MX365162B - Generacion de audio binaural en respuesta a audio multicanal utilizando al menos una red de retardo realimentada. - Google Patents

Generacion de audio binaural en respuesta a audio multicanal utilizando al menos una red de retardo realimentada.

Info

Publication number
MX365162B
MX365162B MX2017014383A MX2017014383A MX365162B MX 365162 B MX365162 B MX 365162B MX 2017014383 A MX2017014383 A MX 2017014383A MX 2017014383 A MX2017014383 A MX 2017014383A MX 365162 B MX365162 B MX 365162B
Authority
MX
Mexico
Prior art keywords
channel
response
channels
late reverberation
apply
Prior art date
Application number
MX2017014383A
Other languages
English (en)
Inventor
a davidson Grant
J Breebaart Dirk
m cooper David
Yen Kuan-Chieh
Wilson Rhonda
Shuang Zhiwei
Original Assignee
Dolby Laboratories Licensing Corp
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
Priority claimed from CN201410178258.0A external-priority patent/CN104768121A/zh
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Priority claimed from PCT/US2014/071100 external-priority patent/WO2015102920A1/en
Publication of MX365162B publication Critical patent/MX365162B/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • H04S7/306—For headphones
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • G10K15/12—Arrangements for producing a reverberation or echo sound using electronic time-delay networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)

Abstract

En algunas modalidades, los métodos de virtualización para generar una señal binaural en respuesta a canales de una señal de audio multicanal, que aplican una respuesta impulsiva binaural de sala (BRIR) a cada canal que incluye al utilizar al menos una red de retardo realimentada (FDN) para aplicar una reverberación tardía común a una mezcla de audio de los canales. En algunas modalidades, los canales de la señal de entrada son procesados en una primera ruta de procesamiento para aplicar a cada canal una porción de respuesta directa irreflexión temprana de una BRIR de un solo canal para el canal, y la mezcla de audio de los canales se procesa en una segunda ruta de procesamiento que incluye al menos una FDN que aplica la reverberación tardía común. Generalmente, la reverberación tardía común emula macro atributos colectivos de porciones de reverberación tardía de al menos algunas de las BRIRs de un solo canal. Otros aspectos son virtualizadores de auriculares configurados para llevar a cabo cualquier modalidad del método.
MX2017014383A 2014-01-03 2014-12-18 Generacion de audio binaural en respuesta a audio multicanal utilizando al menos una red de retardo realimentada. MX365162B (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461923579P 2014-01-03 2014-01-03
CN201410178258.0A CN104768121A (zh) 2014-01-03 2014-04-29 响应于多通道音频通过使用至少一个反馈延迟网络产生双耳音频
US201461988617P 2014-05-05 2014-05-05
PCT/US2014/071100 WO2015102920A1 (en) 2014-01-03 2014-12-18 Generating binaural audio in response to multi-channel audio using at least one feedback delay network

Publications (1)

Publication Number Publication Date
MX365162B true MX365162B (es) 2019-05-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017014383A MX365162B (es) 2014-01-03 2014-12-18 Generacion de audio binaural en respuesta a audio multicanal utilizando al menos una red de retardo realimentada.

Country Status (8)

Country Link
US (3) US10425763B2 (es)
JP (3) JP6607895B2 (es)
KR (1) KR102235413B1 (es)
CN (5) CN107750042B (es)
ES (2) ES2709248T3 (es)
HK (2) HK1251757A1 (es)
MX (1) MX365162B (es)
RU (1) RU2747713C2 (es)

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Also Published As

Publication number Publication date
US10771914B2 (en) 2020-09-08
HK1252865A1 (zh) 2019-06-06
CN105874820A8 (zh) 2016-11-02
CN107770718B (zh) 2020-01-17
KR20200075888A (ko) 2020-06-26
ES2837864T3 (es) 2021-07-01
JP2018014749A (ja) 2018-01-25
US10425763B2 (en) 2019-09-24
CN107770717B (zh) 2019-12-13
CN107770717A (zh) 2018-03-06
KR102235413B1 (ko) 2021-04-05
CN107750042B (zh) 2019-12-13
HK1251757A1 (zh) 2019-02-01
US20160345116A1 (en) 2016-11-24
JP6818841B2 (ja) 2021-01-20
ES2709248T3 (es) 2019-04-15
JP6607895B2 (ja) 2019-11-20
JP2021061631A (ja) 2021-04-15
CN107750042A (zh) 2018-03-02
JP7139409B2 (ja) 2022-09-20
RU2747713C2 (ru) 2021-05-13
RU2017138558A3 (es) 2021-03-11
CN105874820A (zh) 2016-08-17
JP2020025309A (ja) 2020-02-13
US10555109B2 (en) 2020-02-04
US20190373397A1 (en) 2019-12-05
RU2017138558A (ru) 2019-02-11
CN107835483A (zh) 2018-03-23
US20200245094A1 (en) 2020-07-30
CN107770718A (zh) 2018-03-06
CN107835483B (zh) 2020-07-28
CN105874820B (zh) 2017-12-12

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