PL4235660T3 - Dekoder audio - Google Patents

Dekoder audio

Info

Publication number
PL4235660T3
PL4235660T3 PL23178772.2T PL23178772T PL4235660T3 PL 4235660 T3 PL4235660 T3 PL 4235660T3 PL 23178772 T PL23178772 T PL 23178772T PL 4235660 T3 PL4235660 T3 PL 4235660T3
Authority
PL
Poland
Prior art keywords
audio decoder
decoder
audio
Prior art date
Application number
PL23178772.2T
Other languages
English (en)
Inventor
Nikolaus Rettelbach
Guillaume Fuchs
Stefan Geyersberger
Bernhard Grill
Jens Hirschfeld
Jürgen HERRE
Markus Multrus
Harald Popp
Gerald Schuller
Stefan Wabnik
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40941986&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL4235660(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
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 PL4235660T3 publication Critical patent/PL4235660T3/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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
PL23178772.2T 2008-07-11 2009-06-25 Dekoder audio PL4235660T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7987208P 2008-07-11 2008-07-11
US10382008P 2008-10-08 2008-10-08

Publications (1)

Publication Number Publication Date
PL4235660T3 true PL4235660T3 (pl) 2024-10-28

Family

ID=40941986

Family Applications (12)

Application Number Title Priority Date Filing Date
PL24167794.7T PL4407611T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania sygnału audio oraz program komputerowy
PL24167804.4T PL4407614T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania sygnału audio oraz program komputerowy
PL24167780.6T PL4372745T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL24167758.2T PL4372744T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania audio oraz odpowiadający program komputerowy
PL23178772.2T PL4235660T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL24167801.0T PL4407612T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania sygnału audio oraz program komputerowy
PL24167725.1T PL4407610T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL24167802.8T PL4407613T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL17175883.2T PL3246918T3 (pl) 2008-07-11 2009-06-25 Dekoder audio, sposób dekodowania sygnału audio oraz program komputerowy
PL09776839T PL2304719T3 (pl) 2008-07-11 2009-06-25 Koder audio, sposoby dostarczania strumienia audio oraz program komputerowy
PL24167799.6T PL4375998T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL09776859T PL2304720T3 (pl) 2008-07-11 2009-06-26 Moduł wypełniania szumem, kalkulator parametru wypełniania szumem, sposób dostarczania parametru wypełniania szumem, sposób dostarczania wypełnionej szumem reprezentacji widmowej sygnału audio, program komputerowy i zakodowany sygnał audio

Family Applications Before (4)

Application Number Title Priority Date Filing Date
PL24167794.7T PL4407611T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania sygnału audio oraz program komputerowy
PL24167804.4T PL4407614T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania sygnału audio oraz program komputerowy
PL24167780.6T PL4372745T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL24167758.2T PL4372744T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania audio oraz odpowiadający program komputerowy

Family Applications After (7)

Application Number Title Priority Date Filing Date
PL24167801.0T PL4407612T3 (pl) 2008-07-11 2009-06-25 Sposób dekodowania sygnału audio oraz program komputerowy
PL24167725.1T PL4407610T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL24167802.8T PL4407613T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL17175883.2T PL3246918T3 (pl) 2008-07-11 2009-06-25 Dekoder audio, sposób dekodowania sygnału audio oraz program komputerowy
PL09776839T PL2304719T3 (pl) 2008-07-11 2009-06-25 Koder audio, sposoby dostarczania strumienia audio oraz program komputerowy
PL24167799.6T PL4375998T3 (pl) 2008-07-11 2009-06-25 Dekoder audio
PL09776859T PL2304720T3 (pl) 2008-07-11 2009-06-26 Moduł wypełniania szumem, kalkulator parametru wypełniania szumem, sposób dostarczania parametru wypełniania szumem, sposób dostarczania wypełnionej szumem reprezentacji widmowej sygnału audio, program komputerowy i zakodowany sygnał audio

Country Status (21)

Country Link
US (13) US8983851B2 (pl)
EP (12) EP4375998B1 (pl)
JP (2) JP5622726B2 (pl)
KR (4) KR101518532B1 (pl)
CN (2) CN102089808B (pl)
AR (2) AR072482A1 (pl)
AT (1) ATE535903T1 (pl)
AU (2) AU2009267459B2 (pl)
BR (5) BRPI0910811B1 (pl)
CA (2) CA2730361C (pl)
CO (2) CO6341671A2 (pl)
EG (1) EG26480A (pl)
ES (14) ES2988414T3 (pl)
MX (2) MX2011000382A (pl)
MY (2) MY178597A (pl)
PL (12) PL4407611T3 (pl)
PT (1) PT2304719T (pl)
RU (2) RU2519069C2 (pl)
TW (2) TWI417871B (pl)
WO (2) WO2010003556A1 (pl)
ZA (2) ZA201100085B (pl)

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