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AR096987A1 - Mezcla ascendente espacial controlada por renderizador - Google Patents

Mezcla ascendente espacial controlada por renderizador

Info

Publication number
AR096987A1
AR096987A1 ARP140102689A ARP140102689A AR096987A1 AR 096987 A1 AR096987 A1 AR 096987A1 AR P140102689 A ARP140102689 A AR P140102689A AR P140102689 A ARP140102689 A AR P140102689A AR 096987 A1 AR096987 A1 AR 096987A1
Authority
AR
Argentina
Prior art keywords
processor
output signal
processors
signal
core decoder
Prior art date
Application number
ARP140102689A
Other languages
English (en)
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of AR096987A1 publication Critical patent/AR096987A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

Un dispositivo decodificador de audio para la decodificación de una señal de audio de entrada comprimida que comprende: por lo menos un decodificador núcleo (6, 24) que tiene uno o más procesadores (36, 36) para la generación de una señal de salida del procesador (37) sobre la base de una señal de entrada del procesador (38, 38), donde una cantidad de canales de salida (37.1, 37.2, 37.1, 37.2) de la señal de salida del procesador (37, 37) es mayor que una cantidad de canales de entrada (38.1, 38.1) de la señal de entrada del procesador (38, 38), donde cada uno de los uno o más procesadores (36, 36) comprende a descorrelacionador (39, 39) y una mezcladora (40, 40), donde una señal de salida de decodificador núcleo (13) que tiene una pluralidad de canales (13.1, 13.2, 13.3, 13,4) comprende una señal de salida del procesador (37, 37), y donde la señal de salida del decodificador núcleo (13) es adecuada para un contexto de altoparlante de referencia (42); por lo menos un dispositivo conversor de formato (9, 10) configurado para convertir la señal de salida del decodificador núcleo (13) en una señal de audio de salida (31), adecuada para un contexto de altoparlante objetivo (45); y un dispositivo de control (46) configurado para el control de por lo menos uno o más procesadores (36, 36) de manera tal que el descorrelacionador (39, 39) del procesador (36, 36) puede ser controlado en forma independiente de la mezcladora (40, 40) del procesador (36, 36), donde el dispositivo de control (46) está configurado para el control de por lo menos uno de los descorrelacionadores (39, 39) de los uno o mas procesadores (36, 36) de acuerdo con el contexto de altoparlante objetivo (45).
ARP140102689A 2013-07-22 2014-07-21 Mezcla ascendente espacial controlada por renderizador AR096987A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13177368 2013-07-22

Publications (1)

Publication Number Publication Date
AR096987A1 true AR096987A1 (es) 2016-02-10

Family

ID=48874136

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP140102689A AR096987A1 (es) 2013-07-22 2014-07-21 Mezcla ascendente espacial controlada por renderizador

Country Status (17)

Country Link
US (4) US10085104B2 (es)
EP (2) EP2830336A3 (es)
JP (1) JP6134867B2 (es)
KR (1) KR101795324B1 (es)
CN (2) CN105580391B (es)
AR (1) AR096987A1 (es)
AU (1) AU2014295285B2 (es)
BR (1) BR112016001246B1 (es)
CA (1) CA2918641C (es)
ES (1) ES2734378T3 (es)
MX (1) MX359379B (es)
PL (1) PL3025521T3 (es)
PT (1) PT3025521T (es)
RU (1) RU2659497C2 (es)
SG (1) SG11201600459VA (es)
TW (1) TWI541796B (es)
WO (1) WO2015010937A2 (es)

