DK4239635T3 - Audiokodningsindretning og -fremgangsmåde - Google Patents

Audiokodningsindretning og -fremgangsmåde

Info

Publication number
DK4239635T3
DK4239635T3 DK23187229.2T DK23187229T DK4239635T3 DK 4239635 T3 DK4239635 T3 DK 4239635T3 DK 23187229 T DK23187229 T DK 23187229T DK 4239635 T3 DK4239635 T3 DK 4239635T3
Authority
DK
Denmark
Prior art keywords
coding device
audio coding
audio
coding
Prior art date
Application number
DK23187229.2T
Other languages
English (en)
Inventor
Kimitaka Tsutsumi
Kei Kikuiri
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
Application granted granted Critical
Publication of DK4239635T3 publication Critical patent/DK4239635T3/da

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)
  • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DK23187229.2T 2010-11-22 2011-11-04 Audiokodningsindretning og -fremgangsmåde DK4239635T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010260447 2010-11-22
JP2011033915 2011-02-18
EP19161209.2A EP3518234B1 (en) 2010-11-22 2011-11-04 Audio encoding device and method

Publications (1)

Publication Number Publication Date
DK4239635T3 true DK4239635T3 (da) 2025-08-04

Family

ID=46145720

Family Applications (2)

Application Number Title Priority Date Filing Date
DK23187229.2T DK4239635T3 (da) 2010-11-22 2011-11-04 Audiokodningsindretning og -fremgangsmåde
DK15184203.6T DK2975610T3 (da) 2010-11-22 2011-11-04 Audiokodningsindretning og fremgangsmåde

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK15184203.6T DK2975610T3 (da) 2010-11-22 2011-11-04 Audiokodningsindretning og fremgangsmåde

Country Status (12)

Country Link
US (5) US9508350B2 (da)
EP (3) EP2645366A4 (da)
JP (6) JP6000854B2 (da)
CN (2) CN104934036B (da)
DK (2) DK4239635T3 (da)
ES (3) ES2966665T3 (da)
FI (2) FI3518234T3 (da)
HU (2) HUE072048T2 (da)
PL (3) PL2975610T3 (da)
PT (2) PT4239635T (da)
TW (1) TW201243825A (da)
WO (1) WO2012070370A1 (da)

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Also Published As

Publication number Publication date
HUE064739T2 (hu) 2024-04-28
EP2975610B1 (en) 2019-04-24
JP6450802B2 (ja) 2019-01-09
US10762908B2 (en) 2020-09-01
HUE072048T2 (hu) 2025-10-28
US11322163B2 (en) 2022-05-03
WO2012070370A1 (ja) 2012-05-31
JP6151411B2 (ja) 2017-06-21
US20200357416A1 (en) 2020-11-12
FI3518234T3 (fi) 2023-12-14
US20220215846A1 (en) 2022-07-07
US9508350B2 (en) 2016-11-29
CN103229234B (zh) 2015-07-08
JP2021012398A (ja) 2021-02-04
JP6704037B2 (ja) 2020-06-03
PL4239635T3 (pl) 2025-09-01
JP6000854B2 (ja) 2016-10-05
EP2975610A1 (en) 2016-01-20
ES2966665T3 (es) 2024-04-23
EP2645366A1 (en) 2013-10-02
JP2019066868A (ja) 2019-04-25
US20190019519A1 (en) 2019-01-17
ES3037836T3 (en) 2025-10-07
EP3518234B1 (en) 2023-11-29
EP2645366A4 (en) 2014-05-07
PL2975610T3 (pl) 2019-08-30
CN103229234A (zh) 2013-07-31
JP6951536B2 (ja) 2021-10-20
US20130253939A1 (en) 2013-09-26
JP2020073986A (ja) 2020-05-14
EP3518234A1 (en) 2019-07-31
PL3518234T3 (pl) 2024-04-08
TW201243825A (en) 2012-11-01
CN104934036A (zh) 2015-09-23
PT4239635T (pt) 2025-07-21
US10115402B2 (en) 2018-10-30
ES2727748T3 (es) 2019-10-18
JPWO2012070370A1 (ja) 2014-05-19
FI4239635T3 (fi) 2025-07-29
US20170076729A1 (en) 2017-03-16
DK2975610T3 (da) 2019-05-27
PT2975610T (pt) 2019-06-04
US11756556B2 (en) 2023-09-12
CN104934036B (zh) 2018-11-02
JP2017142542A (ja) 2017-08-17
JP6789365B2 (ja) 2020-11-25
JP2016194710A (ja) 2016-11-17

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