PL2405425T3 - Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu z użyciem wygładzania wartości faz - Google Patents
Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu z użyciem wygładzania wartości fazInfo
- Publication number
- PL2405425T3 PL2405425T3 PL11183975T PL11183975T PL2405425T3 PL 2405425 T3 PL2405425 T3 PL 2405425T3 PL 11183975 T PL11183975 T PL 11183975T PL 11183975 T PL11183975 T PL 11183975T PL 2405425 T3 PL2405425 T3 PL 2405425T3
- Authority
- PL
- Poland
- Prior art keywords
- upmixing
- computer program
- audio signal
- phase value
- downmix audio
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
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- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16760709P | 2009-04-08 | 2009-04-08 | |
EP11183975.9A EP2405425B1 (en) | 2009-04-08 | 2010-04-01 | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
EP10716780.1A EP2394268B1 (en) | 2009-04-08 | 2010-04-01 | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
Publications (1)
Publication Number | Publication Date |
---|---|
PL2405425T3 true PL2405425T3 (pl) | 2014-12-31 |
Family
ID=42335156
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL10716780T PL2394268T3 (pl) | 2009-04-08 | 2010-04-01 | Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu z użyciem wygładzania wartości faz |
PL11183975T PL2405425T3 (pl) | 2009-04-08 | 2010-04-01 | Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu z użyciem wygładzania wartości faz |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL10716780T PL2394268T3 (pl) | 2009-04-08 | 2010-04-01 | Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu z użyciem wygładzania wartości faz |
Country Status (20)
Country | Link |
---|---|
US (6) | US9053700B2 (pl) |
EP (2) | EP2394268B1 (pl) |
JP (1) | JP5358691B2 (pl) |
KR (1) | KR101356972B1 (pl) |
CN (2) | CN103325374B (pl) |
AR (1) | AR076238A1 (pl) |
AU (1) | AU2010233863B2 (pl) |
BR (1) | BRPI1004215B1 (pl) |
CA (1) | CA2746524C (pl) |
CO (1) | CO6501150A2 (pl) |
ES (2) | ES2452569T3 (pl) |
HK (2) | HK1163915A1 (pl) |
MX (1) | MX2011006248A (pl) |
MY (1) | MY160545A (pl) |
PL (2) | PL2394268T3 (pl) |
RU (1) | RU2550525C2 (pl) |
SG (1) | SG174117A1 (pl) |
TW (1) | TWI420512B (pl) |
WO (1) | WO2010115850A1 (pl) |
ZA (1) | ZA201103703B (pl) |
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US8666752B2 (en) * | 2009-03-18 | 2014-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding multi-channel signal |
KR20110022252A (ko) * | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 스테레오 오디오의 부호화, 복호화 방법 및 장치 |
WO2011039668A1 (en) * | 2009-09-29 | 2011-04-07 | Koninklijke Philips Electronics N.V. | Apparatus for mixing a digital audio |
US9424852B2 (en) | 2011-02-02 | 2016-08-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Determining the inter-channel time difference of a multi-channel audio signal |
ITTO20120067A1 (it) * | 2012-01-26 | 2013-07-27 | Inst Rundfunktechnik Gmbh | Method and apparatus for conversion of a multi-channel audio signal into a two-channel audio signal. |
KR101621287B1 (ko) | 2012-04-05 | 2016-05-16 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 다채널 오디오 신호 및 다채널 오디오 인코더를 위한 인코딩 파라미터를 결정하는 방법 |
BR112015017632B1 (pt) | 2013-01-29 | 2022-06-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Aparelho e método para gerar um sinal melhorado da frequência utilizando nivelamento temporal de sub-bandas |
TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
PL3022949T3 (pl) * | 2013-07-22 | 2018-04-30 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Wielokanałowy dekoder audio, wielokanałowy koder audio, sposoby, program komputerowy i zakodowana reprezentacja audio z użyciem dekorelacji renderowanych sygnałów audio |
EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
EP2830333A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input 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 |
US9990935B2 (en) | 2013-09-12 | 2018-06-05 | Dolby Laboratories Licensing Corporation | System aspects of an audio codec |
CN105531761B (zh) * | 2013-09-12 | 2019-04-30 | 杜比国际公司 | 音频解码系统和音频编码系统 |
EP2854133A1 (en) | 2013-09-27 | 2015-04-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Generation of a downmix signal |
EP3061089B1 (en) | 2013-10-21 | 2018-01-17 | Dolby International AB | Parametric reconstruction of audio signals |
RU2641463C2 (ru) | 2013-10-21 | 2018-01-17 | Долби Интернэшнл Аб | Структура декоррелятора для параметрического восстановления звуковых сигналов |
CN104681029B (zh) * | 2013-11-29 | 2018-06-05 | 华为技术有限公司 | 立体声相位参数的编码方法及装置 |
BR112017008015B1 (pt) | 2014-10-31 | 2023-11-14 | Dolby International Ab | Métodos e sistemas de decodificação e codificação de áudio |
