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PL2676268T3 - Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej - Google Patents

Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej

Info

Publication number
PL2676268T3
PL2676268T3 PL12704258T PL12704258T PL2676268T3 PL 2676268 T3 PL2676268 T3 PL 2676268T3 PL 12704258 T PL12704258 T PL 12704258T PL 12704258 T PL12704258 T PL 12704258T PL 2676268 T3 PL2676268 T3 PL 2676268T3
Authority
PL
Poland
Prior art keywords
processing
audio signal
decoded audio
spectral domain
spectral
Prior art date
Application number
PL12704258T
Other languages
English (en)
Inventor
Guillaume Fuchs
Ralf Geiger
Markus Schnell
Emmanuel Ravelli
Stefan Doehla
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 PL2676268T3 publication Critical patent/PL2676268T3/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
    • G10L19/02—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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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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
    • 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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    • G10L19/00—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
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    • G—PHYSICS
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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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    • 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
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
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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
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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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    • G10L19/04—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)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
PL12704258T 2011-02-14 2012-02-10 Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej PL2676268T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161442632P 2011-02-14 2011-02-14
PCT/EP2012/052292 WO2012110415A1 (en) 2011-02-14 2012-02-10 Apparatus and method for processing a decoded audio signal in a spectral domain
EP12704258.8A EP2676268B1 (en) 2011-02-14 2012-02-10 Apparatus and method for processing a decoded audio signal in a spectral domain

Publications (1)

Publication Number Publication Date
PL2676268T3 true PL2676268T3 (pl) 2015-05-29

Family

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Family Applications (1)

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PL12704258T PL2676268T3 (pl) 2011-02-14 2012-02-10 Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej

Country Status (18)

Country Link
US (1) US9583110B2 (pl)
EP (1) EP2676268B1 (pl)
JP (1) JP5666021B2 (pl)
KR (1) KR101699898B1 (pl)
CN (1) CN103503061B (pl)
AR (1) AR085362A1 (pl)
AU (1) AU2012217269B2 (pl)
BR (1) BR112013020482B1 (pl)
CA (1) CA2827249C (pl)
ES (1) ES2529025T3 (pl)
MX (1) MX2013009344A (pl)
MY (1) MY164797A (pl)
PL (1) PL2676268T3 (pl)
RU (1) RU2560788C2 (pl)
SG (1) SG192746A1 (pl)
TW (1) TWI469136B (pl)
WO (1) WO2012110415A1 (pl)
ZA (1) ZA201306838B (pl)

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JP5666021B2 (ja) * 2011-02-14 2015-02-04 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 復号後オーディオ信号をスペクトル領域で処理する装置及び方法
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
PT3239978T (pt) 2011-02-14 2019-04-02 Fraunhofer Ges Forschung Codificação e descodificação de posições de pulso de faixas de um sinal de áudio
EP2720222A1 (en) * 2012-10-10 2014-04-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns
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TWI550599B (zh) 2013-02-20 2016-09-21 弗勞恩霍夫爾協會 使用瞬態位置相依重疊以編碼或解碼音頻信號之設備、解碼器、電腦程式及方法
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RU2628177C2 (ru) * 2013-05-24 2017-08-15 Долби Интернешнл Аб Способы кодирования и декодирования звука, соответствующие машиночитаемые носители и соответствующие устройство кодирования и устройство декодирования звука
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KR102244613B1 (ko) 2013-10-28 2021-04-26 삼성전자주식회사 Ｑｍｆ 필터링 방법 및 이를 수행하는 장치
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JP6035270B2 (ja) * 2014-03-24 2016-11-30 株式会社Ｎｔｔドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
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