BRPI1004287A2 - aparelho e método de decodificação de sinal acústico, sistema de processamento de sinal acústico, e, programa - Google Patents

aparelho e método de decodificação de sinal acústico, sistema de processamento de sinal acústico, e, programa

Info

Publication number
BRPI1004287A2
BRPI1004287A2 BRPI1004287A BRPI1004287A BRPI1004287A2 BR PI1004287 A2 BRPI1004287 A2 BR PI1004287A2 BR PI1004287 A BRPI1004287 A BR PI1004287A BR PI1004287 A BRPI1004287 A BR PI1004287A BR PI1004287 A2 BRPI1004287 A2 BR PI1004287A2
Authority
BR
Brazil
Prior art keywords
acoustic signal
program
processing system
decoding apparatus
signal processing
Prior art date
Application number
BRPI1004287A
Other languages
English (en)
Inventor
Minoru Tsuji
Toru Chinen
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of BRPI1004287A2 publication Critical patent/BRPI1004287A2/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
    • G10L19/02—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 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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/02—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
    • G10L19/0212—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 orthogonal transformation

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI1004287A 2009-06-23 2010-06-03 aparelho e método de decodificação de sinal acústico, sistema de processamento de sinal acústico, e, programa BRPI1004287A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009148220A JP5365363B2 (ja) 2009-06-23 2009-06-23 音響信号処理システム、音響信号復号装置、これらにおける処理方法およびプログラム
PCT/JP2010/059440 WO2010150635A1 (ja) 2009-06-23 2010-06-03 音響信号処理システム、音響信号復号装置、これらにおける処理方法およびプログラム

Publications (1)

Publication Number Publication Date
BRPI1004287A2 true BRPI1004287A2 (pt) 2016-02-23

Family

ID=43386407

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1004287A BRPI1004287A2 (pt) 2009-06-23 2010-06-03 aparelho e método de decodificação de sinal acústico, sistema de processamento de sinal acústico, e, programa

Country Status (9)

Country Link
US (1) US8825495B2 (pt)
EP (1) EP2426662B1 (pt)
JP (1) JP5365363B2 (pt)
KR (1) KR20120031930A (pt)
CN (1) CN102119413B (pt)
BR (1) BRPI1004287A2 (pt)
RU (1) RU2011104718A (pt)
TW (1) TWI447708B (pt)
WO (1) WO2010150635A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5903758B2 (ja) * 2010-09-08 2016-04-13 ソニー株式会社 信号処理装置および方法、プログラム、並びにデータ記録媒体
US9905236B2 (en) * 2012-03-23 2018-02-27 Dolby Laboratories Licensing Corporation Enabling sampling rate diversity in a voice communication system
AU2013284705B2 (en) 2012-07-02 2018-11-29 Sony Corporation Decoding device and method, encoding device and method, and program
US20150100324A1 (en) * 2013-10-04 2015-04-09 Nvidia Corporation Audio encoder performance for miracast
WO2015173422A1 (de) * 2014-05-15 2015-11-19 Stormingswiss Sàrl Verfahren und vorrichtung zur residualfreien erzeugung eines upmix aus einem downmix
CN113035210A (zh) * 2021-03-01 2021-06-25 北京百瑞互联技术有限公司 一种lc3音频混合方法、装置及存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2710852B2 (ja) 1990-03-28 1998-02-10 ホーヤ株式会社 ガラス成形体の製造装置及び製造方法
JP3761639B2 (ja) * 1995-09-29 2006-03-29 ユナイテッド・モジュール・コーポレーション オーディオ復号装置
JP4213708B2 (ja) 1995-09-29 2009-01-21 ユナイテッド・モジュール・コーポレーション オーディオ復号装置
US5867819A (en) * 1995-09-29 1999-02-02 Nippon Steel Corporation Audio decoder
JP3279228B2 (ja) 1997-08-09 2002-04-30 日本電気株式会社 符号化音声復号装置
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
JP3806770B2 (ja) 2000-03-17 2006-08-09 松下電器産業株式会社 窓処理装置および窓処理方法
JP3966814B2 (ja) 2002-12-24 2007-08-29 三洋電機株式会社 簡易再生方法とこの方法に利用可能な簡易再生装置、復号方法、復号装置
RU2374703C2 (ru) * 2003-10-30 2009-11-27 Конинклейке Филипс Электроникс Н.В. Кодирование или декодирование аудиосигнала
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
EP2077550B8 (en) * 2008-01-04 2012-03-14 Dolby International AB Audio encoder and decoder

Also Published As

Publication number Publication date
TWI447708B (zh) 2014-08-01
EP2426662B1 (en) 2017-03-08
US20120116780A1 (en) 2012-05-10
WO2010150635A1 (ja) 2010-12-29
JP2011007823A (ja) 2011-01-13
CN102119413A (zh) 2011-07-06
KR20120031930A (ko) 2012-04-04
RU2011104718A (ru) 2012-08-20
JP5365363B2 (ja) 2013-12-11
CN102119413B (zh) 2013-03-27
US8825495B2 (en) 2014-09-02
TW201123172A (en) 2011-07-01
EP2426662A4 (en) 2012-12-19
EP2426662A1 (en) 2012-03-07

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2383 DE 06-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.