BRPI0921067A2 - dispositivo de reprodução de áudio e método de reprodução de áudio - Google Patents

dispositivo de reprodução de áudio e método de reprodução de áudio

Info

Publication number
BRPI0921067A2
BRPI0921067A2 BRPI0921067A BRPI0921067A BRPI0921067A2 BR PI0921067 A2 BRPI0921067 A2 BR PI0921067A2 BR PI0921067 A BRPI0921067 A BR PI0921067A BR PI0921067 A BRPI0921067 A BR PI0921067A BR PI0921067 A2 BRPI0921067 A2 BR PI0921067A2
Authority
BR
Brazil
Prior art keywords
audio playback
playback device
playback method
audio
playback
Prior art date
Application number
BRPI0921067A
Other languages
English (en)
Inventor
Takashi Yokoyama
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 BRPI0921067A2 publication Critical patent/BRPI0921067A2/pt
Publication of BRPI0921067B1 publication Critical patent/BRPI0921067B1/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0921067-9A 2008-11-21 2009-10-13 Dispositivo de reprodução de áudio, aparelho de reprodução de áudio, método de reprodução de áudio, circuito integrado e meio legível por computador BRPI0921067B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008-298809 2008-11-21
JP2008298809A JP5629429B2 (ja) 2008-11-21 2008-11-21 オーディオ再生装置及びオーディオ再生方法
PCT/JP2009/005311 WO2010058518A1 (ja) 2008-11-21 2009-10-13 オーディオ再生装置及びオーディオ再生方法

Publications (2)

Publication Number Publication Date
BRPI0921067A2 true BRPI0921067A2 (pt) 2015-12-15
BRPI0921067B1 BRPI0921067B1 (pt) 2020-02-18

Family

ID=42197962

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0921067-9A BRPI0921067B1 (pt) 2008-11-21 2009-10-13 Dispositivo de reprodução de áudio, aparelho de reprodução de áudio, método de reprodução de áudio, circuito integrado e meio legível por computador

Country Status (4)

Country Link
EP (2) EP2610867B1 (pt)
JP (1) JP5629429B2 (pt)
BR (1) BRPI0921067B1 (pt)
WO (1) WO2010058518A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5692255B2 (ja) * 2010-12-03 2015-04-01 ヤマハ株式会社 コンテンツ再生装置およびコンテンツ処理方法
MY165933A (en) 2011-07-01 2018-05-18 Dolby Laboratories Licensing Corp System and method for adaptive audio signal generation, coding and rendering
KR101775084B1 (ko) 2013-01-29 2017-09-05 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 주파수 향상 오디오 신호를 생성하는 디코더, 디코딩 방법, 인코딩된 신호를 생성하는 인코더, 및 컴팩트 선택 사이드 정보를 이용한 인코딩 방법
WO2022097244A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体
JP7517459B2 (ja) * 2020-11-05 2024-07-17 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体
JP7517461B2 (ja) * 2020-11-05 2024-07-17 日本電信電話株式会社 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3957589B2 (ja) * 2001-08-23 2007-08-15 松下電器産業株式会社 音声処理装置
JP4281349B2 (ja) * 2001-12-25 2009-06-17 パナソニック株式会社 電話装置
KR100917464B1 (ko) * 2003-03-07 2009-09-14 삼성전자주식회사 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
JP2005114813A (ja) * 2003-10-03 2005-04-28 Matsushita Electric Ind Co Ltd オーディオ信号再生装置及び再生方法
ATE371926T1 (de) * 2004-05-17 2007-09-15 Nokia Corp Audiocodierung mit verschiedenen codierungsmodellen
JP2006065002A (ja) * 2004-08-26 2006-03-09 Kenwood Corp コンテンツ再生装置及び方法
JP4567412B2 (ja) * 2004-10-25 2010-10-20 アルパイン株式会社 音声再生機および音声再生方法
EP2555187B1 (en) * 2005-10-12 2016-12-07 Samsung Electronics Co., Ltd. Method and apparatus for encoding/decoding audio data and extension data

Also Published As

Publication number Publication date
JP2010122640A (ja) 2010-06-03
EP2610867A1 (en) 2013-07-03
EP2610867B1 (en) 2015-03-11
WO2010058518A1 (ja) 2010-05-27
BRPI0921067B1 (pt) 2020-02-18
EP2360684B1 (en) 2013-05-29
EP2360684A4 (en) 2012-09-12
JP5629429B2 (ja) 2014-11-19
EP2360684A1 (en) 2011-08-24

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: SOCIONEXT INC (JP)

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 18/02/2020, OBSERVADAS AS CONDICOES LEGAIS.