BRPI0608036A2 - dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio - Google Patents

dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio

Info

Publication number
BRPI0608036A2
BRPI0608036A2 BRPI0608036-7A BRPI0608036A BRPI0608036A2 BR PI0608036 A2 BRPI0608036 A2 BR PI0608036A2 BR PI0608036 A BRPI0608036 A BR PI0608036A BR PI0608036 A2 BRPI0608036 A2 BR PI0608036A2
Authority
BR
Brazil
Prior art keywords
stereo
channel
signal
audio
uncoded
Prior art date
Application number
BRPI0608036-7A
Other languages
English (en)
Inventor
Jan Plogsties
Harald Mundt
Harald Popp
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BRPI0608036A2 publication Critical patent/BRPI0608036A2/pt
Publication of BRPI0608036B1 publication Critical patent/BRPI0608036B1/pt

Links

Classifications

    • 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 
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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 
    • 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 
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Catalysts (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

DISPOSITIVO E MéTODO PARA A GERAçãO DE UM SINAL ESTéREO CODIFICADO DE UMA PEçA DE áUDIO OU FLUXO DE DADOS DE áUDIO. Dispositivo para a geração de um sinal estéreo codificado de uma representação de multicanais inclui um decodificador multicanais (11) gerando três ou mais multicanais a partir de pelo menos um canal básico e de informações paramétricas. Os três ou mais multicanais estão submetidos ao processamento de sinal do fone de ouvido (12) para a geração de um primeiro canal estéreo não codificado e um segundo canal estéreo não codificado que são então enviados a um codificador estéreo (13) para gerar um arquivo estéreo codificado no lado de saída. O arquivo estéreo codificado pode ser reproduzido em qualquer player adequado sob a forma de um CD player ou um hardware player, de maneira que o usuário do player não somente obtenha uma impressão estéreo normal, mas uma impressão multicanais.
BRPI0608036-7A 2005-03-04 2006-02-22 Dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio BRPI0608036B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005010057A DE102005010057A1 (de) 2005-03-04 2005-03-04 Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
DE102005010057.0 2005-03-04
PCT/EP2006/001622 WO2006094635A1 (de) 2005-03-04 2006-02-22 Vorrichtung und verfahren zum erzeugen eines codierten stereo-signals eines audiostücks oder audiodatenstroms

Publications (2)

Publication Number Publication Date
BRPI0608036A2 true BRPI0608036A2 (pt) 2009-11-03
BRPI0608036B1 BRPI0608036B1 (pt) 2019-05-07

Family

ID=36649539

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0608036-7A BRPI0608036B1 (pt) 2005-03-04 2006-02-22 Dispositivo e método para a geração de um sinal estéreo codificado de uma peça de áudio ou fluxo de dados de áudio

Country Status (19)

Country Link
US (1) US8553895B2 (pt)
EP (2) EP2094031A3 (pt)
JP (1) JP4987736B2 (pt)
KR (1) KR100928311B1 (pt)
CN (1) CN101133680B (pt)
AT (1) ATE461591T1 (pt)
AU (1) AU2006222285B2 (pt)
BR (1) BRPI0608036B1 (pt)
CA (1) CA2599969C (pt)
DE (2) DE102005010057A1 (pt)
ES (1) ES2340796T3 (pt)
IL (1) IL185452A (pt)
MX (1) MX2007010636A (pt)
MY (1) MY140741A (pt)
NO (1) NO339958B1 (pt)
PL (1) PL1854334T3 (pt)
RU (1) RU2376726C2 (pt)
TW (1) TWI322630B (pt)
WO (1) WO2006094635A1 (pt)

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Also Published As

Publication number Publication date
JP2008532395A (ja) 2008-08-14
KR100928311B1 (ko) 2009-11-25
IL185452A0 (en) 2008-01-06
EP1854334B1 (de) 2010-03-17
WO2006094635A1 (de) 2006-09-14
MY140741A (en) 2010-01-15
ES2340796T3 (es) 2010-06-09
DE502006006444D1 (de) 2010-04-29
CN101133680A (zh) 2008-02-27
BRPI0608036B1 (pt) 2019-05-07
US8553895B2 (en) 2013-10-08
MX2007010636A (es) 2007-10-10
AU2006222285A1 (en) 2006-09-14
PL1854334T3 (pl) 2010-09-30
EP1854334A1 (de) 2007-11-14
US20070297616A1 (en) 2007-12-27
NO20075004L (no) 2007-10-03
NO339958B1 (no) 2017-02-20
CN101133680B (zh) 2012-08-08
RU2376726C2 (ru) 2009-12-20
CA2599969C (en) 2012-10-02
TW200701823A (en) 2007-01-01
KR20070100838A (ko) 2007-10-11
JP4987736B2 (ja) 2012-07-25
IL185452A (en) 2011-07-31
AU2006222285B2 (en) 2009-01-08
CA2599969A1 (en) 2006-09-14
TWI322630B (en) 2010-03-21
DE102005010057A1 (de) 2006-09-07
EP2094031A3 (de) 2014-10-01
RU2007136792A (ru) 2009-04-10
ATE461591T1 (de) 2010-04-15
HK1111855A1 (en) 2008-08-15
EP2094031A2 (de) 2009-08-26

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