AU2009225027B2 - Device and method for manipulating an audio signal having a transient event - Google Patents

Device and method for manipulating an audio signal having a transient event Download PDF

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Publication number
AU2009225027B2
AU2009225027B2 AU2009225027A AU2009225027A AU2009225027B2 AU 2009225027 B2 AU2009225027 B2 AU 2009225027B2 AU 2009225027 A AU2009225027 A AU 2009225027A AU 2009225027 A AU2009225027 A AU 2009225027A AU 2009225027 B2 AU2009225027 B2 AU 2009225027B2
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audio signal
signal
transient
time
transient event
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AU2009225027A1 (en
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Sascha Disch
Guillaume Fuchs
Markus Multrus
Frederik Nagel
Nikolaus Rettelbach
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Priority to AU2012216538A priority Critical patent/AU2012216538B2/en
Priority to AU2012216539A priority patent/AU2012216539B2/en
Priority to AU2012216537A priority patent/AU2012216537B2/en
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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)
AU2009225027A 2008-03-10 2009-02-17 Device and method for manipulating an audio signal having a transient event Active AU2009225027B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2012216538A AU2012216538B2 (en) 2008-03-10 2012-08-30 Device and method for manipulating an audio signal having a transient event
AU2012216539A AU2012216539B2 (en) 2008-03-10 2012-08-30 Device and method for manipulating an audio signal having a transient event
AU2012216537A AU2012216537B2 (en) 2008-03-10 2012-08-30 Device and method for manipulating an audio signal having a transient event

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
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

Related Child Applications (3)

Application Number Title Priority Date Filing Date
AU2012216538A Division AU2012216538B2 (en) 2008-03-10 2012-08-30 Device and method for manipulating an audio signal having a transient event
AU2012216537A Division AU2012216537B2 (en) 2008-03-10 2012-08-30 Device and method for manipulating an audio signal having a transient event
AU2012216539A Division AU2012216539B2 (en) 2008-03-10 2012-08-30 Device and method for manipulating an audio signal having a transient event

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AU2009225027A1 AU2009225027A1 (en) 2009-09-17
AU2009225027B2 true AU2009225027B2 (en) 2012-09-20

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US (4) US9275652B2 (enExample)
EP (4) EP2293295A3 (enExample)
JP (4) JP5336522B2 (enExample)
KR (4) KR101230480B1 (enExample)
CN (4) CN102789784B (enExample)
AU (1) AU2009225027B2 (enExample)
BR (4) BRPI0906142B1 (enExample)
CA (4) CA2897278A1 (enExample)
ES (3) ES2738534T3 (enExample)
MX (1) MX2010009932A (enExample)
RU (4) RU2487429C2 (enExample)
TR (1) TR201910850T4 (enExample)
TW (4) TWI505265B (enExample)
WO (1) WO2009112141A1 (enExample)

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