CY1121917T1 - Παραμετρικη μειξη ακουστικων σηματων - Google Patents

Παραμετρικη μειξη ακουστικων σηματων

Info

Publication number
CY1121917T1
CY1121917T1 CY20191100677T CY191100677T CY1121917T1 CY 1121917 T1 CY1121917 T1 CY 1121917T1 CY 20191100677 T CY20191100677 T CY 20191100677T CY 191100677 T CY191100677 T CY 191100677T CY 1121917 T1 CY1121917 T1 CY 1121917T1
Authority
CY
Cyprus
Prior art keywords
signal
section
mixing
channels
groups
Prior art date
Application number
CY20191100677T
Other languages
Greek (el)
English (en)
Inventor
Lars Villemoes
Heiko Purnhagen
Heidi-Maria LEHTONEN
Original Assignee
Dolby International Ab
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 Dolby International Ab filed Critical Dolby International Ab
Publication of CY1121917T1 publication Critical patent/CY1121917T1/el

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/04Speech 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 using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
CY20191100677T 2014-10-31 2019-06-27 Παραμετρικη μειξη ακουστικων σηματων CY1121917T1 (el)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462073462P 2014-10-31 2014-10-31
US201562167711P 2015-05-28 2015-05-28
PCT/EP2015/075022 WO2016066705A1 (en) 2014-10-31 2015-10-28 Parametric mixing of audio signals

Publications (1)

Publication Number Publication Date
CY1121917T1 true CY1121917T1 (el) 2020-10-14

Family

ID=54364338

Family Applications (1)

Application Number Title Priority Date Filing Date
CY20191100677T CY1121917T1 (el) 2014-10-31 2019-06-27 Παραμετρικη μειξη ακουστικων σηματων

Country Status (39)

Country Link
US (1) US9930465B2 (enExample)
EP (1) EP3213322B1 (enExample)
JP (1) JP6686015B2 (enExample)
KR (1) KR102501969B1 (enExample)
CN (1) CN107112020B (enExample)
AU (1) AU2015340622B2 (enExample)
CA (1) CA2965731C (enExample)
CL (1) CL2017001037A1 (enExample)
CO (1) CO2017004283A2 (enExample)
CY (1) CY1121917T1 (enExample)
DK (1) DK3213322T3 (enExample)
EA (1) EA034250B1 (enExample)
EC (1) ECSP17023702A (enExample)
ES (1) ES2732668T3 (enExample)
GE (2) GEAP201814481A (enExample)
GT (1) GT201700088A (enExample)
HK (1) HK1243547B (enExample)
HR (1) HRP20191107T1 (enExample)
HU (1) HUE044368T2 (enExample)
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MX (1) MX364405B (enExample)
MY (1) MY190174A (enExample)
PE (1) PE20170759A1 (enExample)
PH (1) PH12017500723B1 (enExample)
PL (1) PL3213322T3 (enExample)
PT (1) PT3213322T (enExample)
RS (1) RS58874B1 (enExample)
SA (1) SA517381440B1 (enExample)
SG (1) SG11201703263PA (enExample)
SI (1) SI3213322T1 (enExample)
SV (1) SV2017005431A (enExample)
TN (1) TN2017000143A1 (enExample)
TW (1) TWI587286B (enExample)
UA (1) UA123388C2 (enExample)
UY (1) UY36378A (enExample)
WO (1) WO2016066705A1 (enExample)
ZA (1) ZA201702647B (enExample)

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RU2704266C2 (ru) 2014-10-31 2019-10-25 Долби Интернешнл Аб Параметрическое кодирование и декодирование многоканальных аудиосигналов
WO2016172254A1 (en) 2015-04-21 2016-10-27 Dolby Laboratories Licensing Corporation Spatial audio signal manipulation
MX2021008616A (es) * 2019-01-21 2021-10-13 Fraunhofer Ges Forschung Aparato y método para codificar una representación de audio espacial o aparato y método para decodificar una señal de audio codificada utilizando metadatos de transporte y programas de computadora relacionados.
US11523239B2 (en) * 2019-07-22 2022-12-06 Hisense Visual Technology Co., Ltd. Display apparatus and method for processing audio
BR112022003440A2 (pt) 2019-09-03 2022-05-24 Dolby Laboratories Licensing Corp Codec de efeitos de baixa latência, baixa frequência
WO2023092505A1 (zh) * 2021-11-26 2023-06-01 北京小米移动软件有限公司 一种立体声音频信号处理方法、装置、编码设备、解码设备及存储介质
CN117730367A (zh) * 2023-10-31 2024-03-19 北京小米移动软件有限公司 分组方法、编码器、解码器以及存储介质

