PL4231293T3 - Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy - Google Patents

Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy

Info

Publication number
PL4231293T3
PL4231293T3 PL23180365.1T PL23180365T PL4231293T3 PL 4231293 T3 PL4231293 T3 PL 4231293T3 PL 23180365 T PL23180365 T PL 23180365T PL 4231293 T3 PL4231293 T3 PL 4231293T3
Authority
PL
Poland
Prior art keywords
computer program
corresponding method
bandwidth extension
audio bandwidth
extension decoder
Prior art date
Application number
PL23180365.1T
Other languages
English (en)
Inventor
Frederik Nagel
Guillaume Fuchs
Sascha Disch
Jürgen HERRE
Christian Griebel
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL4231293T3 publication Critical patent/PL4231293T3/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
    • G10L19/04—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)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (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)
PL23180365.1T 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy PL4231293T3 (pl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PL4231293T3 true PL4231293T3 (pl) 2024-04-08

Family

ID=42104496

Family Applications (12)

Application Number Title Priority Date Filing Date
PL23180367.7T PL4231294T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio
PL23180365.1T PL4231293T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL18151917.4T PL3364414T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180085.5T PL4231292T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180373.5T PL4224474T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL22166970.8T PL4053838T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180084.8T PL4231291T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180369.3T PL4231295T3 (pl) 2008-12-15 2009-12-11 Sposób dekodowania powiększania szerokości pasma audio oraz program komputerowy
PL09797003T PL2359366T3 (pl) 2008-12-15 2009-12-11 Koder audio i dekoder powiększania szerokości pasma
PL23180374.3T PL4224475T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180061.6T PL4231290T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL15167199T PL2945159T3 (pl) 2008-12-15 2009-12-11 Koder audio i dekoder powiększania szerokości pasma

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL23180367.7T PL4231294T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio

Family Applications After (10)

Application Number Title Priority Date Filing Date
PL18151917.4T PL3364414T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180085.5T PL4231292T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180373.5T PL4224474T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL22166970.8T PL4053838T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180084.8T PL4231291T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180369.3T PL4231295T3 (pl) 2008-12-15 2009-12-11 Sposób dekodowania powiększania szerokości pasma audio oraz program komputerowy
PL09797003T PL2359366T3 (pl) 2008-12-15 2009-12-11 Koder audio i dekoder powiększania szerokości pasma
PL23180374.3T PL4224475T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL23180061.6T PL4231290T3 (pl) 2008-12-15 2009-12-11 Dekoder powiększania szerokości pasma audio, powiązany sposób oraz program komputerowy
PL15167199T PL2945159T3 (pl) 2008-12-15 2009-12-11 Koder audio i dekoder powiększania szerokości pasma

Country Status (16)

Country Link
US (13) US8401862B2 (pl)
EP (12) EP4231295B1 (pl)
JP (3) JP2012512437A (pl)
KR (2) KR101369267B1 (pl)
CN (1) CN102246231B (pl)
AU (1) AU2009328247B9 (pl)
BR (2) BRPI0917762B1 (pl)
CA (5) CA2908576C (pl)
DK (1) DK3364414T3 (pl)
ES (12) ES2976382T3 (pl)
HU (9) HUE064773T2 (pl)
MX (1) MX2011006163A (pl)
PL (12) PL4231294T3 (pl)
PT (3) PT3364414T (pl)
TR (1) TR201808500T4 (pl)
WO (1) WO2010069885A1 (pl)

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