BRPI0718422A2 - Síntese de blocos perdidos de um sinal audiodigital com correção de período de pitch - Google Patents

Síntese de blocos perdidos de um sinal audiodigital com correção de período de pitch

Info

Publication number
BRPI0718422A2
BRPI0718422A2 BRPI0718422-0A2A BRPI0718422A BRPI0718422A2 BR PI0718422 A2 BRPI0718422 A2 BR PI0718422A2 BR PI0718422 A BRPI0718422 A BR PI0718422A BR PI0718422 A2 BRPI0718422 A2 BR PI0718422A2
Authority
BR
Brazil
Prior art keywords
repetition period
pitch period
samples
audio signal
synthesis
Prior art date
Application number
BRPI0718422-0A2A
Other languages
English (en)
Inventor
Balazs Kovesi
Stephane Ragot
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Publication of BRPI0718422A2 publication Critical patent/BRPI0718422A2/pt
Publication of BRPI0718422B1 publication Critical patent/BRPI0718422B1/pt

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
    • 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
    • G10L25/90—Pitch determination of speech signals
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereophonic System (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
BRPI0718422-0A 2006-10-20 2007-10-17 Método para sintetizar um sinal de áudio digital, memória de um dispositivo de síntese de sinal de áudio digital, dispositivo de síntese de sinal de áudio digital e decodificador de um sinal de áudio digital BRPI0718422B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0609227A FR2907586A1 (fr) 2006-10-20 2006-10-20 Synthese de blocs perdus d'un signal audionumerique,avec correction de periode de pitch.
FR0609227 2006-10-20
PCT/FR2007/052189 WO2008096084A1 (fr) 2006-10-20 2007-10-17 Synthèse de blocs perdus d'un signal audionumérique, avec correction de période de pitch

Publications (2)

Publication Number Publication Date
BRPI0718422A2 true BRPI0718422A2 (pt) 2013-11-12
BRPI0718422B1 BRPI0718422B1 (pt) 2020-02-11

Family

ID=37735201

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0718422-0A BRPI0718422B1 (pt) 2006-10-20 2007-10-17 Método para sintetizar um sinal de áudio digital, memória de um dispositivo de síntese de sinal de áudio digital, dispositivo de síntese de sinal de áudio digital e decodificador de um sinal de áudio digital

Country Status (14)

Country Link
US (1) US8417519B2 (pt)
EP (1) EP2080195B1 (pt)
JP (1) JP5289320B2 (pt)
KR (1) KR101406742B1 (pt)
CN (1) CN101627423B (pt)
AT (1) ATE502376T1 (pt)
BR (1) BRPI0718422B1 (pt)
DE (1) DE602007013265D1 (pt)
ES (1) ES2363181T3 (pt)
FR (1) FR2907586A1 (pt)
MX (1) MX2009004211A (pt)
PL (1) PL2080195T3 (pt)
RU (1) RU2432625C2 (pt)
WO (1) WO2008096084A1 (pt)

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US8706479B2 (en) * 2008-11-14 2014-04-22 Broadcom Corporation Packet loss concealment for sub-band codecs
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
JP5456370B2 (ja) * 2009-05-25 2014-03-26 任天堂株式会社 発音評価プログラム、発音評価装置、発音評価システムおよび発音評価方法
US8976675B2 (en) * 2011-02-28 2015-03-10 Avaya Inc. Automatic modification of VOIP packet retransmission level based on the psycho-acoustic value of the packet
JP5932399B2 (ja) * 2012-03-02 2016-06-08 キヤノン株式会社 撮像装置及び音声処理装置
CN103928029B (zh) * 2013-01-11 2017-02-08 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
FR3001593A1 (fr) * 2013-01-31 2014-08-01 France Telecom Correction perfectionnee de perte de trame au decodage d'un signal.
WO2014123469A1 (en) 2013-02-05 2014-08-14 Telefonaktiebolaget L M Ericsson (Publ) Enhanced audio frame loss concealment
BR112015017222B1 (pt) 2013-02-05 2021-04-06 Telefonaktiebolaget Lm Ericsson (Publ) Método e decodificador configurado para ocultar um quadro de áudio perdido de um sinal de áudio recebido, receptor, e, meio legível por computador
MY198868A (en) 2013-02-05 2023-10-02 Ericsson Telefon Ab L M Method and appartus for controlling audio frame loss concealment
RU2665253C2 (ru) 2013-06-21 2018-08-28 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для улучшенного маскирования адаптивной таблицы кодирования при acelp-образном маскировании с использованием улучшенной оценки запаздывания основного тона
MX352092B (es) * 2013-06-21 2017-11-08 Fraunhofer Ges Forschung Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada.
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
PT3285254T (pt) 2013-10-31 2019-07-09 Fraunhofer Ges Forschung Descodificador de áudio e método para fornecer uma informação de áudio descodificada utilizando uma ocultação de erro com base num sinal de excitação no domínio de tempo
PT3063759T (pt) 2013-10-31 2018-03-22 Fraunhofer Ges Forschung Descodificador de áudio e método para fornecer uma informação de áudio descodificada utilizando uma dissimulação de erros que modifica um sinal de excitação de domínio de tempo
NO2780522T3 (pt) 2014-05-15 2018-06-09
US9706317B2 (en) * 2014-10-24 2017-07-11 Starkey Laboratories, Inc. Packet loss concealment techniques for phone-to-hearing-aid streaming
JP6611042B2 (ja) * 2015-12-02 2019-11-27 パナソニックＩｐマネジメント株式会社 音声信号復号装置及び音声信号復号方法
GB2547877B (en) * 2015-12-21 2019-08-14 Graham Craven Peter Lossless bandsplitting and bandjoining using allpass filters
CN106970950B (zh) * 2017-03-07 2021-08-24 腾讯音乐娱乐（深圳）有限公司 相似音频数据的查找方法及装置
WO2022045395A1 (ko) * 2020-08-27 2022-03-03 임재윤 파열음 제거를 위한 오디오데이터를 보정하는 방법 및 장치
CN116033311B (zh) * 2021-10-26 2025-07-08 珠海市杰理科技股份有限公司 主动降噪方法、装置、电路、设备和系统

