BR112013020987A2 - decodificador de fala, codificador de fala, método de decodificação de fala, método de codificação de fala, programa de decodificação de fala, e programa de codificação de fala - Google Patents

decodificador de fala, codificador de fala, método de decodificação de fala, método de codificação de fala, programa de decodificação de fala, e programa de codificação de fala

Info

Publication number
BR112013020987A2
BR112013020987A2 BR112013020987A BR112013020987A BR112013020987A2 BR 112013020987 A2 BR112013020987 A2 BR 112013020987A2 BR 112013020987 A BR112013020987 A BR 112013020987A BR 112013020987 A BR112013020987 A BR 112013020987A BR 112013020987 A2 BR112013020987 A2 BR 112013020987A2
Authority
BR
Brazil
Prior art keywords
speech
unit
decoding
program
time envelope
Prior art date
Application number
BR112013020987A
Other languages
English (en)
Other versions
BR112013020987B1 (pt
Inventor
Atsushi Yamaguchi
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
Priority to BR122019027753-2A priority Critical patent/BR122019027753B1/pt
Publication of BR112013020987A2 publication Critical patent/BR112013020987A2/pt
Publication of BR112013020987B1 publication Critical patent/BR112013020987B1/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/18—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 spectral information of each sub-band
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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

Abstract

resumo patente de invenção: "decodificador de fala, codificador de fala, método de decodificação de fala, método de codificação de fala, programa de decodificação de fala, e programa de codificação de fala". a presente invenção refere-se a um decodificador de fala (1) que inclui uma unidade de desmultiplexação (1a), uma unidade de decodificação de frequência baixa (1b), uma unidade de banco de filtro de divisão de banda (1c), uma unidade de análise de sequência codificada (1d), uma unidade de quantização inversa e decodificação de sequência codificada (1e), uma unidade de geração de alta frequência (1h), unidades de cálculo de envelope de tempo de baixa frequência (1f1 a 1fn) que adquire uma pluralidade de envelopes de tempo de baixa frequência, uma unidade de cálculo de envelope de tempo (1g) que calcula envelopes de tempo de alta frequência utilizando a informação de envelope de tempo e a pluralidade de envelopes de tempo de frequência baixa, uma unidade de ajuste de envelope de tempo (1i) que ajusta o envelope de tempo dos componentes de alta frequência utilizando os envelopes de tempo obtidos pela unidade de cálculo de envelope de tempo (1g), e uma unidade de banco de filtro de síntese de banda (1j).
BR112013020987-9A 2011-02-18 2012-02-16 Decodificador de fala, codificador de fala, método de decodificação de fala, método decodificação de fala e memórias legíveis por computador. BR112013020987B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122019027753-2A BR122019027753B1 (pt) 2011-02-18 2012-02-16 codificador de fala e método de codificação de fala

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2011-033917 2011-02-18
JP2011033917 2011-02-18
JP2011-215591 2011-09-29
JP2011215591 2011-09-29
PCT/JP2012/053700 WO2012111767A1 (ja) 2011-02-18 2012-02-16 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、及び音声符号化プログラム

Publications (2)

Publication Number Publication Date
BR112013020987A2 true BR112013020987A2 (pt) 2016-10-11
BR112013020987B1 BR112013020987B1 (pt) 2021-01-19

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BR112013020987-9A BR112013020987B1 (pt) 2011-02-18 2012-02-16 Decodificador de fala, codificador de fala, método de decodificação de fala, método decodificação de fala e memórias legíveis por computador.
BR122019027753-2A BR122019027753B1 (pt) 2011-02-18 2012-02-16 codificador de fala e método de codificação de fala

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US (1) US8756068B2 (pt)
EP (5) EP2677519B1 (pt)
JP (7) JP5977176B2 (pt)
KR (7) KR20170070286A (pt)
CN (2) CN104916290B (pt)
AU (1) AU2012218409B2 (pt)
BR (2) BR112013020987B1 (pt)
CA (4) CA3055514C (pt)
DK (5) DK3407352T3 (pt)
ES (4) ES2916257T3 (pt)
FI (2) FI3998607T3 (pt)
HU (3) HUE062540T2 (pt)
MX (2) MX2013009464A (pt)
PL (4) PL4020466T3 (pt)
PT (5) PT2677519T (pt)
RU (8) RU2599966C2 (pt)
SG (1) SG192796A1 (pt)
TW (3) TWI576830B (pt)
WO (1) WO2012111767A1 (pt)

