BRPI0514059A - combinação de sinais de áudio usando uma análise de cena auditiva - Google Patents

combinação de sinais de áudio usando uma análise de cena auditiva

Info

Publication number
BRPI0514059A
BRPI0514059A BRPI0514059-5A BRPI0514059A BRPI0514059A BR PI0514059 A BRPI0514059 A BR PI0514059A BR PI0514059 A BRPI0514059 A BR PI0514059A BR PI0514059 A BRPI0514059 A BR PI0514059A
Authority
BR
Brazil
Prior art keywords
channels
audio
combination
audio signals
scene analysis
Prior art date
Application number
BRPI0514059-5A
Other languages
English (en)
Inventor
Michael John Smithers
Original Assignee
Dolby Lab 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35115846&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0514059(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of BRPI0514059A publication Critical patent/BRPI0514059A/pt
Publication of BRPI0514059B1 publication Critical patent/BRPI0514059B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Mathematical Optimization (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stereophonic System (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Complex Calculations (AREA)
  • Holo Graphy (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

COMBINAçãO DE SINAIS DE áUDIO USANDO UMA ANáLISE DE CENA AUDITIVA. a invenção refere-se a um processo para combinar canais de áudio que combina os canais de áudio para produzir um canal de áudio combinado e aplicar dinamicamente um ou mais ajustes de tempo, fase, e amplitude ou potência aos canais, ao canal combinado, ou a ambos os canais e o canal combinado. Um ou mais dos ajustes são controlados pelo menos parcialmente por uma medida de eventos auditivos em um ou mais dos canais e/ou no canal combinado. Aplicações incluem a apresentação do áudio de múltiplos canais em cinemas e veículos. Não apenas métodos, mas também implementações em programas de computador e implementações em aparelhos correspondentes estão incluídas.
BRPI0514059-5A 2004-08-03 2005-07-13 processo e aparelho para mixar três canais de áudio de entrada em dois canais de áudio de saída BRPI0514059B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/911,404 US7508947B2 (en) 2004-08-03 2004-08-03 Method for combining audio signals using auditory scene analysis
PCT/US2005/024630 WO2006019719A1 (en) 2004-08-03 2005-07-13 Combining audio signals using auditory scene analysis

Publications (2)

Publication Number Publication Date
BRPI0514059A true BRPI0514059A (pt) 2008-05-27
BRPI0514059B1 BRPI0514059B1 (pt) 2019-11-12

Family

ID=35115846

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514059-5A BRPI0514059B1 (pt) 2004-08-03 2005-07-13 processo e aparelho para mixar três canais de áudio de entrada em dois canais de áudio de saída

Country Status (18)

Country Link
US (1) US7508947B2 (pt)
EP (1) EP1787495B1 (pt)
JP (1) JP4740242B2 (pt)
KR (1) KR101161703B1 (pt)
CN (1) CN101002505B (pt)
AT (1) ATE470322T1 (pt)
AU (1) AU2005275257B2 (pt)
BR (1) BRPI0514059B1 (pt)
CA (1) CA2574834C (pt)
DE (1) DE602005021648D1 (pt)
DK (1) DK1787495T3 (pt)
ES (1) ES2346070T3 (pt)
IL (1) IL180712A (pt)
MX (1) MX2007001262A (pt)
MY (1) MY139731A (pt)
PL (1) PL1787495T3 (pt)
TW (1) TWI374435B (pt)
WO (1) WO2006019719A1 (pt)

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Also Published As

Publication number Publication date
US7508947B2 (en) 2009-03-24
IL180712A (en) 2012-02-29
PL1787495T3 (pl) 2010-10-29
CA2574834C (en) 2013-07-09
CN101002505A (zh) 2007-07-18
TWI374435B (en) 2012-10-11
HK1101053A1 (en) 2007-10-05
BRPI0514059B1 (pt) 2019-11-12
TW200608352A (en) 2006-03-01
ATE470322T1 (de) 2010-06-15
DE602005021648D1 (de) 2010-07-15
ES2346070T3 (es) 2010-10-08
JP4740242B2 (ja) 2011-08-03
JP2008509600A (ja) 2008-03-27
EP1787495B1 (en) 2010-06-02
AU2005275257B2 (en) 2011-02-03
MX2007001262A (es) 2007-04-18
DK1787495T3 (da) 2010-09-06
KR20070049146A (ko) 2007-05-10
US20060029239A1 (en) 2006-02-09
EP1787495A1 (en) 2007-05-23
WO2006019719A1 (en) 2006-02-23
KR101161703B1 (ko) 2012-07-03
MY139731A (en) 2009-10-30
IL180712A0 (en) 2007-06-03
AU2005275257A1 (en) 2006-02-23
CA2574834A1 (en) 2006-02-23
CN101002505B (zh) 2011-08-10

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