BR112018068098A2 - unidade de ocultação de erros, decodificador de áudio, método relacionado e programa de computador para diminuição gradual de um quadro de áudio oculto de acordo com diversos fatores de amortecimento para diversas bandas de frequência - Google Patents

unidade de ocultação de erros, decodificador de áudio, método relacionado e programa de computador para diminuição gradual de um quadro de áudio oculto de acordo com diversos fatores de amortecimento para diversas bandas de frequência

Info

Publication number
BR112018068098A2
BR112018068098A2 BR112018068098A BR112018068098A BR112018068098A2 BR 112018068098 A2 BR112018068098 A2 BR 112018068098A2 BR 112018068098 A BR112018068098 A BR 112018068098A BR 112018068098 A BR112018068098 A BR 112018068098A BR 112018068098 A2 BR112018068098 A2 BR 112018068098A2
Authority
BR
Brazil
Prior art keywords
error concealment
audio frame
various
computer program
frequency bands
Prior art date
Application number
BR112018068098A
Other languages
English (en)
Inventor
Jérémie Lecomte
Adrian Tomasek
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BR112018068098A2 publication Critical patent/BR112018068098A2/pt

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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
    • G10L19/005—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
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L25/03—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
    • 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
    • G10L25/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

é fornecida uma unidade de ocultação de erro (1402-1045), um método e um programa de computador para fornecer uma informação de áudio de ocultação de erro (1407) para ocultar a perda de um quadro de áudio em uma informação de áudio codificada. em uma aplicação, a unidade de ocultação de erro é configurada para fornecer uma informação de áudio de ocultação de erro (1407) usando uma ocultação de domínio de frequência com base em um quadro de áudio decodificado, precedendo corretamente um quadro de áudio perdido. a unidade de ocultação de erros é configurada para diminuir (920) um quadro de áudio oculto de acordo com diferentes fatores de amortecimento (1404a-1404g) para diferentes bandas de frequência (1403a-1403g).frame
BR112018068098A 2016-03-07 2017-03-03 unidade de ocultação de erros, decodificador de áudio, método relacionado e programa de computador para diminuição gradual de um quadro de áudio oculto de acordo com diversos fatores de amortecimento para diversas bandas de frequência BR112018068098A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16159033 2016-03-07
EP16171443 2016-05-25
PCT/EP2017/055106 WO2017153299A2 (en) 2016-03-07 2017-03-03 Error concealment unit, audio decoder, and related method and computer program fading out a concealed audio frame out according to different damping factors for different frequency bands

Publications (1)

Publication Number Publication Date
BR112018068098A2 true BR112018068098A2 (pt) 2019-01-15

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BR112018068098A BR112018068098A2 (pt) 2016-03-07 2017-03-03 unidade de ocultação de erros, decodificador de áudio, método relacionado e programa de computador para diminuição gradual de um quadro de áudio oculto de acordo com diversos fatores de amortecimento para diversas bandas de frequência

Country Status (11)

Country Link
US (1) US10706858B2 (pt)
EP (1) EP3427257B1 (pt)
JP (1) JP6826126B2 (pt)
KR (1) KR102192998B1 (pt)
CN (1) CN109313905B (pt)
BR (1) BR112018068098A2 (pt)
CA (1) CA3016949C (pt)
ES (1) ES2874629T3 (pt)
MX (1) MX2018010754A (pt)
RU (1) RU2711108C1 (pt)
WO (1) WO2017153299A2 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10225395B2 (en) * 2015-12-09 2019-03-05 Whatsapp Inc. Techniques to dynamically engage echo cancellation
CA3016837C (en) * 2016-03-07 2021-09-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Hybrid concealment method: combination of frequency and time domain packet loss concealment in audio codecs
MX2018010756A (es) * 2016-03-07 2019-01-14 Fraunhofer Ges Forschung Unidad de ocultamiento de error, decodificador de audio, y método relacionado y programa de computadora que usa características de una representación decodificada de una trama de audio decodificada apropiadamente.
KR102410820B1 (ko) * 2017-08-14 2022-06-20 삼성전자주식회사 뉴럴 네트워크를 이용한 인식 방법 및 장치 및 상기 뉴럴 네트워크를 트레이닝하는 방법 및 장치
WO2020165265A1 (en) 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and decoding method for lc3 concealment including full frame loss concealment and partial frame loss concealment
WO2020164752A1 (en) * 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio transmitter processor, audio receiver processor and related methods and computer programs
WO2020169754A1 (en) * 2019-02-21 2020-08-27 Telefonaktiebolaget Lm Ericsson (Publ) Methods for phase ecu f0 interpolation split and related controller
JP7371133B2 (ja) 2019-06-13 2023-10-30 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 時間反転されたオーディオサブフレームエラー隠蔽
CN114387989B (zh) * 2022-03-23 2022-07-01 北京汇金春华科技有限公司 语音信号处理方法、装置、系统及存储介质