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US3369077A (en) * 1964-06-09 1968-02-13 Ibm Pitch modification of audio waveforms
JPH05344101A (ja) * 1992-06-09 1993-12-24 Canon Inc データ再生装置
CA2137459A1 (en) * 1993-05-04 1994-11-10 Stephen V. Cahill Apparatus and method for substantially eliminating noise in an audible output signal
SE503547C2 (sv) * 1993-06-11 1996-07-01 Ericsson Telefon Ab L M Anordning och förfarande för döljande av förlorade ramar
JP3572769B2 (ja) * 1995-11-30 2004-10-06 ソニー株式会社 ディジタルオーディオ信号処理装置および方法
US6597961B1 (en) * 1999-04-27 2003-07-22 Realnetworks, Inc. System and method for concealing errors in an audio transmission
JP2001228896A (ja) * 2000-02-14 2001-08-24 Iwatsu Electric Co Ltd 欠落音声パケットの代替置換方式
US6584438B1 (en) * 2000-04-24 2003-06-24 Qualcomm Incorporated Frame erasure compensation method in a variable rate speech coder
US20030163304A1 (en) * 2002-02-28 2003-08-28 Fisseha Mekuria Error concealment for voice transmission system
US20030220787A1 (en) * 2002-04-19 2003-11-27 Henrik Svensson Method of and apparatus for pitch period estimation
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
US7411985B2 (en) * 2003-03-21 2008-08-12 Lucent Technologies Inc. Low-complexity packet loss concealment method for voice-over-IP speech transmission
CN100576318C (zh) * 2003-05-14 2009-12-30 冲电气工业株式会社 用于隐藏被擦除的周期信号数据的装置与方法
JP4135621B2 (ja) * 2003-11-05 2008-08-20 沖電気工業株式会社 受信装置および方法
US8725501B2 (en) * 2004-07-20 2014-05-13 Panasonic Corporation Audio decoding device and compensation frame generation method
US8024192B2 (en) * 2006-08-15 2011-09-20 Broadcom Corporation Time-warping of decoded audio signal after packet loss

Also Published As

Publication number Publication date
US8417519B2 (en) 2013-04-09
PL2080195T3 (pl) 2011-09-30
US20100318349A1 (en) 2010-12-16
KR101406742B1 (ko) 2014-06-12
JP5289320B2 (ja) 2013-09-11
RU2009118929A (ru) 2010-11-27
RU2432625C2 (ru) 2011-10-27
BRPI0718422B1 (pt) 2020-02-11
MX2009004211A (es) 2009-07-02
CN101627423B (zh) 2012-05-02
EP2080195B1 (fr) 2011-03-16
WO2008096084A1 (fr) 2008-08-14
DE602007013265D1 (de) 2011-04-28
EP2080195A1 (fr) 2009-07-22
FR2907586A1 (fr) 2008-04-25
ES2363181T3 (es) 2011-07-26
JP2010507121A (ja) 2010-03-04
CN101627423A (zh) 2010-01-13
KR20090082415A (ko) 2009-07-30
ATE502376T1 (de) 2011-04-15

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: G10L 19/00

Ipc: G10L 19/005 (2013.01), G10L 19/025 (2013.01), G10L

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 11/02/2020, OBSERVADAS AS CONDICOES LEGAIS.