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US20130339010A1 (en) 2013-12-19
CA2827482C (en) 2018-01-02
TW201301263A (zh) 2013-01-01
FI4020466T3 (fi) 2023-06-14
JP5977176B2 (ja) 2016-08-24
KR102424902B1 (ko) 2022-07-22
RU2718425C1 (ru) 2020-04-02
EP3998607B1 (en) 2024-03-27
JP6810292B2 (ja) 2021-01-06
PL3407352T3 (pl) 2022-08-08
HUE058847T2 (hu) 2022-09-28
AU2012218409B2 (en) 2016-09-15
RU2742199C1 (ru) 2021-02-03
CA3147525A1 (en) 2012-08-23
KR20200142110A (ko) 2020-12-21
PL3567589T3 (pl) 2022-06-06
DK2677519T3 (da) 2019-09-23
CA3055514A1 (en) 2012-08-23
CA3055514C (en) 2022-05-17
KR20140005256A (ko) 2014-01-14
JP2017194716A (ja) 2017-10-26
ES2913760T3 (es) 2022-06-06
RU2651193C1 (ru) 2018-04-18
JP6664526B2 (ja) 2020-03-13
EP3567589B1 (en) 2022-04-06
KR102208914B1 (ko) 2021-01-27
BR112013020987B1 (pt) 2021-01-19
CN103370742A (zh) 2013-10-23
CN104916290B (zh) 2018-11-06
WO2012111767A1 (ja) 2012-08-23
FI3998607T3 (fi) 2024-04-22
CA2984936A1 (en) 2012-08-23
ES2949240T3 (es) 2023-09-26
EP3998607A1 (en) 2022-05-18
JP6189498B2 (ja) 2017-08-30
KR102565287B1 (ko) 2023-08-08
TWI563499B (pt) 2016-12-21
JP7252381B2 (ja) 2023-04-04
RU2013142349A (ru) 2015-03-27
RU2630379C1 (ru) 2017-09-07
US8756068B2 (en) 2014-06-17
JP2020077012A (ja) 2020-05-21
JP2016218464A (ja) 2016-12-22
PT4020466T (pt) 2023-06-27
KR20170070286A (ko) 2017-06-21
EP2677519B1 (en) 2019-08-14
JPWO2012111767A1 (ja) 2014-07-07
PT2677519T (pt) 2019-09-30
RU2674922C1 (ru) 2018-12-13
PT3407352T (pt) 2022-06-07
HUE058682T2 (hu) 2022-09-28
EP3567589A1 (en) 2019-11-13
RU2707931C1 (ru) 2019-12-02
JP2019091074A (ja) 2019-06-13
PL4020466T3 (pl) 2023-09-25
PL2677519T3 (pl) 2019-12-31
EP3407352B1 (en) 2022-05-11
PT3567589T (pt) 2022-05-19
HUE062540T2 (hu) 2023-11-28
CA2827482A1 (en) 2012-08-23
TWI547941B (zh) 2016-09-01
DK3567589T3 (da) 2022-05-09
TW201706983A (zh) 2017-02-16
DK3407352T3 (da) 2022-06-07
EP4020466A1 (en) 2022-06-29
SG192796A1 (en) 2013-09-30
CA2984936C (en) 2019-10-29
EP3407352A1 (en) 2018-11-28
DK3998607T3 (da) 2024-04-15
ES2745141T3 (es) 2020-02-27
EP2677519A1 (en) 2013-12-25
PT3998607T (pt) 2024-04-30
KR20200003943A (ko) 2020-01-10
KR20220035287A (ko) 2022-03-21
TW201637001A (zh) 2016-10-16
KR20180089567A (ko) 2018-08-08
JP6510593B2 (ja) 2019-05-08
KR20220106233A (ko) 2022-07-28
ES2916257T3 (es) 2022-06-29
JP2022043334A (ja) 2022-03-15
BR122019027753B1 (pt) 2021-04-20
MX2013009464A (es) 2013-12-06
KR102068112B1 (ko) 2020-01-20
DK4020466T3 (da) 2023-06-26
AU2012218409A1 (en) 2013-09-12
RU2599966C2 (ru) 2016-10-20
EP4020466B1 (en) 2023-05-10
KR102375912B1 (ko) 2022-03-16
JP7009602B2 (ja) 2022-01-25
RU2679973C1 (ru) 2019-02-14
MX339764B (es) 2016-06-08
CN103370742B (zh) 2015-06-03
EP2677519A4 (en) 2016-10-19
CN104916290A (zh) 2015-09-16
TWI576830B (zh) 2017-04-01
JP2021043471A (ja) 2021-03-18
EP3407352B9 (en) 2022-08-10

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