WO2016168408A1 (en) | 2015-04-17 | 2016-10-20 | Dolby Laboratories Licensing Corporation | Audio encoding and rendering with discontinuity compensation |
US9832046B2 (en) | 2015-06-26 | 2017-11-28 | Kandou Labs, S.A. | High speed communications system |
US10224042B2 (en) * | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
AU2017357454B2 (en) * | 2016-11-08 | 2021-02-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation |
BR112019009424A2 (pt) | 2016-11-08 | 2019-07-30 | Fraunhofer Ges Forschung | mixador de redução, método para mixagem de redução de pelo menos dois canais, codificador multicanal, método para codificar um sinal multicanal, sistema e método de processamento de áudio |
US10366695B2 (en) | 2017-01-19 | 2019-07-30 | Qualcomm Incorporated | Inter-channel phase difference parameter modification |
KR102498475B1 (ko) * | 2017-12-28 | 2023-02-09 | 칸도우 랩스 에스에이 | 동기식으로 스위칭된 다중 입력 복조 비교기 |
WO2019195269A1 (en) * | 2018-04-04 | 2019-10-10 | Harman International Industries, Incorporated | Dynamic audio upmixer parameters for simulating natural spatial variations |
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 |
AU2021358432A1 (en) * | 2020-10-09 | 2023-05-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter conversion |
EP4226367A2 (en) * | 2020-10-09 | 2023-08-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing |
US11533576B2 (en) * | 2021-03-29 | 2022-12-20 | Cae Inc. | Method and system for limiting spatial interference fluctuations between audio signals |
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CN101379555B (zh) * | 2006-02-07 | 2013-03-13 | Lg电子株式会社 | 用于编码/解码信号的装置和方法 |
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RU2343563C1 (ru) * | 2007-05-21 | 2009-01-10 | Федеральное государственное унитарное предприятие "ПЕНЗЕНСКИЙ НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ ЭЛЕКТРОТЕХНИЧЕСКИЙ ИНСТИТУТ" (ФГУП "ПНИЭИ") | Способ передачи и приема закодированной речи |
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KR101108061B1 (ko) * | 2008-09-25 | 2012-01-25 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치 |
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2010
- 2010-04-01 MY MYPI2011002809A patent/MY160545A/en unknown
- 2010-04-01 EP EP10716780.1A patent/EP2394268B1/en active Active
- 2010-04-01 KR KR1020117013619A patent/KR101356972B1/ko active IP Right Grant
- 2010-04-01 MX MX2011006248A patent/MX2011006248A/es active IP Right Grant
- 2010-04-01 SG SG2011044419A patent/SG174117A1/en unknown
- 2010-04-01 WO PCT/EP2010/054448 patent/WO2010115850A1/en active Application Filing
- 2010-04-01 CA CA2746524A patent/CA2746524C/en active Active
- 2010-04-01 ES ES10716780.1T patent/ES2452569T3/es active Active
- 2010-04-01 BR BRPI1004215-6A patent/BRPI1004215B1/pt active IP Right Grant
- 2010-04-01 CN CN201310120468.XA patent/CN103325374B/zh active Active
- 2010-04-01 JP JP2011541522A patent/JP5358691B2/ja active Active
- 2010-04-01 AU AU2010233863A patent/AU2010233863B2/en active Active
- 2010-04-01 ES ES11183975.9T patent/ES2511390T3/es active Active
- 2010-04-01 PL PL10716780T patent/PL2394268T3/pl unknown
- 2010-04-01 EP EP11183975.9A patent/EP2405425B1/en active Active
- 2010-04-01 RU RU2011123124/08A patent/RU2550525C2/ru not_active Application Discontinuation
- 2010-04-01 PL PL11183975T patent/PL2405425T3/pl unknown
- 2010-04-01 CN CN2010800035956A patent/CN102257563B/zh active Active
- 2010-04-07 TW TW099110718A patent/TWI420512B/zh active
- 2010-04-08 AR ARP100101185A patent/AR076238A1/es active IP Right Grant
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2011
- 2011-05-20 ZA ZA2011/03703A patent/ZA201103703B/en unknown
- 2011-05-27 CO CO11065844A patent/CO6501150A2/es active IP Right Grant
- 2011-06-02 US US13/151,412 patent/US9053700B2/en active Active
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2012
- 2012-05-14 HK HK12104684.9A patent/HK1163915A1/xx unknown
- 2012-07-10 HK HK12106712.0A patent/HK1166174A1/xx unknown
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2015
- 2015-01-20 US US14/600,122 patent/US9734832B2/en active Active
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2017
- 2017-06-29 US US15/636,808 patent/US10056087B2/en active Active
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2018
- 2018-08-20 US US16/104,990 patent/US10580418B2/en active Active
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2020
- 2020-01-30 US US16/776,621 patent/US11430453B2/en active Active
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2022
- 2022-07-20 US US17/868,881 patent/US20220358939A1/en active Pending
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