PL2975610T3 - Sposób i urządzenie do kodowania audio - Google Patents

Sposób i urządzenie do kodowania audio

Info

Publication number
PL2975610T3
PL2975610T3 PL15184203T PL15184203T PL2975610T3 PL 2975610 T3 PL2975610 T3 PL 2975610T3 PL 15184203 T PL15184203 T PL 15184203T PL 15184203 T PL15184203 T PL 15184203T PL 2975610 T3 PL2975610 T3 PL 2975610T3
Authority
PL
Poland
Prior art keywords
encoding device
audio encoding
audio
encoding
Prior art date
Application number
PL15184203T
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.
Publication of PL2975610T3 publication Critical patent/PL2975610T3/pl

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)
PL15184203T 2010-11-22 2011-11-04 Sposób i urządzenie do kodowania audio PL2975610T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2010260447 2010-11-22
JP2011033915 2011-02-18
EP11842953.9A EP2645366A4 (en) 2010-11-22 2011-11-04 AUDIO CODING DEVICE, METHOD AND PROGRAM, AND AUDIO CODING DEVICE, METHOD AND PROGRAM
PCT/JP2011/075489 WO2012070370A1 (ja) 2010-11-22 2011-11-04 音声符号化装置、方法およびプログラム、並びに、音声復号装置、方法およびプログラム
EP15184203.6A EP2975610B1 (en) 2010-11-22 2011-11-04 Audio encoding device and method

Publications (1)

Publication Number Publication Date
PL2975610T3 true PL2975610T3 (pl) 2019-08-30

Family

ID=46145720

Family Applications (3)

Application Number Title Priority Date Filing Date
PL19161209.2T PL3518234T3 (pl) 2010-11-22 2011-11-04 Urządzenie i sposób kodowania audio
PL23187229.2T PL4239635T3 (pl) 2010-11-22 2011-11-04 <div>URZĄDZENIE I SPOSÓB KODOWANIA AUDIO</div>
PL15184203T PL2975610T3 (pl) 2010-11-22 2011-11-04 Sposób i urządzenie do kodowania audio

Family Applications Before (2)

Application Number Title Priority Date Filing Date
PL19161209.2T PL3518234T3 (pl) 2010-11-22 2011-11-04 Urządzenie i sposób kodowania audio
PL23187229.2T PL4239635T3 (pl) 2010-11-22 2011-11-04 <div>URZĄDZENIE I SPOSÓB KODOWANIA AUDIO</div>

Country Status (12)

Country Link
US (5) US9508350B2 (pl)
EP (3) EP2645366A4 (pl)
JP (6) JP6000854B2 (pl)
CN (2) CN104934036B (pl)
DK (2) DK2975610T3 (pl)
ES (3) ES2966665T3 (pl)
FI (2) FI4239635T3 (pl)
HU (2) HUE064739T2 (pl)
PL (3) PL3518234T3 (pl)
PT (2) PT2975610T (pl)
TW (1) TW201243825A (pl)
WO (1) WO2012070370A1 (pl)

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Also Published As

Publication number Publication date
US20220215846A1 (en) 2022-07-07
CN104934036A (zh) 2015-09-23
HUE064739T2 (hu) 2024-04-28
EP2645366A4 (en) 2014-05-07
DK2975610T3 (da) 2019-05-27
US20130253939A1 (en) 2013-09-26
US11756556B2 (en) 2023-09-12
EP2975610A1 (en) 2016-01-20
ES3037836T3 (en) 2025-10-07
JP6000854B2 (ja) 2016-10-05
PL4239635T3 (pl) 2025-09-01
EP3518234B1 (en) 2023-11-29
US20170076729A1 (en) 2017-03-16
CN103229234B (zh) 2015-07-08
TW201243825A (en) 2012-11-01
US20200357416A1 (en) 2020-11-12
US20190019519A1 (en) 2019-01-17
JP2021012398A (ja) 2021-02-04
JP6704037B2 (ja) 2020-06-03
HUE072048T2 (hu) 2025-10-28
JP6789365B2 (ja) 2020-11-25
JPWO2012070370A1 (ja) 2014-05-19
ES2727748T3 (es) 2019-10-18
PL3518234T3 (pl) 2024-04-08
FI4239635T3 (fi) 2025-07-29
JP6951536B2 (ja) 2021-10-20
CN103229234A (zh) 2013-07-31
FI3518234T3 (fi) 2023-12-14
US11322163B2 (en) 2022-05-03
PT4239635T (pt) 2025-07-21
EP3518234A1 (en) 2019-07-31
EP2975610B1 (en) 2019-04-24
JP2016194710A (ja) 2016-11-17
JP6151411B2 (ja) 2017-06-21
US9508350B2 (en) 2016-11-29
PT2975610T (pt) 2019-06-04
JP2017142542A (ja) 2017-08-17
DK4239635T3 (da) 2025-08-04
US10115402B2 (en) 2018-10-30
WO2012070370A1 (ja) 2012-05-31
JP2019066868A (ja) 2019-04-25
JP2020073986A (ja) 2020-05-14
ES2966665T3 (es) 2024-04-23
JP6450802B2 (ja) 2019-01-09
CN104934036B (zh) 2018-11-02
EP2645366A1 (en) 2013-10-02
US10762908B2 (en) 2020-09-01

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