BRPI0921067A2 - audio playback device and audio playback method - Google Patents

audio playback device and audio playback method

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
Portuguese (pt)
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/en
Publication of BRPI0921067B1 publication Critical patent/BRPI0921067B1/en

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)
  • Quality & Reliability (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)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0921067-9A 2008-11-21 2009-10-13 AUDIO REPRODUCTION DEVICE, AUDIO REPRODUCTION APPLIANCE, AUDIO REPRODUCTION METHOD, INTEGRATED CIRCUIT AND MEDIA LEGIBLE BY COMPUTER BRPI0921067B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008298809A JP5629429B2 (en) 2008-11-21 2008-11-21 Audio playback apparatus and audio playback method
JP2008-298809 2008-11-21
PCT/JP2009/005311 WO2010058518A1 (en) 2008-11-21 2009-10-13 Audio playback device and audio playback method

Publications (2)

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

Family

ID=42197962

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0921067-9A BRPI0921067B1 (en) 2008-11-21 2009-10-13 AUDIO REPRODUCTION DEVICE, AUDIO REPRODUCTION APPLIANCE, AUDIO REPRODUCTION METHOD, INTEGRATED CIRCUIT AND MEDIA LEGIBLE BY COMPUTER

Country Status (4)

Country Link
EP (2) EP2360684B1 (en)
JP (1) JP5629429B2 (en)
BR (1) BRPI0921067B1 (en)
WO (1) WO2010058518A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5692255B2 (en) * 2010-12-03 2015-04-01 ヤマハ株式会社 Content reproduction apparatus and content processing method
EP3893521B1 (en) 2011-07-01 2024-06-19 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
ES2924427T3 (en) 2013-01-29 2022-10-06 Fraunhofer Ges Forschung Decoder for generating a frequency-enhanced audio signal, decoding method, encoder for generating an encoded signal, and encoding method using compact selection side information
JPWO2022097244A1 (en) * 2020-11-05 2022-05-12
JPWO2022097241A1 (en) * 2020-11-05 2022-05-12
US20230402051A1 (en) * 2020-11-05 2023-12-14 Nippon Telegraph And Telephone Corporation Sound signal high frequency compensation method, sound signal post processing method, sound signal decode method, apparatus thereof, program, and storage medium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3957589B2 (en) * 2001-08-23 2007-08-15 松下電器産業株式会社 Audio processing device
JP4281349B2 (en) * 2001-12-25 2009-06-17 パナソニック株式会社 Telephone equipment
KR100917464B1 (en) * 2003-03-07 2009-09-14 삼성전자주식회사 Method and apparatus for encoding/decoding digital data using bandwidth extension technology
JP2005114813A (en) * 2003-10-03 2005-04-28 Matsushita Electric Ind Co Ltd Audio signal reproducing device and reproducing method
AU2004319555A1 (en) * 2004-05-17 2005-11-24 Nokia Corporation Audio encoding with different coding models
JP2006065002A (en) * 2004-08-26 2006-03-09 Kenwood Corp Device and method for content reproduction
JP4567412B2 (en) * 2004-10-25 2010-10-20 アルパイン株式会社 Audio playback device and audio playback method
KR100851972B1 (en) * 2005-10-12 2008-08-12 삼성전자주식회사 Method and apparatus for encoding/decoding of audio data and extension data

Also Published As

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

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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.