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KR102406776B1 (ko) 2011-07-01 2022-06-10 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 오디오 신호 생성， 코딩 및 렌더링을 위한 시스템 및 방법
WO2014112793A1 (ko) * 2013-01-15 2014-07-24 한국전자통신연구원 채널 신호를 처리하는 부호화/복호화 장치 및 방법
EP2830336A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Renderer controlled spatial upmix
EP3044783B1 (en) 2013-09-12 2017-07-19 Dolby International AB Audio coding
EP4123643B1 (en) 2015-03-03 2024-06-19 Dolby Laboratories Licensing Corporation Enhancement of spatial audio signals by modulated decorrelation
US10607622B2 (en) * 2015-06-17 2020-03-31 Samsung Electronics Co., Ltd. Device and method for processing internal channel for low complexity format conversion
KR102657547B1 (ko) 2015-06-17 2024-04-15 삼성전자주식회사 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치
WO2017165968A1 (en) * 2016-03-29 2017-10-05 Rising Sun Productions Limited A system and method for creating three-dimensional binaural audio from stereo, mono and multichannel sound sources
US9913061B1 (en) 2016-08-29 2018-03-06 The Directv Group, Inc. Methods and systems for rendering binaural audio content
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
CN117690442A (zh) 2017-07-28 2024-03-12 弗劳恩霍夫应用研究促进协会 用于使用宽频带滤波器生成的填充信号对已编码的多声道信号进行编码或解码的装置
WO2020216459A1 (en) * 2019-04-23 2020-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating an output downmix representation
EP3809709A1 (en) * 2019-10-14 2021-04-21 Koninklijke Philips N.V. Apparatus and method for audio encoding
CN114822564B (zh) * 2021-01-21 2025-06-06 华为技术有限公司 音频对象的比特分配方法和装置
WO2022258876A1 (en) * 2021-06-10 2022-12-15 Nokia Technologies Oy Parametric spatial audio rendering
WO2024012666A1 (en) * 2022-07-12 2024-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding ar/vr metadata with generic codebooks

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US6311155B1 (en) * 2000-02-04 2001-10-30 Hearing Enhancement Company Llc Use of voice-to-remaining audio (VRA) in consumer applications
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
CA3026267C (en) * 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
JP2006050241A (ja) * 2004-08-04 2006-02-16 Matsushita Electric Ind Co Ltd 復号化装置
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
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ES2376889T3 (es) * 2006-03-24 2012-03-20 Dolby International Ab Generación de mezclas descendentes espaciales a partir de representaciones paramétricas de señales multicanal
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EP2830336A3 (en) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Renderer controlled spatial upmix

Also Published As

Publication number Publication date
AU2014295285A1 (en) 2016-03-10
AU2014295285B2 (en) 2017-09-07
ES2734378T3 (es) 2019-12-05
TW201517021A (zh) 2015-05-01
US20180124541A1 (en) 2018-05-03
US20190281401A1 (en) 2019-09-12
US20160157040A1 (en) 2016-06-02
MX2016000916A (es) 2016-05-05
KR101795324B1 (ko) 2017-12-01
US20220070603A1 (en) 2022-03-03
RU2659497C2 (ru) 2018-07-02
BR112016001246A2 (es) 2017-07-25
JP6134867B2 (ja) 2017-05-31
WO2015010937A2 (en) 2015-01-29
TWI541796B (zh) 2016-07-11
MX359379B (es) 2018-09-25
RU2016105520A (ru) 2017-08-29
WO2015010937A3 (en) 2015-03-19
CA2918641C (en) 2020-10-27
CN110234060A (zh) 2019-09-13
CN105580391B (zh) 2019-04-12
EP2830336A3 (en) 2015-03-04
PL3025521T3 (pl) 2019-10-31
CN105580391A (zh) 2016-05-11
US11184728B2 (en) 2021-11-23
EP2830336A2 (en) 2015-01-28
KR20160033734A (ko) 2016-03-28
EP3025521B1 (en) 2019-05-01
PT3025521T (pt) 2019-08-05
CN110234060B (zh) 2021-09-28
CA2918641A1 (en) 2015-01-29
JP2016527804A (ja) 2016-09-08
US10341801B2 (en) 2019-07-02
US10085104B2 (en) 2018-09-25
SG11201600459VA (en) 2016-02-26
US11743668B2 (en) 2023-08-29
BR112016001246B1 (pt) 2022-03-15
EP3025521A2 (en) 2016-06-01

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