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US20060106620A1 (en) 2004-10-28 2006-05-18 Thompson Jeffrey K Audio spatial environment down-mixer
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
US7813933B2 (en) 2004-11-22 2010-10-12 Bang & Olufsen A/S Method and apparatus for multichannel upmixing and downmixing
JP2008529364A (ja) 2005-01-24 2008-07-31 ティ エイチ エックス リミテッド 周辺及び直接サラウンドサウンドシステム
TWI313857B (en) * 2005-04-12 2009-08-21 Coding Tech Ab Apparatus for generating a parameter representation of a multi-channel signal and method for representing multi-channel audio signals
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US8639368B2 (en) * 2008-07-15 2014-01-28 Lg Electronics Inc. Method and an apparatus for processing an audio signal
EP2214162A1 (en) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
EP2214161A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for upmixing a downmix audio signal
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CN103748629B (zh) 2012-07-02 2017-04-05 索尼公司 解码装置和方法、编码装置和方法以及程序
US9478228B2 (en) 2012-07-09 2016-10-25 Koninklijke Philips N.V. Encoding and decoding of audio signals
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
KR102381216B1 (ko) 2013-10-21 2022-04-08 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성

Also Published As

Publication number Publication date
KR102501969B1 (ko) 2023-02-21
ES2732668T3 (es) 2019-11-25
SG11201703263PA (en) 2017-05-30
TW201629951A (zh) 2016-08-16
US9930465B2 (en) 2018-03-27
PH12017500723A1 (en) 2017-10-09
JP6686015B2 (ja) 2020-04-22
PE20170759A1 (es) 2017-07-04
CA2965731A1 (en) 2016-05-06
US20170332185A1 (en) 2017-11-16
SI3213322T1 (sl) 2019-08-30
CA2965731C (en) 2023-12-05
RS58874B1 (sr) 2019-08-30
EP3213322B1 (en) 2019-04-03
HK1243547B (en) 2019-11-29
IL251789B (en) 2019-07-31
CN107112020B (zh) 2021-01-22
TN2017000143A1 (en) 2018-10-19
TWI587286B (zh) 2017-06-11
HUE044368T2 (hu) 2019-10-28
ECSP17023702A (es) 2018-03-31
AU2015340622A1 (en) 2017-04-20
JP2017537342A (ja) 2017-12-14
LT3213322T (lt) 2019-09-25
SV2017005431A (es) 2017-06-07
CN107112020A (zh) 2017-08-29
MY190174A (en) 2022-03-31
BR112017007521A2 (pt) 2017-12-19
SA517381440B1 (ar) 2020-05-23
PT3213322T (pt) 2019-07-05
UA123388C2 (uk) 2021-03-31
PH12017500723B1 (en) 2021-06-18
KR20170078663A (ko) 2017-07-07
UY36378A (es) 2016-06-01
MX2017005409A (es) 2017-06-21
GEAP201814481A (en) 2018-12-10
GT201700088A (es) 2019-08-12
DK3213322T3 (da) 2019-07-15
ME03453B (me) 2020-01-20
MX364405B (es) 2019-04-24
WO2016066705A1 (en) 2016-05-06
NZ731194A (en) 2020-11-27
EA034250B1 (ru) 2020-01-21
GEP20196960B (en) 2019-03-25
CO2017004283A2 (es) 2017-07-19
IL251789A0 (en) 2017-06-29
ZA201702647B (en) 2018-08-29
PL3213322T3 (pl) 2019-09-30
EP3213322A1 (en) 2017-09-06
HRP20191107T1 (hr) 2019-10-18
CL2017001037A1 (es) 2017-12-01
EA201790753A1 (ru) 2017-12-29
AU2015340622B2 (en) 2021-04-01

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