SV2017005431A - Mezcla paramã‰trica de seã‘ales de audio - Google Patents

Mezcla paramã‰trica de seã‘ales de audio

Info

Publication number
SV2017005431A
SV2017005431A SV2017005431A SV2017005431A SV2017005431A SV 2017005431 A SV2017005431 A SV 2017005431A SV 2017005431 A SV2017005431 A SV 2017005431A SV 2017005431 A SV2017005431 A SV 2017005431A SV 2017005431 A SV2017005431 A SV 2017005431A
Authority
SV
El Salvador
Prior art keywords
signal
mixing
section
descending
channel
Prior art date
Application number
SV2017005431A
Other languages
English (en)
Spanish (es)
Inventor
Lars Villemoes
Heiko Purnhagen
Heidi-Maria Lehtonen
Original Assignee
Dolby Int 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 Int Ab filed Critical Dolby Int Ab
Publication of SV2017005431A publication Critical patent/SV2017005431A/es

Links

Classifications

    • 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 
    • 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
    • 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)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SV2017005431A 2014-10-31 2017-04-28 Mezcla paramã‰trica de seã‘ales de audio SV2017005431A (es)

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
SV2017005431A true SV2017005431A (es) 2017-06-07

Family

ID=54364338

Family Applications (1)

Application Number Title Priority Date Filing Date
SV2017005431A SV2017005431A (es) 2014-10-31 2017-04-28 Mezcla paramã‰trica de seã‘ales de audio

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 (1) GEP20196960B (enExample)
GT (1) GT201700088A (enExample)
HK (1) HK1243547B (enExample)
HR (1) HRP20191107T1 (enExample)
HU (1) HUE044368T2 (enExample)
IL (1) IL251789B (enExample)
LT (1) LT3213322T (enExample)
ME (1) ME03453B (enExample)
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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US9674587B2 (en) * 2012-06-26 2017-06-06 Sonos, Inc. Systems and methods for networked music playback including remote add to queue
BR112017008015B1 (pt) * 2014-10-31 2023-11-14 Dolby International Ab Métodos e sistemas de decodificação e codificação de áudio
US10257636B2 (en) 2015-04-21 2019-04-09 Dolby Laboratories Licensing Corporation Spatial audio signal manipulation
WO2020152154A1 (en) * 2019-01-21 2020-07-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding a spatial audio representation or apparatus and method for decoding an encoded audio signal using transport metadata and related computer programs
US11523239B2 (en) * 2019-07-22 2022-12-06 Hisense Visual Technology Co., Ltd. Display apparatus and method for processing audio
JP2022547038A (ja) 2019-09-03 2022-11-10 ドルビー ラボラトリーズ ライセンシング コーポレイション 低レイテンシ・低音効果コーデック
EP4440151A4 (en) * 2021-11-26 2024-11-27 Beijing Xiaomi Mobile Software Co., Ltd. METHOD AND DEVICE FOR STEREO AUDIO SIGNAL PROCESSING, ENCODING DEVICE, DECODING DEVICE AND STORAGE MEDIUM
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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US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
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
EP1825713B1 (en) 2004-11-22 2012-10-17 Bang & Olufsen A/S A method and apparatus for multichannel upmixing and downmixing
US20060165247A1 (en) 2005-01-24 2006-07-27 Thx, Ltd. Ambient and direct surround sound system
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
ATE421845T1 (de) * 2005-04-15 2009-02-15 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
EP3267439A1 (en) * 2006-02-03 2018-01-10 Electronics and Telecommunications Research Institute Method and apparatus for control of rendering multiobject or multichannel audio signal using spatial cue
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
EP2068307B1 (en) 2006-10-16 2011-12-07 Dolby International AB Enhanced coding and parameter representation of multichannel downmixed object coding
JP5450085B2 (ja) 2006-12-07 2014-03-26 エルジー エレクトロニクス インコーポレイティド オーディオ処理方法及び装置
US8908873B2 (en) 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
EP2137725B1 (en) * 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
JP5883561B2 (ja) * 2007-10-17 2016-03-15 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ アップミックスを使用した音声符号器
CN102099854B (zh) * 2008-07-15 2012-11-28 Lg电子株式会社 处理音频信号的方法和装置
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
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
EP2249334A1 (en) 2009-05-08 2010-11-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio format transcoder
BR112012012097B1 (pt) 2009-11-20 2021-01-05 Fraunhofer - Gesellschaft Zur Foerderung Der Angewandten Ten Forschung E.V. aparelho para prover uma representação de sinal upmix com base na representação de sinal downmix, aparelho para prover um fluxo de bits que representa um sinal de áudio de multicanais, métodos e fluxo de bits representando um sinal de áudio de multicanais utilizando um parâmetro de combinação linear
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EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
ES2660778T3 (es) 2013-10-21 2018-03-26 Dolby International Ab Reconstrucción paramétrica de señales de audio

Also Published As

Publication number Publication date
EP3213322B1 (en) 2019-04-03
TWI587286B (zh) 2017-06-11
KR20170078663A (ko) 2017-07-07
TW201629951A (zh) 2016-08-16
DK3213322T3 (da) 2019-07-15
IL251789B (en) 2019-07-31
HK1243547B (en) 2019-11-29
CN107112020B (zh) 2021-01-22
EA034250B1 (ru) 2020-01-21
PT3213322T (pt) 2019-07-05
UA123388C2 (uk) 2021-03-31
CY1121917T1 (el) 2020-10-14
AU2015340622A1 (en) 2017-04-20
JP6686015B2 (ja) 2020-04-22
IL251789A0 (en) 2017-06-29
AU2015340622B2 (en) 2021-04-01
TN2017000143A1 (en) 2018-10-19
HRP20191107T1 (hr) 2019-10-18
KR102501969B1 (ko) 2023-02-21
GT201700088A (es) 2019-08-12
EP3213322A1 (en) 2017-09-06
MY190174A (en) 2022-03-31
RS58874B1 (sr) 2019-08-30
MX364405B (es) 2019-04-24
HUE044368T2 (hu) 2019-10-28
SA517381440B1 (ar) 2020-05-23
GEP20196960B (en) 2019-03-25
PL3213322T3 (pl) 2019-09-30
CA2965731C (en) 2023-12-05
EA201790753A1 (ru) 2017-12-29
US20170332185A1 (en) 2017-11-16
CA2965731A1 (en) 2016-05-06
PE20170759A1 (es) 2017-07-04
JP2017537342A (ja) 2017-12-14
WO2016066705A1 (en) 2016-05-06
CL2017001037A1 (es) 2017-12-01
BR112017007521A2 (pt) 2017-12-19
LT3213322T (lt) 2019-09-25
CN107112020A (zh) 2017-08-29
ECSP17023702A (es) 2018-03-31
PH12017500723A1 (en) 2017-10-09
ME03453B (me) 2020-01-20
ES2732668T3 (es) 2019-11-25
MX2017005409A (es) 2017-06-21
NZ731194A (en) 2020-11-27
PH12017500723B1 (en) 2021-06-18
CO2017004283A2 (es) 2017-07-19
ZA201702647B (en) 2018-08-29
SG11201703263PA (en) 2017-05-30
US9930465B2 (en) 2018-03-27
SI3213322T1 (sl) 2019-08-30
UY36378A (es) 2016-06-01

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