HUE064767T2 - Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program - Google Patents

Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program

Info

Publication number
HUE064767T2
HUE064767T2 HUE23180374A HUE23180374A HUE064767T2 HU E064767 T2 HUE064767 T2 HU E064767T2 HU E23180374 A HUE23180374 A HU E23180374A HU E23180374 A HUE23180374 A HU E23180374A HU E064767 T2 HUE064767 T2 HU E064767T2
Authority
HU
Hungary
Prior art keywords
computer program
corresponding method
bandwidth extension
audio bandwidth
extension decoder
Prior art date
Application number
HUE23180374A
Other languages
English (en)
Inventor
Frederik Nagel
Guillaume Fuchs
Sascha Disch
Juergen Herre
Christian Griebel
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 HUE064767T2 publication Critical patent/HUE064767T2/hu

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
    • G10L19/04—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
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • 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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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)
  • Circuits Of Receivers In General (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
HUE23180374A 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program HUE064767T2 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12255208P 2008-12-15 2008-12-15

Publications (1)

Publication Number Publication Date
HUE064767T2 true HUE064767T2 (hu) 2024-04-28

Family

ID=42104496

Family Applications (8)

Application Number Title Priority Date Filing Date
HUE23180084A HUE064774T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE22166970A HUE064620T2 (hu) 2008-12-15 2009-12-11 Sávszélesség kiterjesztés dekóder
HUE23180061A HUE064773T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180374A HUE064767T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180367A HUE064771T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180373A HUE064653T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180085A HUE064775T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180365A HUE064777T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program

Family Applications Before (3)

Application Number Title Priority Date Filing Date
HUE23180084A HUE064774T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE22166970A HUE064620T2 (hu) 2008-12-15 2009-12-11 Sávszélesség kiterjesztés dekóder
HUE23180061A HUE064773T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program

Family Applications After (4)

Application Number Title Priority Date Filing Date
HUE23180367A HUE064771T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180373A HUE064653T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180085A HUE064775T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
HUE23180365A HUE064777T2 (hu) 2008-12-15 2009-12-11 Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program

Country Status (17)

Country Link
US (13) US8401862B2 (hu)
EP (12) EP2945159B1 (hu)
JP (3) JP2012512437A (hu)
KR (2) KR101369267B1 (hu)
CN (1) CN102246231B (hu)
AU (1) AU2009328247B9 (hu)
BR (2) BR122015019030B1 (hu)
CA (5) CA2908576C (hu)
DK (1) DK3364414T3 (hu)
ES (9) ES2968884T3 (hu)
HK (2) HK1217810A1 (hu)
HU (8) HUE064774T2 (hu)
MX (1) MX2011006163A (hu)
PL (12) PL3364414T3 (hu)
PT (3) PT2359366T (hu)
TR (1) TR201808500T4 (hu)
WO (1) WO2010069885A1 (hu)

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