HK1166174A1 - Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing - Google Patents

Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing

Info

Publication number
HK1166174A1
HK1166174A1 HK12106712.0A HK12106712A HK1166174A1 HK 1166174 A1 HK1166174 A1 HK 1166174A1 HK 12106712 A HK12106712 A HK 12106712A HK 1166174 A1 HK1166174 A1 HK 1166174A1
Authority
HK
Hong Kong
Prior art keywords
upmixing
computer program
audio signal
phase value
downmix audio
Prior art date
Application number
HK12106712.0A
Other languages
English (en)
Chinese (zh)
Inventor
Matthias Neusinger
Julien Robilliard
Johannes Hilpert
Original Assignee
弗勞恩霍夫應用研究促進協會
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 弗勞恩霍夫應用研究促進協會 filed Critical 弗勞恩霍夫應用研究促進協會
Publication of HK1166174A1 publication Critical patent/HK1166174A1/xx

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 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 
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
HK12106712.0A 2009-04-08 2012-07-10 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing HK1166174A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16760709P 2009-04-08 2009-04-08

Publications (1)

Publication Number Publication Date
HK1166174A1 true HK1166174A1 (en) 2012-10-19

Family

ID=42335156

Family Applications (2)

Application Number Title Priority Date Filing Date
HK12104684.9A HK1163915A1 (en) 2009-04-08 2012-05-14 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
HK12106712.0A HK1166174A1 (en) 2009-04-08 2012-07-10 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK12104684.9A HK1163915A1 (en) 2009-04-08 2012-05-14 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing

Country Status (20)

Country Link
US (6) US9053700B2 (xx)
EP (2) EP2405425B1 (xx)
JP (1) JP5358691B2 (xx)
KR (1) KR101356972B1 (xx)
CN (2) CN103325374B (xx)
AR (1) AR076238A1 (xx)
AU (1) AU2010233863B2 (xx)
BR (1) BRPI1004215B1 (xx)
CA (1) CA2746524C (xx)
CO (1) CO6501150A2 (xx)
ES (2) ES2452569T3 (xx)
HK (2) HK1163915A1 (xx)
MX (1) MX2011006248A (xx)
MY (1) MY160545A (xx)
PL (2) PL2394268T3 (xx)
RU (1) RU2550525C2 (xx)
SG (1) SG174117A1 (xx)
TW (1) TWI420512B (xx)
WO (1) WO2010115850A1 (xx)
ZA (1) ZA201103703B (xx)

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MX2019005214A (es) * 2016-11-08 2019-06-24 Fraunhofer Ges Forschung Mezclador y metodo para mezclar al menos dos canales y codificador multicanal y decodificador multicanal.
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JP7381483B2 (ja) * 2018-04-04 2023-11-15 ハーマン インターナショナル インダストリーズ インコーポレイテッド 自然な空間多様性をシミュレートするための動的オーディオアップミキサのパラメータ
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
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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
AU2021357364B2 (en) * 2020-10-09 2024-06-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing
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Also Published As

Publication number Publication date
RU2011123124A (ru) 2012-12-20
PL2405425T3 (pl) 2014-12-31
BRPI1004215A2 (pt) 2016-12-06
EP2394268A1 (en) 2011-12-14
US20200168233A1 (en) 2020-05-28
ZA201103703B (en) 2012-02-29
CO6501150A2 (es) 2012-08-15
JP2012512438A (ja) 2012-05-31
CN103325374B (zh) 2017-06-06
ES2511390T3 (es) 2014-10-22
AR076238A1 (es) 2011-05-26
MX2011006248A (es) 2011-07-20
CN102257563A (zh) 2011-11-23
PL2394268T3 (pl) 2014-06-30
HK1163915A1 (en) 2012-09-14
MY160545A (en) 2017-03-15
US11430453B2 (en) 2022-08-30
KR101356972B1 (ko) 2014-02-05
EP2405425A1 (en) 2012-01-11
US20150131801A1 (en) 2015-05-14
WO2010115850A1 (en) 2010-10-14
EP2405425B1 (en) 2014-07-23
AU2010233863A1 (en) 2010-10-14
ES2452569T3 (es) 2014-04-02
US20180358026A1 (en) 2018-12-13
SG174117A1 (en) 2011-10-28
EP2394268B1 (en) 2014-01-08
TWI420512B (zh) 2013-12-21
US20110255714A1 (en) 2011-10-20
KR20110095339A (ko) 2011-08-24
JP5358691B2 (ja) 2013-12-04
TW201118860A (en) 2011-06-01
BRPI1004215B1 (pt) 2021-08-17
RU2550525C2 (ru) 2015-05-10
CA2746524A1 (en) 2010-10-14
CA2746524C (en) 2015-03-03
AU2010233863B2 (en) 2013-09-26
US20220358939A1 (en) 2022-11-10
US9734832B2 (en) 2017-08-15
CN102257563B (zh) 2013-09-25
US10056087B2 (en) 2018-08-21
US20170301356A1 (en) 2017-10-19
CN103325374A (zh) 2013-09-25
US9053700B2 (en) 2015-06-09
US10580418B2 (en) 2020-03-03

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