PL2301019T3 - Koder audio i dekoder audio - Google Patents

Koder audio i dekoder audio

Info

Publication number
PL2301019T3
PL2301019T3 PL09776624T PL09776624T PL2301019T3 PL 2301019 T3 PL2301019 T3 PL 2301019T3 PL 09776624 T PL09776624 T PL 09776624T PL 09776624 T PL09776624 T PL 09776624T PL 2301019 T3 PL2301019 T3 PL 2301019T3
Authority
PL
Poland
Prior art keywords
audio
encoder
decoder
audio decoder
audio encoder
Prior art date
Application number
PL09776624T
Other languages
English (en)
Inventor
Markus Multrus
Bernhard Grill
Guillaume Fuchs
Stefan Geyersberger
Nikolaus Rettelbach
Virgilio Bacigalupo
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 PL2301019T3 publication Critical patent/PL2301019T3/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
    • 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
    • G10L19/02—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
PL09776624T 2008-07-11 2009-05-18 Koder audio i dekoder audio PL2301019T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US7984208P 2008-07-11 2008-07-11
US10382008P 2008-10-08 2008-10-08
EP09776624.0A EP2301019B1 (en) 2008-07-11 2009-05-18 Audio encoder and audio decoder
PCT/EP2009/003521 WO2010003479A1 (en) 2008-07-11 2009-05-18 Audio encoder and audio decoder

Publications (1)

Publication Number Publication Date
PL2301019T3 true PL2301019T3 (pl) 2018-04-30

Family

ID=40886050

Family Applications (8)

Application Number Title Priority Date Filing Date
PL19160283.8T PL3573056T3 (pl) 2008-07-11 2009-05-18 Koder audio i dekoder audio
PL24166208.9T PL4376307T3 (pl) 2008-07-11 2009-05-18 Sposób dekodowania audio
PL17190130T PL3300076T3 (pl) 2008-07-11 2009-05-18 Koder audio i dekoder audio
PL24166206.3T PL4376305T3 (pl) 2008-07-11 2009-05-18 Enkoder audio oraz dekoder audio
PL09776624T PL2301019T3 (pl) 2008-07-11 2009-05-18 Koder audio i dekoder audio
PL24166205.5T PL4369609T3 (pl) 2008-07-11 2009-05-18 Enkoder audio i dekoder audio
PL23165074.8T PL4224471T3 (pl) 2008-07-11 2009-05-18 Enkoder audio i dekoder audio
PL24166207.1T PL4376306T3 (pl) 2008-07-11 2009-05-18 Enkoder audio oraz dekoder audio

Family Applications Before (4)

Application Number Title Priority Date Filing Date
PL19160283.8T PL3573056T3 (pl) 2008-07-11 2009-05-18 Koder audio i dekoder audio
PL24166208.9T PL4376307T3 (pl) 2008-07-11 2009-05-18 Sposób dekodowania audio
PL17190130T PL3300076T3 (pl) 2008-07-11 2009-05-18 Koder audio i dekoder audio
PL24166206.3T PL4376305T3 (pl) 2008-07-11 2009-05-18 Enkoder audio oraz dekoder audio

Family Applications After (3)

Application Number Title Priority Date Filing Date
PL24166205.5T PL4369609T3 (pl) 2008-07-11 2009-05-18 Enkoder audio i dekoder audio
PL23165074.8T PL4224471T3 (pl) 2008-07-11 2009-05-18 Enkoder audio i dekoder audio
PL24166207.1T PL4376306T3 (pl) 2008-07-11 2009-05-18 Enkoder audio oraz dekoder audio

Country Status (21)

Country Link
US (10) US8930202B2 (pl)
EP (10) EP3573056B1 (pl)
JP (1) JP5606433B2 (pl)
KR (1) KR101456641B1 (pl)
CN (1) CN102089813B (pl)
AR (1) AR072422A1 (pl)
AU (1) AU2009267543B2 (pl)
BR (4) BR122021007875B1 (pl)
CA (1) CA2729925C (pl)
CO (1) CO6351831A2 (pl)
DK (1) DK3573056T3 (pl)
ES (8) ES3002157T3 (pl)
FI (1) FI3573056T3 (pl)
MX (1) MX2011000379A (pl)
MY (1) MY160260A (pl)
PL (8) PL3573056T3 (pl)
PT (3) PT2301019T (pl)
RU (1) RU2487427C2 (pl)
TW (1) TWI449033B (pl)
WO (1) WO2010003479A1 (pl)
ZA (1) ZA201009258B (pl)

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