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2177413A1 (en) * 1995-06-07 1996-12-08 Yair Shoham Codebook gain attenuation during frame erasures
US6675054B1 (en) * 1998-04-20 2004-01-06 Sun Microsystems, Inc. Method and apparatus of supporting an audio protocol in a network environment
FR2813722B1 (fr) * 2000-09-05 2003-01-24 France Telecom Procede et dispositif de dissimulation d'erreurs et systeme de transmission comportant un tel dispositif
US7356748B2 (en) * 2003-12-19 2008-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Partial spectral loss concealment in transform codecs
SE527669C2 (sv) * 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Förbättrad felmaskering i frekvensdomänen
CA2596341C (en) * 2005-01-31 2013-12-03 Sonorit Aps Method for concatenating frames in communication system
US20070282601A1 (en) 2006-06-02 2007-12-06 Texas Instruments Inc. Packet loss concealment for a conjugate structure algebraic code excited linear prediction decoder
CN101155140A (zh) * 2006-10-01 2008-04-02 华为技术有限公司 音频流错误隐藏的方法、装置和系统
JP4708446B2 (ja) 2007-03-02 2011-06-22 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
US8478587B2 (en) 2007-03-16 2013-07-02 Panasonic Corporation Voice analysis device, voice analysis method, voice analysis program, and system integration circuit
DE102007018484B4 (de) * 2007-03-20 2009-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Senden einer Folge von Datenpaketen und Decodierer und Vorrichtung zum Decodieren einer Folge von Datenpaketen
JP5618826B2 (ja) * 2007-06-14 2014-11-05 ヴォイスエイジ・コーポレーション Ｉｔｕ．ｔ勧告ｇ．７１１と相互運用可能なｐｃｍコーデックにおいてフレーム消失を補償する装置および方法
CN101689370B (zh) 2007-07-09 2012-08-22 日本电气株式会社 音频分组接收器、音频分组接收方法
FR2929466A1 (fr) * 2008-03-28 2009-10-02 France Telecom Dissimulation d'erreur de transmission dans un signal numerique dans une structure de decodage hierarchique
WO2009150290A1 (en) * 2008-06-13 2009-12-17 Nokia Corporation Method and apparatus for error concealment of encoded audio data
JP6000854B2 (ja) 2010-11-22 2016-10-05 株式会社Ｎｔｔドコモ 音声符号化装置および方法、並びに、音声復号装置および方法
JP5694745B2 (ja) * 2010-11-26 2015-04-01 株式会社Ｎｔｔドコモ 隠蔽信号生成装置、隠蔽信号生成方法および隠蔽信号生成プログラム
CA2827000C (en) * 2011-02-14 2016-04-05 Jeremie Lecomte Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
US9047863B2 (en) 2012-01-12 2015-06-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for criticality threshold control
JP6088644B2 (ja) * 2012-06-08 2017-03-01 サムスン エレクトロニクス カンパニー リミテッド フレームエラー隠匿方法及びその装置、並びにオーディオ復号化方法及びその装置
US9633662B2 (en) 2012-09-13 2017-04-25 Lg Electronics Inc. Frame loss recovering method, and audio decoding method and device using same
ES2881510T3 (es) * 2013-02-05 2021-11-29 Ericsson Telefon Ab L M Método y aparato para controlar la ocultación de pérdida de trama de audio
MX371425B (es) 2013-06-21 2020-01-29 Fraunhofer Ges Forschung Aparato y metodo para la ocultacion mejorada del libro de codigo adaptativo en la ocultacion similar a acelp mediante la utilizacion de una estimacion mejorada del retardo de tono.
PL3011555T3 (pl) 2013-06-21 2018-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Rekonstrukcja ramki sygnału mowy
PL3011557T3 (pl) * 2013-06-21 2017-10-31 Fraunhofer Ges Forschung Urządzenie i sposób do udoskonalonego stopniowego zmniejszania sygnału w przełączanych układach kodowania sygnału audio podczas ukrywania błędów
CN104282309A (zh) 2013-07-05 2015-01-14 杜比实验室特许公司 丢包掩蔽装置和方法以及音频处理系统
PL3355305T3 (pl) 2013-10-31 2020-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu
PL3288026T3 (pl) * 2013-10-31 2020-11-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem ukrywania błędów na bazie sygnału pobudzenia w dziedzinie czasu
EP2922056A1 (en) * 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation

Also Published As

Publication number Publication date
KR20180122660A (ko) 2018-11-13
KR102192998B1 (ko) 2020-12-18
CA3016949C (en) 2021-08-31
RU2711108C1 (ru) 2020-01-15
JP2019511740A (ja) 2019-04-25
EP3427257B1 (en) 2021-05-05
WO2017153299A2 (en) 2017-09-14
CN109313905B (zh) 2023-05-23
CA3016949A1 (en) 2017-09-14
ES2874629T3 (es) 2021-11-05
EP3427257A2 (en) 2019-01-16
US20190005966A1 (en) 2019-01-03
CN109313905A (zh) 2019-02-05
WO2017153299A3 (en) 2017-10-19
MX2018010754A (es) 2019-01-14
JP6826126B2 (ja) 2021-02-03
US10706858B2 (en) 2020-07-07

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