BR112012002839A2 - método de extenção de largura de banda, aparelho de extensão de largura de banda, programa, circuito integrado e aparelho de decodificação de áudio - Google Patents

método de extenção de largura de banda, aparelho de extensão de largura de banda, programa, circuito integrado e aparelho de decodificação de áudio

Info

Publication number
BR112012002839A2
BR112012002839A2 BR112012002839A BR112012002839A BR112012002839A2 BR 112012002839 A2 BR112012002839 A2 BR 112012002839A2 BR 112012002839 A BR112012002839 A BR 112012002839A BR 112012002839 A BR112012002839 A BR 112012002839A BR 112012002839 A2 BR112012002839 A2 BR 112012002839A2
Authority
BR
Brazil
Prior art keywords
bandwidth extension
program
integrated circuit
audio decoder
extension device
Prior art date
Application number
BR112012002839A
Other languages
English (en)
Other versions
BR112012002839B1 (pt
BR112012002839A8 (pt
Inventor
Zhong Haishan
Zhou Huan
Seng Chong Kok
Norimatsu Takeshi
Ishikawa Tomokzu
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Publication of BR112012002839A2 publication Critical patent/BR112012002839A2/pt
Publication of BR112012002839A8 publication Critical patent/BR112012002839A8/pt
Publication of BR112012002839B1 publication Critical patent/BR112012002839B1/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR112012002839-1A 2010-06-09 2011-06-06 método de extensão de largura de banda, aparelho de extensão de largura de banda, circuito integrado e aparelho de decodificação de áudio BR112012002839B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010132205 2010-06-09
JP2010-132205 2010-06-09
PCT/JP2011/003168 WO2011155170A1 (ja) 2010-06-09 2011-06-06 帯域拡張方法、帯域拡張装置、プログラム、集積回路およびオーディオ復号装置

Publications (3)

Publication Number Publication Date
BR112012002839A2 true BR112012002839A2 (pt) 2017-02-14
BR112012002839A8 BR112012002839A8 (pt) 2017-10-10
BR112012002839B1 BR112012002839B1 (pt) 2020-10-13

Family

ID=45097787

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012002839-1A BR112012002839B1 (pt) 2010-06-09 2011-06-06 método de extensão de largura de banda, aparelho de extensão de largura de banda, circuito integrado e aparelho de decodificação de áudio

Country Status (19)

Country Link
US (5) US9093080B2 (pt)
EP (2) EP2581905B1 (pt)
JP (2) JP5243620B2 (pt)
KR (1) KR101773631B1 (pt)
CN (1) CN102473417B (pt)
AR (1) AR082764A1 (pt)
AU (1) AU2011263191B2 (pt)
BR (1) BR112012002839B1 (pt)
CA (1) CA2770287C (pt)
ES (1) ES2565959T3 (pt)
HU (1) HUE028738T2 (pt)
MX (1) MX2012001696A (pt)
MY (1) MY176904A (pt)
PL (1) PL2581905T3 (pt)
RU (1) RU2582061C2 (pt)
SG (1) SG178320A1 (pt)
TW (1) TWI545557B (pt)
WO (1) WO2011155170A1 (pt)
ZA (1) ZA201200919B (pt)

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CN111210831A (zh) * 2018-11-22 2020-05-29 广州广晟数码技术有限公司 基于频谱拉伸的带宽扩展音频编解码方法及装置
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Also Published As

Publication number Publication date
US20220246159A1 (en) 2022-08-04
AU2011263191A1 (en) 2012-03-01
BR112012002839B1 (pt) 2020-10-13
JPWO2011155170A1 (ja) 2013-08-01
US9799342B2 (en) 2017-10-24
CN102473417B (zh) 2015-04-08
WO2011155170A1 (ja) 2011-12-15
US11749289B2 (en) 2023-09-05
JP2013084018A (ja) 2013-05-09
EP3001419A1 (en) 2016-03-30
MY176904A (en) 2020-08-26
PL2581905T3 (pl) 2016-06-30
JP5243620B2 (ja) 2013-07-24
EP2581905A1 (en) 2013-04-17
TW201207840A (en) 2012-02-16
AU2011263191B2 (en) 2016-06-16
EP2581905A4 (en) 2014-11-05
US20170358307A1 (en) 2017-12-14
EP2581905B1 (en) 2016-01-06
CA2770287C (en) 2017-12-12
US20200135217A1 (en) 2020-04-30
ES2565959T3 (es) 2016-04-07
EP3001419B1 (en) 2020-01-22
ZA201200919B (en) 2013-07-31
CA2770287A1 (en) 2011-12-15
MX2012001696A (es) 2012-02-22
RU2012104234A (ru) 2014-07-20
KR20130042460A (ko) 2013-04-26
TWI545557B (zh) 2016-08-11
SG178320A1 (en) 2012-03-29
HUE028738T2 (en) 2017-01-30
US20120136670A1 (en) 2012-05-31
RU2582061C2 (ru) 2016-04-20
AR082764A1 (es) 2013-01-09
CN102473417A (zh) 2012-05-23
KR101773631B1 (ko) 2017-08-31
US11341977B2 (en) 2022-05-24
US10566001B2 (en) 2020-02-18
JP5750464B2 (ja) 2015-07-22
US20150248894A1 (en) 2015-09-03
US9093080B2 (en) 2015-07-28
BR112012002839A8 (pt) 2017-10-10

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AME

B15K Others concerning applications: alteration of classification

Ipc: G10L 19/02 (2013.01), G10L 21/038 (2013.01), G10L

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
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