BRPI0910285A2 - método e aparelho para processamento de sinal de áudio - Google Patents

método e aparelho para processamento de sinal de áudio

Info

Publication number
BRPI0910285A2
BRPI0910285A2 BRPI0910285A BRPI0910285A BRPI0910285A2 BR PI0910285 A2 BRPI0910285 A2 BR PI0910285A2 BR PI0910285 A BRPI0910285 A BR PI0910285A BR PI0910285 A BRPI0910285 A BR PI0910285A BR PI0910285 A2 BRPI0910285 A2 BR PI0910285A2
Authority
BR
Brazil
Prior art keywords
signal processing
audio signal
audio
processing
signal
Prior art date
Application number
BRPI0910285A
Other languages
English (en)
Inventor
Chang Heon Lee
Hong Goo Kang
Hyen-O Oh
Jung Wook Song
Yang Won Jung
Original Assignee
Univ Yonsei Iacf
Lg Electronics Inc
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 Univ Yonsei Iacf, Lg Electronics Inc filed Critical Univ Yonsei Iacf
Publication of BRPI0910285A2 publication Critical patent/BRPI0910285A2/pt
Publication of BRPI0910285B1 publication Critical patent/BRPI0910285B1/pt

Links

Classifications

    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BRPI0910285-0A 2008-03-03 2009-03-03 Métodos e aparelhos para processamento de sinal de áudio. BRPI0910285B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3303208P 2008-03-03 2008-03-03
US61/033.032 2008-03-03
PCT/KR2009/001050 WO2009110738A2 (ko) 2008-03-03 2009-03-03 오디오 신호 처리 방법 및 장치

Publications (2)

Publication Number Publication Date
BRPI0910285A2 true BRPI0910285A2 (pt) 2015-09-29
BRPI0910285B1 BRPI0910285B1 (pt) 2020-05-12

Family

ID=41056471

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0910285-0A BRPI0910285B1 (pt) 2008-03-03 2009-03-03 Métodos e aparelhos para processamento de sinal de áudio.

Country Status (11)

Country Link
US (1) US7991621B2 (pt)
EP (1) EP2259253B1 (pt)
JP (1) JP5266341B2 (pt)
KR (1) KR101221919B1 (pt)
CN (1) CN101965612B (pt)
AU (1) AU2009220321B2 (pt)
BR (1) BRPI0910285B1 (pt)
CA (1) CA2716817C (pt)
MX (1) MX2010009571A (pt)
RU (1) RU2455709C2 (pt)
WO (1) WO2009110738A2 (pt)

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Also Published As

Publication number Publication date
EP2259253B1 (en) 2017-11-15
RU2010140362A (ru) 2012-04-10
MX2010009571A (es) 2011-05-30
EP2259253A2 (en) 2010-12-08
CA2716817A1 (en) 2009-09-11
BRPI0910285B1 (pt) 2020-05-12
JP2011513788A (ja) 2011-04-28
US7991621B2 (en) 2011-08-02
JP5266341B2 (ja) 2013-08-21
EP2259253A4 (en) 2013-02-20
US20100070284A1 (en) 2010-03-18
WO2009110738A3 (ko) 2009-10-29
KR20100134576A (ko) 2010-12-23
AU2009220321B2 (en) 2011-09-22
RU2455709C2 (ru) 2012-07-10
CN101965612A (zh) 2011-02-02
CA2716817C (en) 2014-04-22
KR101221919B1 (ko) 2013-01-15
AU2009220321A1 (en) 2009-09-11
CN101965612B (zh) 2012-08-29
WO2009110738A2 (ko) 2009-09-11

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Owner name: LG ELECTRONICS INC. (KR) , INTELLECTUAL DISCOVERY

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]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07B Technical examination (opinion): publication cancelled [chapter 7.2 patent gazette]

Free format text: ANULADA A PUBLICACAO CODIGO 7.1 NA RPI NO 2555 DE 24/12/2019 POR TER SIDO INDEVIDA.

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 12/05/2020, OBSERVADAS AS CONDICOES LEGAIS.