BR112014018342A8 - Método e sistema para determinar um controlador de précompensação de áudio para um sistema gerador de som associado, memória legível por computador, controlador de pré-compensação de áudio e sistema de áudio - Google Patents

Método e sistema para determinar um controlador de précompensação de áudio para um sistema gerador de som associado, memória legível por computador, controlador de pré-compensação de áudio e sistema de áudio

Info

Publication number
BR112014018342A8
BR112014018342A8 BR112014018342A BR112014018342A BR112014018342A8 BR 112014018342 A8 BR112014018342 A8 BR 112014018342A8 BR 112014018342 A BR112014018342 A BR 112014018342A BR 112014018342 A BR112014018342 A BR 112014018342A BR 112014018342 A8 BR112014018342 A8 BR 112014018342A8
Authority
BR
Brazil
Prior art keywords
audio
speaker
speakers
precompensation controller
determining
Prior art date
Application number
BR112014018342A
Other languages
English (en)
Other versions
BR112014018342B1 (pt
BR112014018342A2 (pt
Inventor
Lars-Johan Brännmark
Anders Ahlén
Adrian Bahne
Original Assignee
Dirac Res 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 Dirac Res Ab filed Critical Dirac Res Ab
Publication of BR112014018342A2 publication Critical patent/BR112014018342A2/pt
Publication of BR112014018342A8 publication Critical patent/BR112014018342A8/pt
Publication of BR112014018342B1 publication Critical patent/BR112014018342B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

MODELO DE REGULADOR DE PRÉ-COMPENSAÇÃO DE ÁUDIO USANDO UM CONJUNTO VARIÁVEL DE ALTO-FALANTES DE SUPORTE. A invenção está correlacionada a uma ideia básica de determinar um regulador de pré-compensação de áudio para um associado sistema gerador de som, compreendendo um total de N (Maior igual) 2 alto-falantes, cada tendo uma entrada de alto-falante. O regulador de pré-compensação de áudio apresenta um número de L (Maior igual) 1 entradas para L sinais de entrada, e N saídas para N sinais controladores de saída, um para cada alto-falante. É importante estimar, para cada um de pelo menos um subconjunto das N entradas de alto-falantes, uma resposta de impulso em cada posição de medição. É também importante especificar para cada um do(s) L sinal(is) de entrada, um alto-falante selecionado dos N alto-falantes como alto-falante primário, e um selecionado subconjunto S, incluindo pelo menos um dos N alto-falantes, como alto-falantes de suporte. Um ponto fundamental é especificar para cada alto-falante primário uma resposta alvo de impulso em cada posição de medição, com a resposta alvo de impulso tendo uma demora de propagação acústica, onde a demora de propagação acústica é determinada com base na distância do alto-falante primário com relação à respectiva posição de medição.
BR112014018342-2A 2012-03-22 2012-03-22 Método e sistema para determinar um controlador de précompensação de áudio para um sistema gerador de som associado, memória legível por computador, controlador de pré- compensação de áudio e sistema de áudio BR112014018342B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050320 WO2013141768A1 (en) 2012-03-22 2012-03-22 Audio precompensation controller design using a variable set of support loudspeakers

Publications (3)

Publication Number Publication Date
BR112014018342A2 BR112014018342A2 (pt) 2017-06-20
BR112014018342A8 true BR112014018342A8 (pt) 2017-07-11
BR112014018342B1 BR112014018342B1 (pt) 2021-03-16

Family

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Family Applications (1)

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BR112014018342-2A BR112014018342B1 (pt) 2012-03-22 2012-03-22 Método e sistema para determinar um controlador de précompensação de áudio para um sistema gerador de som associado, memória legível por computador, controlador de pré- compensação de áudio e sistema de áudio

Country Status (12)

Country Link
US (1) US9781510B2 (pt)
EP (1) EP2692155B1 (pt)
JP (1) JP5957137B2 (pt)
KR (1) KR101895656B1 (pt)
CN (1) CN104186001B (pt)
BR (1) BR112014018342B1 (pt)
ES (1) ES2683821T3 (pt)
MX (1) MX2014008123A (pt)
RU (1) RU2595896C2 (pt)
SG (1) SG11201403493XA (pt)
WO (1) WO2013141768A1 (pt)
ZA (1) ZA201404833B (pt)

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Also Published As

Publication number Publication date
CN104186001B (zh) 2018-03-27
US20140153744A1 (en) 2014-06-05
EP2692155B1 (en) 2018-05-16
KR20140138972A (ko) 2014-12-04
BR112014018342B1 (pt) 2021-03-16
US9781510B2 (en) 2017-10-03
CN104186001A (zh) 2014-12-03
SG11201403493XA (en) 2014-07-30
KR101895656B1 (ko) 2018-10-18
EP2692155A1 (en) 2014-02-05
RU2014132848A (ru) 2016-02-27
EP2692155A4 (en) 2015-09-09
ES2683821T3 (es) 2018-09-28
ZA201404833B (en) 2015-08-26
JP2015512579A (ja) 2015-04-27
WO2013141768A1 (en) 2013-09-26
RU2595896C2 (ru) 2016-08-27
MX2014008123A (es) 2014-10-17
JP5957137B2 (ja) 2016-07-27
BR112014018342A2 (pt) 2017-06-20

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B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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