BRPI0915358A2 - método e aparelho para ocultação de erro de dados de áudio codificados - Google Patents

método e aparelho para ocultação de erro de dados de áudio codificados

Info

Publication number
BRPI0915358A2
BRPI0915358A2 BRPI0915358A BRPI0915358A BRPI0915358A2 BR PI0915358 A2 BRPI0915358 A2 BR PI0915358A2 BR PI0915358 A BRPI0915358 A BR PI0915358A BR PI0915358 A BRPI0915358 A BR PI0915358A BR PI0915358 A2 BRPI0915358 A2 BR PI0915358A2
Authority
BR
Brazil
Prior art keywords
audio data
encoded audio
error encoding
encoding
error
Prior art date
Application number
BRPI0915358A
Other languages
English (en)
Inventor
Adriana Vasilache
Anssi Rämö
Lasse Laaksonen
Mikko Tammi
Original Assignee
Nokia 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
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of BRPI0915358A2 publication Critical patent/BRPI0915358A2/pt
Publication of BRPI0915358B1 publication Critical patent/BRPI0915358B1/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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0915358-6A 2008-06-13 2009-05-15 método e aparelho para a ocultação de erro de quadro em dados de áudio codificados usando codificação de extensão BRPI0915358B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6157208P 2008-06-13 2008-06-13
US61/061,572 2008-06-13
PCT/FI2009/050403 WO2009150290A1 (en) 2008-06-13 2009-05-15 Method and apparatus for error concealment of encoded audio data

Publications (2)

Publication Number Publication Date
BRPI0915358A2 true BRPI0915358A2 (pt) 2015-11-03
BRPI0915358B1 BRPI0915358B1 (pt) 2020-04-22

Family

ID=41416403

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0915358-6A BRPI0915358B1 (pt) 2008-06-13 2009-05-15 método e aparelho para a ocultação de erro de quadro em dados de áudio codificados usando codificação de extensão

Country Status (10)

Country Link
US (1) US8397117B2 (pt)
EP (1) EP2301015B1 (pt)
KR (1) KR101228165B1 (pt)
CN (1) CN102057424B (pt)
AU (1) AU2009256551B2 (pt)
BR (1) BRPI0915358B1 (pt)
RU (1) RU2475868C2 (pt)
TW (1) TWI466102B (pt)
WO (1) WO2009150290A1 (pt)
ZA (1) ZA201100279B (pt)

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EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
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Also Published As

Publication number Publication date
ZA201100279B (en) 2012-06-27
US8397117B2 (en) 2013-03-12
KR101228165B1 (ko) 2013-01-30
US20100115370A1 (en) 2010-05-06
WO2009150290A1 (en) 2009-12-17
CN102057424A (zh) 2011-05-11
BRPI0915358B1 (pt) 2020-04-22
EP2301015A4 (en) 2016-04-13
RU2010154191A (ru) 2012-07-20
KR20110040835A (ko) 2011-04-20
AU2009256551B2 (en) 2015-08-13
AU2009256551A1 (en) 2009-12-17
TWI466102B (zh) 2014-12-21
TW201005730A (en) 2010-02-01
RU2475868C2 (ru) 2013-02-20
EP2301015B1 (en) 2019-09-04
EP2301015A1 (en) 2011-03-30
CN102057424B (zh) 2015-06-17

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: NOKIA TECHNOLOGIES OY (FI)

B15K Others concerning applications: alteration of classification

Ipc: G10L 19/00 (2013.01), G10L 21/02 (2013.01)

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]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 22/04/2020, OBSERVADAS AS CONDICOES LEGAIS.

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

Free format text: REFERENTE A 17A ANUIDADE.