PL2869299T3 - Sposób dekodowania, urządzenie dekodujące, program i nośnik pamięci dla niego - Google Patents

Sposób dekodowania, urządzenie dekodujące, program i nośnik pamięci dla niego

Info

Publication number
PL2869299T3
PL2869299T3 PL13832346T PL13832346T PL2869299T3 PL 2869299 T3 PL2869299 T3 PL 2869299T3 PL 13832346 T PL13832346 T PL 13832346T PL 13832346 T PL13832346 T PL 13832346T PL 2869299 T3 PL2869299 T3 PL 2869299T3
Authority
PL
Poland
Prior art keywords
program
recording medium
decoding
medium therefor
decoding apparatus
Prior art date
Application number
PL13832346T
Other languages
English (en)
Inventor
Yusuke Hiwasaki
Takehiro Moriya
Noboru Harada
Yutaka Kamamoto
Masahiro Fukui
Original Assignee
Nippon Telegraph And Telephone Corporation
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 Nippon Telegraph And Telephone Corporation filed Critical Nippon Telegraph And Telephone Corporation
Publication of PL2869299T3 publication Critical patent/PL2869299T3/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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L21/00—Speech 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL13832346T 2012-08-29 2013-08-28 Sposób dekodowania, urządzenie dekodujące, program i nośnik pamięci dla niego PL2869299T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012188462 2012-08-29
PCT/JP2013/072947 WO2014034697A1 (ja) 2012-08-29 2013-08-28 復号方法、復号装置、プログラム、及びその記録媒体
EP13832346.4A EP2869299B1 (en) 2012-08-29 2013-08-28 Decoding method, decoding apparatus, program, and recording medium therefor

Publications (1)

Publication Number Publication Date
PL2869299T3 true PL2869299T3 (pl) 2021-12-13

Family

ID=50183505

Family Applications (1)

Application Number Title Priority Date Filing Date
PL13832346T PL2869299T3 (pl) 2012-08-29 2013-08-28 Sposób dekodowania, urządzenie dekodujące, program i nośnik pamięci dla niego

Country Status (8)

Country Link
US (1) US9640190B2 (pl)
EP (1) EP2869299B1 (pl)
JP (1) JPWO2014034697A1 (pl)
KR (1) KR101629661B1 (pl)
CN (3) CN107945813B (pl)
ES (1) ES2881672T3 (pl)
PL (1) PL2869299T3 (pl)
WO (1) WO2014034697A1 (pl)

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US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
EP3719800B1 (en) * 2017-12-01 2022-06-08 Nippon Telegraph And Telephone Corporation Pitch enhancement device, method therefor, and program
CN109286470B (zh) * 2018-09-28 2020-07-10 华中科技大学 一种主动非线性变换信道加扰传输方法
JP7218601B2 (ja) * 2019-02-12 2023-02-07 日本電信電話株式会社 学習データ取得装置、モデル学習装置、それらの方法、およびプログラム
US12586591B2 (en) * 2020-06-24 2026-03-24 Ntt, Inc. Sound signal decoding method, sound signal decoder, program, and recording medium
CN118038877B (zh) * 2022-11-01 2026-03-10 抖音视界有限公司 一种音频信号的编码、解码方法及装置

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KR101395252B1 (ko) * 2008-07-11 2014-05-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 포락선의 수를 산출하기 위한 장치 및 그 방법
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Also Published As

Publication number Publication date
WO2014034697A1 (ja) 2014-03-06
ES2881672T3 (es) 2021-11-30
KR101629661B1 (ko) 2016-06-13
CN108053830B (zh) 2021-12-07
CN107945813A (zh) 2018-04-20
CN104584123B (zh) 2018-02-13
EP2869299A1 (en) 2015-05-06
US9640190B2 (en) 2017-05-02
US20150194163A1 (en) 2015-07-09
JPWO2014034697A1 (ja) 2016-08-08
CN108053830A (zh) 2018-05-18
CN107945813B (zh) 2021-10-26
CN104584123A (zh) 2015-04-29
EP2869299A4 (en) 2016-06-01
KR20150032736A (ko) 2015-03-27
EP2869299B1 (en) 2021-07-21

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