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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

Info

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

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
    • G10L19/04—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
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    • 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
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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
    • G10L19/028—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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    • 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
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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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    • G10L19/04—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

Landscapes

  • 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)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (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
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)
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)

Publications (1)

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

Family

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Family Applications (1)

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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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US9741350B2 (en) * 2013-02-08 2017-08-22 Qualcomm Incorporated Systems and methods of performing gain control
CA2916150C (en) 2013-06-21 2019-06-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method realizing improved concepts for tcx ltp
CN104301064B (zh) 2013-07-16 2018-05-04 华为技术有限公司 处理丢失帧的方法和解码器
SG10201609235UA (en) * 2013-10-31 2016-12-29 Fraunhofer Ges Forschung Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
RU2667029C2 (ru) * 2013-10-31 2018-09-13 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиодекодер и способ обеспечения декодированной аудиоинформации с использованием маскирования ошибки, модифицирующего сигнал возбуждения во временной области
MX355452B (es) * 2013-10-31 2018-04-18 Fraunhofer Ges Forschung Extension de ancho de banda de audio mediante insercion de ruido pre-formado temporal en el dominio de frecuencia.
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
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
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
RU2668111C2 (ru) * 2014-05-15 2018-09-26 Телефонактиеболагет Лм Эрикссон (Пабл) Классификация и кодирование аудиосигналов
NO2780522T3 (pl) 2014-05-15 2018-06-09
CN105225666B (zh) 2014-06-25 2016-12-28 华为技术有限公司 处理丢失帧的方法和装置
EP3000110B1 (en) 2014-07-28 2016-12-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selection of one of a first encoding algorithm and a second encoding algorithm using harmonics reduction
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
EP2980790A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for comfort noise generation mode selection
CN109313905B (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、音频解码器及相关方法
MX386551B (es) 2016-03-07 2025-03-19 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.
ES2797092T3 (es) * 2016-03-07 2020-12-01 Fraunhofer Ges Forschung Técnicas de ocultamiento híbrido: combinación de ocultamiento de pérdida paquete de dominio de frecuencia y tiempo en códecs de audio
KR20180037852A (ko) * 2016-10-05 2018-04-13 삼성전자주식회사 영상 처리 장치 및 그 제어방법
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AR085218A1 (es) 2013-09-18
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