PL2661745T3 - Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio - Google Patents

Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio

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Publication number
PL2661745T3
PL2661745T3 PL12705999T PL12705999T PL2661745T3 PL 2661745 T3 PL2661745 T3 PL 2661745T3 PL 12705999 T PL12705999 T PL 12705999T PL 12705999 T PL12705999 T PL 12705999T PL 2661745 T3 PL2661745 T3 PL 2661745T3
Authority
PL
Poland
Prior art keywords
usac
low
audio coding
error concealment
unified speech
Prior art date
Application number
PL12705999T
Other languages
English (en)
Inventor
Jérémie Lecomte
Martin Dietz
Michael Schnabel
Ralph Sperschneider
Original Assignee
Fraunhofer Ges Forschung
Univ Ilmenau Tech
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, Univ Ilmenau Tech filed Critical Fraunhofer Ges Forschung
Publication of PL2661745T3 publication Critical patent/PL2661745T3/pl

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    • 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
    • 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
    • G—PHYSICS
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    • 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
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    • 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
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    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • G—PHYSICS
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    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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    • 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
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    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
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    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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    • 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
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    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
PL12705999T 2011-02-14 2012-02-13 Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio PL2661745T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161442632P 2011-02-14 2011-02-14
EP12705999.6A EP2661745B1 (en) 2011-02-14 2012-02-13 Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
PCT/EP2012/052395 WO2012110447A1 (en) 2011-02-14 2012-02-13 Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)

Publications (1)

Publication Number Publication Date
PL2661745T3 true PL2661745T3 (pl) 2015-09-30

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PL12705999T PL2661745T3 (pl) 2011-02-14 2012-02-13 Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio

Country Status (18)

Country Link
US (1) US9384739B2 (pl)
EP (1) EP2661745B1 (pl)
JP (1) JP5849106B2 (pl)
KR (1) KR101551046B1 (pl)
CN (1) CN103620672B (pl)
AR (1) AR085218A1 (pl)
AU (1) AU2012217215B2 (pl)
BR (1) BR112013020324B8 (pl)
CA (1) CA2827000C (pl)
ES (1) ES2539174T3 (pl)
MX (1) MX2013009301A (pl)
MY (1) MY167853A (pl)
PL (1) PL2661745T3 (pl)
RU (1) RU2630390C2 (pl)
SG (1) SG192734A1 (pl)
TW (1) TWI484479B (pl)
WO (1) WO2012110447A1 (pl)
ZA (1) ZA201306499B (pl)

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SG11201603429SA (en) 2013-10-31 2016-05-30 Fraunhofer Ges Forschung Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
AU2014343905B2 (en) 2013-10-31 2017-11-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder and method for providing a decoded audio information using an error concealment modifying a time domain excitation signal
JP6396459B2 (ja) * 2013-10-31 2018-09-26 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 周波数領域における時間的予備整形雑音の挿入によるオーディオ帯域幅拡張
EP2922055A1 (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 individual replacement LPC representations for individual codebook information
EP2922054A1 (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 an adaptive noise estimation
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
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EP3143620A1 (en) * 2014-05-15 2017-03-22 Telefonaktiebolaget LM Ericsson (publ) Audio signal classification and coding
CN106683681B (zh) 2014-06-25 2020-09-25 华为技术有限公司 处理丢失帧的方法和装置
EP2980792A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an enhanced signal using independent noise-filling
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CN105451842B (zh) * 2014-07-28 2019-06-11 弗劳恩霍夫应用研究促进协会 选择第一编码演算法和第二编码演算法之一的装置与方法
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CN109155134B (zh) * 2016-03-07 2023-05-23 弗劳恩霍夫应用研究促进协会 隐藏音频帧丢失的错误隐藏单元、音频解码器和相关方法
KR20180037852A (ko) * 2016-10-05 2018-04-13 삼성전자주식회사 영상 처리 장치 및 그 제어방법
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CA2827000C (en) 2016-04-05
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EP2661745B1 (en) 2015-04-08
BR112013020324A2 (pt) 2018-07-10
AR085218A1 (es) 2013-09-18
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EP2661745A1 (en) 2013-11-13
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SG192734A1 (en) 2013-09-30
US20130332152A1 (en) 2013-12-12
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BR112013020324B1 (pt) 2021-06-29

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