DK2905777T3 - Fremgangsmåde til kodning, fremgangsmåde til afkodning, kodningsanordning og afkodningsanordning - Google Patents

Fremgangsmåde til kodning, fremgangsmåde til afkodning, kodningsanordning og afkodningsanordning

Info

Publication number
DK2905777T3
DK2905777T3 DK13872123.8T DK13872123T DK2905777T3 DK 2905777 T3 DK2905777 T3 DK 2905777T3 DK 13872123 T DK13872123 T DK 13872123T DK 2905777 T3 DK2905777 T3 DK 2905777T3
Authority
DK
Denmark
Prior art keywords
procedure
coding
decodation
decoding device
decoding
Prior art date
Application number
DK13872123.8T
Other languages
English (en)
Inventor
Bin Wang
Zexin Liu
Lei Miao
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of DK2905777T3 publication Critical patent/DK2905777T3/da

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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
    • G10L19/02—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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0016—Codebook for LPC parameters

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DK13872123.8T 2013-01-15 2013-07-25 Fremgangsmåde til kodning, fremgangsmåde til afkodning, kodningsanordning og afkodningsanordning DK2905777T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310014342.4A CN103928031B (zh) 2013-01-15 2013-01-15 编码方法、解码方法、编码装置和解码装置
PCT/CN2013/080061 WO2014110895A1 (zh) 2013-01-15 2013-07-25 编码方法、解码方法、编码装置和解码装置

Publications (1)

Publication Number Publication Date
DK2905777T3 true DK2905777T3 (da) 2017-11-06

Family

ID=51146229

Family Applications (3)

Application Number Title Priority Date Filing Date
DK13872123.8T DK2905777T3 (da) 2013-01-15 2013-07-25 Fremgangsmåde til kodning, fremgangsmåde til afkodning, kodningsanordning og afkodningsanordning
DK16193849.3T DK3203470T3 (da) 2013-01-15 2013-07-25 Fremgangsmåde til afkodning af tale og taleafkodningsapparat
DK18182328.7T DK3486905T3 (da) 2013-01-15 2013-07-25 Kodningsfremgangsmåde, dekodningsfremgangsmåde, kodningsanordning og dekodningsanordning

Family Applications After (2)

Application Number Title Priority Date Filing Date
DK16193849.3T DK3203470T3 (da) 2013-01-15 2013-07-25 Fremgangsmåde til afkodning af tale og taleafkodningsapparat
DK18182328.7T DK3486905T3 (da) 2013-01-15 2013-07-25 Kodningsfremgangsmåde, dekodningsfremgangsmåde, kodningsanordning og dekodningsanordning

Country Status (17)

Country Link
US (5) US9761235B2 (da)
EP (4) EP3203470B1 (da)
JP (3) JP6141443B2 (da)
KR (2) KR101966265B1 (da)
CN (2) CN103928031B (da)
BR (1) BR112015013088B1 (da)
DK (3) DK2905777T3 (da)
ES (3) ES2637741T3 (da)
HK (1) HK1199541A1 (da)
HU (3) HUE036710T2 (da)
NO (1) NO2905777T3 (da)
PL (3) PL3203470T3 (da)
PT (3) PT2905777T (da)
SG (1) SG11201503772RA (da)
SI (3) SI2905777T1 (da)
TR (1) TR201907656T4 (da)
WO (1) WO2014110895A1 (da)

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US10978083B1 (en) * 2019-11-13 2021-04-13 Shure Acquisition Holdings, Inc. Time domain spectral bandwidth replication
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Also Published As

Publication number Publication date
EP3486905A1 (en) 2019-05-22
JP2015537254A (ja) 2015-12-24
HUE043649T2 (hu) 2019-08-28
JP2017151466A (ja) 2017-08-31
US11430456B2 (en) 2022-08-30
HUE051171T2 (hu) 2021-03-01
NO2905777T3 (da) 2017-12-16
ES2828004T3 (es) 2021-05-25
WO2014110895A1 (zh) 2014-07-24
DK3486905T3 (da) 2020-11-23
EP3764355A1 (en) 2021-01-13
ES2728000T3 (es) 2019-10-21
KR20150082530A (ko) 2015-07-15
EP2905777B1 (en) 2017-07-19
US20190139560A1 (en) 2019-05-09
EP3203470B1 (en) 2019-03-13
EP2905777A4 (en) 2015-09-23
DK3203470T3 (da) 2019-05-27
KR101966265B1 (ko) 2019-04-05
EP3486905B1 (en) 2020-09-09
PL3486905T3 (pl) 2021-03-08
CN103928031A (zh) 2014-07-16
BR112015013088A2 (pt) 2017-07-11
SG11201503772RA (en) 2015-06-29
JP2018200488A (ja) 2018-12-20
JP6397082B2 (ja) 2018-09-26
US11869520B2 (en) 2024-01-09
US10770085B2 (en) 2020-09-08
JP6141443B2 (ja) 2017-06-07
JP6616470B2 (ja) 2019-12-04
US20170372713A1 (en) 2017-12-28
EP3203470A1 (en) 2017-08-09
KR101748303B1 (ko) 2017-06-16
US9761235B2 (en) 2017-09-12
EP3764355B1 (en) 2024-05-01
EP2905777A1 (en) 2015-08-12
CN103928031B (zh) 2016-03-30
US20220366922A1 (en) 2022-11-17
HUE036710T2 (hu) 2018-07-30
SI2905777T1 (sl) 2017-11-30
PT3203470T (pt) 2019-06-04
BR112015013088B1 (pt) 2020-01-28
SI3486905T1 (sl) 2020-12-31
PT2905777T (pt) 2017-08-30
US20150255080A1 (en) 2015-09-10
US10210880B2 (en) 2019-02-19
KR20160090400A (ko) 2016-07-29
PL3203470T3 (pl) 2019-09-30
US20200381000A1 (en) 2020-12-03
PL2905777T3 (pl) 2017-12-29
PT3486905T (pt) 2020-10-19
ES2637741T3 (es) 2017-10-16
HK1199541A1 (zh) 2015-07-03
TR201907656T4 (tr) 2019-06-21
SI3203470T1 (sl) 2019-06-28
CN105551497A (zh) 2016-05-04
CN105551497B (zh) 2019-03-19

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