PL2676270T3 - Kodowanie części sygnału audio z zastosowaniem wykrywania transjentu i wyniku jakości - Google Patents

Kodowanie części sygnału audio z zastosowaniem wykrywania transjentu i wyniku jakości

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Publication number
PL2676270T3
PL2676270T3 PL12707048T PL12707048T PL2676270T3 PL 2676270 T3 PL2676270 T3 PL 2676270T3 PL 12707048 T PL12707048 T PL 12707048T PL 12707048 T PL12707048 T PL 12707048T PL 2676270 T3 PL2676270 T3 PL 2676270T3
Authority
PL
Poland
Prior art keywords
coding
audio signal
transient detection
quality result
quality
Prior art date
Application number
PL12707048T
Other languages
English (en)
Inventor
Christian Helmrich
Guillaume Fuchs
Goran Markovic
Original Assignee
Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V
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 Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V filed Critical Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V
Publication of PL2676270T3 publication Critical patent/PL2676270T3/pl

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Classifications

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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
    • G10L19/02—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
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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
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
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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
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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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    • G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL12707048T 2011-02-14 2012-02-13 Kodowanie części sygnału audio z zastosowaniem wykrywania transjentu i wyniku jakości PL2676270T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161442632P 2011-02-14 2011-02-14
EP12707048.0A EP2676270B1 (en) 2011-02-14 2012-02-13 Coding a portion of an audio signal using a transient detection and a quality result
PCT/EP2012/052396 WO2012110448A1 (en) 2011-02-14 2012-02-13 Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result

Publications (1)

Publication Number Publication Date
PL2676270T3 true PL2676270T3 (pl) 2017-07-31

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PL12707048T PL2676270T3 (pl) 2011-02-14 2012-02-13 Kodowanie części sygnału audio z zastosowaniem wykrywania transjentu i wyniku jakości

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Country Link
US (1) US9620129B2 (pl)
EP (1) EP2676270B1 (pl)
JP (1) JP5914527B2 (pl)
KR (2) KR101562281B1 (pl)
CN (1) CN103493129B (pl)
AR (2) AR085217A1 (pl)
AU (1) AU2012217216B2 (pl)
BR (1) BR112013020588B1 (pl)
CA (2) CA2920964C (pl)
ES (1) ES2623291T3 (pl)
MX (1) MX2013009304A (pl)
MY (1) MY166006A (pl)
PL (1) PL2676270T3 (pl)
PT (1) PT2676270T (pl)
RU (1) RU2573231C2 (pl)
SG (1) SG192714A1 (pl)
TW (1) TWI476760B (pl)
WO (1) WO2012110448A1 (pl)
ZA (1) ZA201306842B (pl)

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BR122015019030B1 (pt) 2008-12-15 2020-05-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V codificador de audio e decodificador de extensão de largura de banda
PL2904612T3 (pl) 2012-10-05 2019-05-31 Fraunhofer Ges Forschung Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji
ES2616434T3 (es) * 2013-01-29 2017-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para seleccionar uno de un primer algoritmo de codificación de audio y un segundo algoritmo de codificación de audio
AU2014220725B2 (en) 2013-02-20 2016-11-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap
CN122531400A (zh) 2013-02-21 2026-08-07 杜比国际公司 用于参数化多声道编码的方法
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
TWI847206B (zh) 2013-09-12 2024-07-01 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
EP2980797A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition
ES2975073T3 (es) 2014-03-31 2024-07-03 Fraunhofer Ges Forschung Codificador, descodificador, procedimiento de codificación, procedimiento de descodificación y programa
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
EP2980793A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder, system and methods for encoding and decoding
EP2980798A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Harmonicity-dependent controlling of a harmonic filter tool
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