SG11201503772RA - Encoding method, decoding method, encoding apparatus, and decoding apparatus - Google Patents

Encoding method, decoding method, encoding apparatus, and decoding apparatus

Info

Publication number
SG11201503772RA
SG11201503772RA SG11201503772RA SG11201503772RA SG11201503772RA SG 11201503772R A SG11201503772R A SG 11201503772RA SG 11201503772R A SG11201503772R A SG 11201503772RA SG 11201503772R A SG11201503772R A SG 11201503772RA SG 11201503772R A SG11201503772R A SG 11201503772RA
Authority
SG
Singapore
Prior art keywords
encoding
decoding
decoding apparatus
encoding method
decoding method
Prior art date
Application number
SG11201503772RA
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
Publication of SG11201503772RA publication Critical patent/SG11201503772RA/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/03Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0016Codebook for LPC parameters
SG11201503772RA 2013-01-15 2013-07-25 Encoding method, decoding method, encoding apparatus, and decoding apparatus SG11201503772RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310014342.4A CN103928031B (en) 2013-01-15 2013-01-15 Coding method, coding/decoding method, encoding apparatus and decoding apparatus
PCT/CN2013/080061 WO2014110895A1 (en) 2013-01-15 2013-07-25 Encoding method, decoding method, encoding device, and decoding device

Publications (1)

Publication Number Publication Date
SG11201503772RA true SG11201503772RA (en) 2015-06-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201503772RA SG11201503772RA (en) 2013-01-15 2013-07-25 Encoding method, decoding method, encoding apparatus, and decoding apparatus

Country Status (17)

Country Link
US (5) US9761235B2 (en)
EP (4) EP3486905B1 (en)
JP (3) JP6141443B2 (en)
KR (2) KR101966265B1 (en)
CN (2) CN105551497B (en)
BR (1) BR112015013088B1 (en)
DK (3) DK3203470T3 (en)
ES (3) ES2637741T3 (en)
HK (1) HK1199541A1 (en)
HU (3) HUE043649T2 (en)
NO (1) NO2905777T3 (en)
PL (3) PL3486905T3 (en)
PT (3) PT2905777T (en)
SG (1) SG11201503772RA (en)
SI (3) SI2905777T1 (en)
TR (1) TR201907656T4 (en)
WO (1) WO2014110895A1 (en)

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CN113079378B (en) * 2021-04-15 2022-08-16 杭州海康威视数字技术股份有限公司 Image processing method and device and electronic equipment

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Also Published As

Publication number Publication date
PT2905777T (en) 2017-08-30
CN103928031B (en) 2016-03-30
EP2905777B1 (en) 2017-07-19
ES2828004T3 (en) 2021-05-25
WO2014110895A1 (en) 2014-07-24
EP3764355A1 (en) 2021-01-13
EP3203470A1 (en) 2017-08-09
JP2018200488A (en) 2018-12-20
EP2905777A1 (en) 2015-08-12
EP3203470B1 (en) 2019-03-13
PL3486905T3 (en) 2021-03-08
US9761235B2 (en) 2017-09-12
HUE036710T2 (en) 2018-07-30
HK1199541A1 (en) 2015-07-03
US10210880B2 (en) 2019-02-19
US20200381000A1 (en) 2020-12-03
TR201907656T4 (en) 2019-06-21
JP6397082B2 (en) 2018-09-26
CN105551497B (en) 2019-03-19
KR20160090400A (en) 2016-07-29
US10770085B2 (en) 2020-09-08
CN105551497A (en) 2016-05-04
JP6141443B2 (en) 2017-06-07
HUE043649T2 (en) 2019-08-28
PT3486905T (en) 2020-10-19
JP6616470B2 (en) 2019-12-04
EP3486905A1 (en) 2019-05-22
BR112015013088B1 (en) 2020-01-28
HUE051171T2 (en) 2021-03-01
US20170372713A1 (en) 2017-12-28
EP2905777A4 (en) 2015-09-23
KR20150082530A (en) 2015-07-15
US20150255080A1 (en) 2015-09-10
SI2905777T1 (en) 2017-11-30
US11869520B2 (en) 2024-01-09
US20190139560A1 (en) 2019-05-09
US20220366922A1 (en) 2022-11-17
SI3203470T1 (en) 2019-06-28
SI3486905T1 (en) 2020-12-31
PL3203470T3 (en) 2019-09-30
JP2017151466A (en) 2017-08-31
JP2015537254A (en) 2015-12-24
DK2905777T3 (en) 2017-11-06
DK3203470T3 (en) 2019-05-27
US11430456B2 (en) 2022-08-30
DK3486905T3 (en) 2020-11-23
PT3203470T (en) 2019-06-04
ES2728000T3 (en) 2019-10-21
BR112015013088A2 (en) 2017-07-11
EP3486905B1 (en) 2020-09-09
KR101966265B1 (en) 2019-04-05
NO2905777T3 (en) 2017-12-16
PL2905777T3 (en) 2017-12-29
CN103928031A (en) 2014-07-16
KR101748303B1 (en) 2017-06-16
ES2637741T3 (en) 2017-10-16

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