PT2975610T - Dispositivo de codificação de áudio e método - Google Patents

Dispositivo de codificação de áudio e método

Info

Publication number
PT2975610T
PT2975610T PT15184203T PT15184203T PT2975610T PT 2975610 T PT2975610 T PT 2975610T PT 15184203 T PT15184203 T PT 15184203T PT 15184203 T PT15184203 T PT 15184203T PT 2975610 T PT2975610 T PT 2975610T
Authority
PT
Portugal
Prior art keywords
encoding device
audio encoding
audio
encoding
Prior art date
Application number
PT15184203T
Other languages
English (en)
Inventor
Tsutsumi Kimitaka
Kikuiri Kei
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of PT2975610T publication Critical patent/PT2975610T/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
    • 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
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
PT15184203T 2010-11-22 2011-11-04 Dispositivo de codificação de áudio e método PT2975610T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010260447 2010-11-22
JP2011033915 2011-02-18

Publications (1)

Publication Number Publication Date
PT2975610T true PT2975610T (pt) 2019-06-04

Family

ID=46145720

Family Applications (1)

Application Number Title Priority Date Filing Date
PT15184203T PT2975610T (pt) 2010-11-22 2011-11-04 Dispositivo de codificação de áudio e método

Country Status (12)

Country Link
US (5) US9508350B2 (pt)
EP (3) EP3518234B1 (pt)
JP (6) JP6000854B2 (pt)
CN (2) CN104934036B (pt)
DK (1) DK2975610T3 (pt)
ES (2) ES2966665T3 (pt)
FI (1) FI3518234T3 (pt)
HU (1) HUE064739T2 (pt)
PL (2) PL3518234T3 (pt)
PT (1) PT2975610T (pt)
TW (1) TW201243825A (pt)
WO (1) WO2012070370A1 (pt)

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Also Published As

Publication number Publication date
WO2012070370A1 (ja) 2012-05-31
US9508350B2 (en) 2016-11-29
CN103229234A (zh) 2013-07-31
EP2975610B1 (en) 2019-04-24
CN103229234B (zh) 2015-07-08
EP2645366A1 (en) 2013-10-02
JPWO2012070370A1 (ja) 2014-05-19
EP2975610A1 (en) 2016-01-20
PL3518234T3 (pl) 2024-04-08
EP3518234B1 (en) 2023-11-29
US20170076729A1 (en) 2017-03-16
PL2975610T3 (pl) 2019-08-30
US10115402B2 (en) 2018-10-30
US11322163B2 (en) 2022-05-03
JP2020073986A (ja) 2020-05-14
US20200357416A1 (en) 2020-11-12
JP6951536B2 (ja) 2021-10-20
DK2975610T3 (da) 2019-05-27
HUE064739T2 (hu) 2024-04-28
US20130253939A1 (en) 2013-09-26
JP2016194710A (ja) 2016-11-17
EP3518234A1 (en) 2019-07-31
JP6789365B2 (ja) 2020-11-25
JP2021012398A (ja) 2021-02-04
ES2727748T3 (es) 2019-10-18
US20190019519A1 (en) 2019-01-17
JP6450802B2 (ja) 2019-01-09
JP6704037B2 (ja) 2020-06-03
JP6000854B2 (ja) 2016-10-05
FI3518234T3 (fi) 2023-12-14
JP2017142542A (ja) 2017-08-17
CN104934036B (zh) 2018-11-02
ES2966665T3 (es) 2024-04-23
US20220215846A1 (en) 2022-07-07
US11756556B2 (en) 2023-09-12
JP2019066868A (ja) 2019-04-25
EP2645366A4 (en) 2014-05-07
US10762908B2 (en) 2020-09-01
CN104934036A (zh) 2015-09-23
TW201243825A (en) 2012-11-01
JP6151411B2 (ja) 2017-06-21

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