BRPI0906142A2 - dispositivo e método para a manipulação de um sinal de áudio tendo um evento transiente - Google Patents

dispositivo e método para a manipulação de um sinal de áudio tendo um evento transiente

Info

Publication number
BRPI0906142A2
BRPI0906142A2 BRPI0906142A BRPI0906142A BRPI0906142A2 BR PI0906142 A2 BRPI0906142 A2 BR PI0906142A2 BR PI0906142 A BRPI0906142 A BR PI0906142A BR PI0906142 A BRPI0906142 A BR PI0906142A BR PI0906142 A2 BRPI0906142 A2 BR PI0906142A2
Authority
BR
Brazil
Prior art keywords
manipulating
audio signal
transient event
transient
event
Prior art date
Application number
BRPI0906142A
Other languages
English (en)
Inventor
Sascha Disch
Guillaume Fuchs
Markus Multrus
Frederik Nagel
Nikolaus Rettelbach
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40613146&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0906142(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Priority to BR122012006265-0A priority Critical patent/BR122012006265B1/pt
Priority to BR122012006269-3A priority patent/BR122012006269A2/pt
Priority to BR122012006270-7A priority patent/BR122012006270B1/pt
Publication of BRPI0906142A2 publication Critical patent/BRPI0906142A2/pt
Publication of BRPI0906142B1 publication Critical patent/BRPI0906142B1/pt

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
    • 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

Landscapes

  • 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)
BRPI0906142-8A 2008-03-10 2009-02-17 dispositivo e método para a manipulação de um sinal de áudio tendo um evento transiente BRPI0906142B1 (pt)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR122012006265-0A BR122012006265B1 (pt) 2008-03-10 2009-02-17 Equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente
BR122012006269-3A BR122012006269A2 (pt) 2008-03-10 2009-02-17 Equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente
BR122012006270-7A BR122012006270B1 (pt) 2008-03-10 2009-02-17 equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente

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

Publications (2)

Publication Number Publication Date
BRPI0906142A2 true BRPI0906142A2 (pt) 2017-10-31
BRPI0906142B1 BRPI0906142B1 (pt) 2020-10-20

Family

ID=40613146

Family Applications (4)

Application Number Title Priority Date Filing Date
BR122012006265-0A BR122012006265B1 (pt) 2008-03-10 2009-02-17 Equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente
BR122012006269-3A BR122012006269A2 (pt) 2008-03-10 2009-02-17 Equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente
BRPI0906142-8A BRPI0906142B1 (pt) 2008-03-10 2009-02-17 dispositivo e método para a manipulação de um sinal de áudio tendo um evento transiente
BR122012006270-7A BR122012006270B1 (pt) 2008-03-10 2009-02-17 equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente

Family Applications Before (2)

Application Number Title Priority Date Filing Date
BR122012006265-0A BR122012006265B1 (pt) 2008-03-10 2009-02-17 Equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente
BR122012006269-3A BR122012006269A2 (pt) 2008-03-10 2009-02-17 Equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR122012006270-7A BR122012006270B1 (pt) 2008-03-10 2009-02-17 equipamento e método para a manipulação de um sinal de áudio tendo um evento transiente

Country Status (14)

Country Link
US (4) US9275652B2 (pt)
EP (4) EP2250643B1 (pt)
JP (4) JP5336522B2 (pt)
KR (4) KR101291293B1 (pt)
CN (4) CN102881294B (pt)
AU (1) AU2009225027B2 (pt)
BR (4) BR122012006265B1 (pt)
CA (4) CA2717694C (pt)
ES (3) ES2738534T3 (pt)
MX (1) MX2010009932A (pt)
RU (4) RU2487429C2 (pt)
TR (1) TR201910850T4 (pt)
TW (4) TWI505265B (pt)
WO (1) WO2009112141A1 (pt)

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