ES2732668T3 - Mezcla paramétrica de señales de audio - Google Patents

Mezcla paramétrica de señales de audio Download PDF

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Publication number
ES2732668T3
ES2732668T3 ES15787573T ES15787573T ES2732668T3 ES 2732668 T3 ES2732668 T3 ES 2732668T3 ES 15787573 T ES15787573 T ES 15787573T ES 15787573 T ES15787573 T ES 15787573T ES 2732668 T3 ES2732668 T3 ES 2732668T3
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Spain
Prior art keywords
channels
signal
channel
additional
audio signal
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ES15787573T
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English (en)
Spanish (es)
Inventor
Lars Villemoes
Heiko Purnhagen
Heidi-Maria Lehtonen
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Dolby International AB
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Dolby International AB
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    • 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)
  • 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)
ES15787573T 2014-10-31 2015-10-28 Mezcla paramétrica de señales de audio Active ES2732668T3 (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
ES2732668T3 true ES2732668T3 (es) 2019-11-25

Family

ID=54364338

Family Applications (1)

Application Number Title Priority Date Filing Date
ES15787573T Active ES2732668T3 (es) 2014-10-31 2015-10-28 Mezcla paramétrica de señales 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 (2) GEAP201814481A (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
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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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
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
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
US9426596B2 (en) * 2006-02-03 2016-08-23 Electronics And Telecommunications Research Institute Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
ATE536612T1 (de) 2006-10-16 2011-12-15 Dolby Int Ab Verbesserte kodierungs- und parameterdarstellung von mehrkanaliger abwärtsgemischter objektkodierung
KR101100222B1 (ko) 2006-12-07 2011-12-28 엘지전자 주식회사 오디오 처리 방법 및 장치
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
ES2452348T3 (es) * 2007-04-26 2014-04-01 Dolby International Ab Aparato y procedimiento para sintetizar una señal de salida
KR101303441B1 (ko) 2007-10-17 2013-09-10 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다운믹스를 이용한 오디오 코딩
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
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
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
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
CY1121917T1 (el) 2020-10-14
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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