017-04-20 PH PH12017500723A patent/PH12017500723B1/en unknown
- 2017-04-26 CL CL2017001037A patent/CL2017001037A1/es unknown
- 2017-04-27 GT GT201700088A patent/GT201700088A/es unknown
- 2017-04-27 CO CONC2017/0004283A patent/CO2017004283A2/es unknown
- 2017-04-28 SV SV2017005431A patent/SV2017005431A/es unknown
- 2017-04-30 SA SA517381440A patent/SA517381440B1/ar unknown
- 2017-05-03 EC ECIEPI201723702A patent/ECSP17023702A/es unknown
-
2019
- 2019-06-27 CY CY20191100677T patent/CY1121917T1/el unknown
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2732668T3 (es) | Mezcla paramétrica de señales de audio | |
| ES2930374T3 (es) | Aparato y método para codificar o decodificar parámetros de codificación de audio direccional utilizando diferentes resoluciones de tiempo/frecuencia | |
| ES2709661T3 (es) | Codificación y decodificación paramétrica de señales de audio multicanal | |
| ES2649194T3 (es) | Decodificador de audio, codificador de audio, procedimiento para proporcionar al menos cuatro señales de canales de audio sobre la base de una representación codificada, procedimiento para proporcionar una representación codificada sobre la base de al menos cuatro señales de canales de audio y programa informático que utiliza una extensión de ancho de banda | |
| ES2312025T3 (es) | Esquema de codificador/descodificador de multicanal casi transparente o transparente. | |
| JP4589962B2 (ja) | レベル・パラメータを生成する装置と方法、及びマルチチャネル表示を生成する装置と方法 | |
| ES2738490T3 (es) | Especificación de coeficientes ambisónicos de orden superior y/o armónicos esféricos en flujos de bits | |
| ES2660778T3 (es) | Reconstrucción paramétrica de señales de audio | |
| ES2435792T3 (es) | Codificación perfeccionada de señales digitales de audio multicanal | |
| ES2733878T3 (es) | Codificación mejorada de señales de audio digitales multicanales | |
| ES2899286T3 (es) | Configuración de envolvente temporal para codificación espacial de audio usando filtrado de Wiener de dominio de frecuencia | |
| ES2700246T3 (es) | Mejora paramétrica de la voz | |
| ES2636808T3 (es) | Codificación de escenas de audio | |
| ES2841419T3 (es) | Canales de señalización para codificación escalable de datos de audio ambisónico de orden superior | |
| ES2941268T3 (es) | Aparato, método y programa informático para codificación, decodificación, procesamiento de escenas y otros procedimientos relacionados con codificación de audio espacial basada en dirac que utiliza compensación difusa | |
| JP2023029374A (ja) | マルチチャネル・オーディオ・コンテンツの符号化 | |
| HK1243547A1 (en) | Parametric mixing of audio signals | |
| CN111630593A (zh) | 用于译码声场表示信号的方法和装置 | |
| CN105247893A (zh) | 音频信号输出装置和方法、编码装置和方法、解码装置和方法及程序 | |
| ES2696930T3 (es) | Obtención de información de simetría para renderizadores de audio ambisónicos de orden superior | |
| BR112017007521B1 (pt) | Método e sistema de decodificação de áudio e meio legível por computador |