PL2380167T3 - Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu - Google Patents

Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu

Info

Publication number
PL2380167T3
PL2380167T3 PL10701119T PL10701119T PL2380167T3 PL 2380167 T3 PL2380167 T3 PL 2380167T3 PL 10701119 T PL10701119 T PL 10701119T PL 10701119 T PL10701119 T PL 10701119T PL 2380167 T3 PL2380167 T3 PL 2380167T3
Authority
PL
Poland
Prior art keywords
upmixing
computer program
audio signal
downmix audio
downmix
Prior art date
Application number
PL10701119T
Other languages
English (en)
Inventor
Matthias Neusinger
Julien Robilliard
Johannes Hilpert
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 PL2380167T3 publication Critical patent/PL2380167T3/pl

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
PL10701119T 2009-01-28 2010-01-12 Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu PL2380167T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US14781509P 2009-01-28 2009-01-28
EP09007086A EP2214161A1 (en) 2009-01-28 2009-05-27 Apparatus, method and computer program for upmixing a downmix audio signal
EP10701119A EP2380167B1 (en) 2009-01-28 2010-01-12 Apparatus, method and computer program for upmixing a downmix audio signal
PCT/EP2010/050279 WO2010086216A1 (en) 2009-01-28 2010-01-12 Apparatus, method and computer program for upmixing a downmix audio signal

Publications (1)

Publication Number Publication Date
PL2380167T3 true PL2380167T3 (pl) 2013-06-28

Family

ID=41139170

Family Applications (1)

Application Number Title Priority Date Filing Date
PL10701119T PL2380167T3 (pl) 2009-01-28 2010-01-12 Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu

Country Status (20)

Country Link
US (1) US8867753B2 (pl)
EP (2) EP2214161A1 (pl)
JP (1) JP5174973B2 (pl)
KR (1) KR101290486B1 (pl)
CN (1) CN102301420B (pl)
AR (1) AR075163A1 (pl)
AU (1) AU2010209869B2 (pl)
BR (1) BRPI1005299B1 (pl)
CA (1) CA2750272C (pl)
CO (1) CO6420380A2 (pl)
ES (1) ES2401554T3 (pl)
HK (1) HK1163912A1 (pl)
MX (1) MX2011007924A (pl)
MY (1) MY156497A (pl)
PL (1) PL2380167T3 (pl)
RU (1) RU2518696C2 (pl)
SG (1) SG173138A1 (pl)
TW (1) TWI417870B (pl)
WO (1) WO2010086216A1 (pl)
ZA (1) ZA201105417B (pl)

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KR101760248B1 (ko) 2013-05-24 2017-07-21 돌비 인터네셔널 에이비 오디오 오브젝트들을 포함한 오디오 장면들의 효율적 코딩
EP2838086A1 (en) 2013-07-22 2015-02-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2830332A3 (en) 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method, signal processing unit, and computer program for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration
CN110473560B (zh) 2013-09-12 2023-01-06 杜比国际公司 多声道音频内容的编码
EP2854133A1 (en) 2013-09-27 2015-04-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Generation of a downmix signal
TWI557724B (zh) * 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
EP3074970B1 (en) * 2013-10-21 2018-02-21 Dolby International AB Audio encoder and decoder
ES2660778T3 (es) 2013-10-21 2018-03-26 Dolby International Ab Reconstrucción paramétrica de señales de audio
EP3127109B1 (en) 2014-04-01 2018-03-14 Dolby International AB Efficient coding of audio scenes comprising audio objects
TWI587286B (zh) * 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
CN107818790B (zh) * 2017-11-16 2020-08-11 苏州麦迪斯顿医疗科技股份有限公司 一种多路音频混音方法及装置

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Also Published As

Publication number Publication date
CN102301420B (zh) 2014-12-24
ZA201105417B (en) 2012-03-28
WO2010086216A1 (en) 2010-08-05
KR20110111432A (ko) 2011-10-11
ES2401554T3 (es) 2013-04-22
EP2380167B1 (en) 2013-01-02
SG173138A1 (en) 2011-08-29
AR075163A1 (es) 2011-03-16
TW201034005A (en) 2010-09-16
RU2011133700A (ru) 2013-03-10
US8867753B2 (en) 2014-10-21
KR101290486B1 (ko) 2013-07-26
AU2010209869A1 (en) 2011-08-25
JP5174973B2 (ja) 2013-04-03
RU2518696C2 (ru) 2014-06-10
BRPI1005299B1 (pt) 2020-11-24
CO6420380A2 (es) 2012-04-16
EP2214161A1 (en) 2010-08-04
JP2012516461A (ja) 2012-07-19
MY156497A (en) 2016-02-26
MX2011007924A (es) 2011-08-17
EP2380167A1 (en) 2011-10-26
BRPI1005299A2 (pt) 2016-12-06
CN102301420A (zh) 2011-12-28
AU2010209869B2 (en) 2013-07-11
CA2750272C (en) 2015-04-21
CA2750272A1 (en) 2010-08-05
US20110317842A1 (en) 2011-12-29
HK1163912A1 (en) 2012-09-14
TWI417870B (zh) 2013-12-01

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