CN101971252B - 操纵具有瞬变事件的音频信号的方法和设备 - Google Patents

操纵具有瞬变事件的音频信号的方法和设备 Download PDF

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CN101971252B
CN101971252B CN2009801081751A CN200980108175A CN101971252B CN 101971252 B CN101971252 B CN 101971252B CN 2009801081751 A CN2009801081751 A CN 2009801081751A CN 200980108175 A CN200980108175 A CN 200980108175A CN 101971252 B CN101971252 B CN 101971252B
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signal
audio signal
transient
time
time portion
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CN101971252A (zh
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萨沙·迪施
弗雷德里克·纳格尔
尼古拉斯·里特尔博谢
马库斯·马特拉斯
纪尧姆·福克斯
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Amplifiers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CN2009801081751A 2008-03-10 2009-02-17 操纵具有瞬变事件的音频信号的方法和设备 Active CN101971252B (zh)

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US3531708P 2008-03-10 2008-03-10
US61/035,317 2008-03-10
PCT/EP2009/001108 WO2009112141A1 (en) 2008-03-10 2009-02-17 Device and method for manipulating an audio signal having a transient event

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CN201210262522.XA Division CN102789784B (zh) 2008-03-10 2009-02-17 操纵具有瞬变事件的音频信号的方法和设备
CN201210262760.0A Division CN102789785B (zh) 2008-03-10 2009-02-17 操纵具有瞬变事件的音频信号的方法和设备

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CN201210262522.XA Active CN102789784B (zh) 2008-03-10 2009-02-17 操纵具有瞬变事件的音频信号的方法和设备
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CN201210262760.0A Active CN102789785B (zh) 2008-03-10 2009-02-17 操纵具有瞬变事件的音频信号的方法和设备

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EP (4) EP2293294B1 (enExample)
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CN (4) CN101971252B (enExample)
AU (1) AU2009225027B2 (enExample)
BR (4) BR122012006270B1 (enExample)
CA (4) CA2717694C (enExample)
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MX (1) MX2010009932A (enExample)
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TR (1) TR201910850T4 (enExample)
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