BRPI1004215A2 - aparelho, método e programa de computador para upmixagem de sinal de áudio downmix utilizando uma atenuação de valor de fase - Google Patents

aparelho, método e programa de computador para upmixagem de sinal de áudio downmix utilizando uma atenuação de valor de fase

Info

Publication number
BRPI1004215A2
BRPI1004215A2 BRPI1004215A BRPI1004215A BRPI1004215A2 BR PI1004215 A2 BRPI1004215 A2 BR PI1004215A2 BR PI1004215 A BRPI1004215 A BR PI1004215A BR PI1004215 A BRPI1004215 A BR PI1004215A BR PI1004215 A2 BRPI1004215 A2 BR PI1004215A2
Authority
BR
Brazil
Prior art keywords
computer program
audio signal
phase value
downmix audio
value attenuation
Prior art date
Application number
BRPI1004215A
Other languages
English (en)
Inventor
Johannes Hilpert
Julien Robilliard
Matthias Neusinger
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 BRPI1004215A2 publication Critical patent/BRPI1004215A2/pt
Publication of BRPI1004215B1 publication Critical patent/BRPI1004215B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 
    • 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
BRPI1004215-6A 2009-04-08 2010-04-01 Aparelho e método para upmixagem de sinal de áudio downmix utilizando uma atenuação de valor de fase BRPI1004215B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16760709P 2009-04-08 2009-04-08
US61/167,607 2009-04-08
PCT/EP2010/054448 WO2010115850A1 (en) 2009-04-08 2010-04-01 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing

Publications (2)

Publication Number Publication Date
BRPI1004215A2 true BRPI1004215A2 (pt) 2016-12-06
BRPI1004215B1 BRPI1004215B1 (pt) 2021-08-17

Family

ID=42335156

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1004215-6A BRPI1004215B1 (pt) 2009-04-08 2010-04-01 Aparelho e método para upmixagem de sinal de áudio downmix utilizando uma atenuação de valor de fase

Country Status (20)

Country Link
US (6) US9053700B2 (pt)
EP (2) EP2405425B1 (pt)
JP (1) JP5358691B2 (pt)
KR (1) KR101356972B1 (pt)
CN (2) CN102257563B (pt)
AR (1) AR076238A1 (pt)
AU (1) AU2010233863B2 (pt)
BR (1) BRPI1004215B1 (pt)
CA (1) CA2746524C (pt)
CO (1) CO6501150A2 (pt)
ES (2) ES2511390T3 (pt)
HK (2) HK1163915A1 (pt)
MX (1) MX2011006248A (pt)
MY (1) MY160545A (pt)
PL (2) PL2394268T3 (pt)
RU (1) RU2550525C2 (pt)
SG (1) SG174117A1 (pt)
TW (1) TWI420512B (pt)
WO (1) WO2010115850A1 (pt)
ZA (1) ZA201103703B (pt)

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CN108353053B (zh) 2015-06-26 2021-04-16 康杜实验室公司 高速通信系统
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EP3748633A1 (en) * 2016-11-08 2020-12-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder
PT3539125T (pt) 2016-11-08 2023-01-27 Fraunhofer Ges Forschung Aparelho e método para codificar ou descodificar um sinal multicanal utilizando um ganho side e um ganho residual
US10366695B2 (en) 2017-01-19 2019-07-30 Qualcomm Incorporated Inter-channel phase difference parameter modification
KR102452390B1 (ko) * 2017-12-28 2022-10-06 칸도우 랩스 에스에이 동기식으로 스위칭된 다중 입력 복조 비교기
KR102626003B1 (ko) * 2018-04-04 2024-01-17 하만인터내셔날인더스트리스인코포레이티드 자연스러운 공간 변화 시뮬레이션을 위한 동적 오디오 업믹서 파라미터
CN108770120B (zh) * 2018-05-25 2021-03-23 上海乘讯信息科技有限公司 一种智能通道状态灯
EP3671741A1 (en) 2018-12-21 2020-06-24 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Audio processor and method for generating a frequency-enhanced audio signal using pulse processing
EP3726730B1 (en) * 2019-04-17 2021-08-25 Goodix Technology (HK) Company Limited Peak current limiter
CN110491366B (zh) * 2019-07-02 2021-11-09 招联消费金融有限公司 音频平滑处理方法、装置、计算机设备和存储介质
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Also Published As

Publication number Publication date
AU2010233863B2 (en) 2013-09-26
EP2394268A1 (en) 2011-12-14
EP2394268B1 (en) 2014-01-08
US20200168233A1 (en) 2020-05-28
CN103325374B (zh) 2017-06-06
PL2405425T3 (pl) 2014-12-31
US9734832B2 (en) 2017-08-15
ES2511390T3 (es) 2014-10-22
HK1163915A1 (en) 2012-09-14
US20220358939A1 (en) 2022-11-10
TWI420512B (zh) 2013-12-21
US10056087B2 (en) 2018-08-21
EP2405425B1 (en) 2014-07-23
MX2011006248A (es) 2011-07-20
HK1166174A1 (en) 2012-10-19
KR20110095339A (ko) 2011-08-24
RU2550525C2 (ru) 2015-05-10
EP2405425A1 (en) 2012-01-11
US11430453B2 (en) 2022-08-30
KR101356972B1 (ko) 2014-02-05
US9053700B2 (en) 2015-06-09
RU2011123124A (ru) 2012-12-20
CA2746524A1 (en) 2010-10-14
CO6501150A2 (es) 2012-08-15
US20180358026A1 (en) 2018-12-13
JP2012512438A (ja) 2012-05-31
ES2452569T3 (es) 2014-04-02
US20110255714A1 (en) 2011-10-20
JP5358691B2 (ja) 2013-12-04
TW201118860A (en) 2011-06-01
MY160545A (en) 2017-03-15
CN102257563B (zh) 2013-09-25
PL2394268T3 (pl) 2014-06-30
US20150131801A1 (en) 2015-05-14
WO2010115850A1 (en) 2010-10-14
AU2010233863A1 (en) 2010-10-14
AR076238A1 (es) 2011-05-26
US20170301356A1 (en) 2017-10-19
CA2746524C (en) 2015-03-03
CN103325374A (zh) 2013-09-25
US10580418B2 (en) 2020-03-03
ZA201103703B (en) 2012-02-29
CN102257563A (zh) 2011-11-23
SG174117A1 (en) 2011-10-28
BRPI1004215B1 (pt) 2021-08-17

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time
B15V Prolongation of time limit allowed

Free format text: REFERENTE A PETICAO NO 870210022525 DE 09.03.2021 - RECONHECIDA A JUSTA CAUSA, DE ACORDO COM O ARTIGO 221 DA LPI 9279/96 E O ARTIGO 2O DA RESOLUCAO 178/2017, SERA CONCEDIDO O PRAZO ADICIONAL DE 15 (QUINZE) DIAS, CONTADOS A PARTIR DA DATA DESTA PUBLICACAO

B11N Dismissal: publication cancelled [chapter 11.14 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 11.4 NA RPI NO 2605 DE 08/12/2020 POR TER SIDO INDEVIDA.

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 01/04/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.