PL2301020T3 - Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu - Google Patents

Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu

Info

Publication number
PL2301020T3
PL2301020T3 PL09776763T PL09776763T PL2301020T3 PL 2301020 T3 PL2301020 T3 PL 2301020T3 PL 09776763 T PL09776763 T PL 09776763T PL 09776763 T PL09776763 T PL 09776763T PL 2301020 T3 PL2301020 T3 PL 2301020T3
Authority
PL
Poland
Prior art keywords
decoding
encoding
audio signal
switch scheme
aliasing
Prior art date
Application number
PL09776763T
Other languages
English (en)
Inventor
Guillaume Fuchs
Jérémie Lecomte
Stefan Bayer
Ralf Geiger
Markus Multrus
Gerald Schuller
Jens Hirschfeld
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 PL2301020T3 publication Critical patent/PL2301020T3/pl

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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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • 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
    • G10L19/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL09776763T 2008-07-11 2009-06-17 Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu PL2301020T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 2008-07-11
EP09776763A EP2301020B1 (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
PCT/EP2009/004374 WO2010003532A1 (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

Publications (1)

Publication Number Publication Date
PL2301020T3 true PL2301020T3 (pl) 2013-06-28

Family

ID=41058650

Family Applications (1)

Application Number Title Priority Date Filing Date
PL09776763T PL2301020T3 (pl) 2008-07-11 2009-06-17 Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu

Country Status (19)

Country Link
US (1) US8862480B2 (pl)
EP (1) EP2301020B1 (pl)
JP (1) JP5551693B2 (pl)
KR (1) KR101250309B1 (pl)
CN (1) CN102089812B (pl)
AR (1) AR072479A1 (pl)
AU (1) AU2009267518B2 (pl)
BR (1) BRPI0910783B1 (pl)
CA (1) CA2730355C (pl)
CO (1) CO6341672A2 (pl)
ES (1) ES2401487T3 (pl)
HK (1) HK1155842A1 (pl)
MX (1) MX2011000373A (pl)
MY (1) MY152252A (pl)
PL (1) PL2301020T3 (pl)
RU (1) RU2492530C2 (pl)
TW (1) TWI426503B (pl)
WO (1) WO2010003532A1 (pl)
ZA (1) ZA201009259B (pl)

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Also Published As

Publication number Publication date
US8862480B2 (en) 2014-10-14
MX2011000373A (es) 2011-03-15
EP2301020B1 (en) 2013-01-02
CA2730355C (en) 2016-03-22
AR072479A1 (es) 2010-09-01
AU2009267518B2 (en) 2012-08-16
ES2401487T3 (es) 2013-04-22
RU2492530C2 (ru) 2013-09-10
KR101250309B1 (ko) 2013-04-04
JP2011527446A (ja) 2011-10-27
BRPI0910783B1 (pt) 2024-02-27
RU2011102426A (ru) 2012-07-27
AU2009267518A1 (en) 2010-01-14
JP5551693B2 (ja) 2014-07-16
TWI426503B (zh) 2014-02-11
TW201011737A (en) 2010-03-16
ZA201009259B (en) 2011-09-28
CN102089812B (zh) 2013-03-20
CA2730355A1 (en) 2010-01-14
BRPI0910783A2 (pt) 2020-11-03
US20110173009A1 (en) 2011-07-14
EP2301020A1 (en) 2011-03-30
HK1155842A1 (en) 2012-05-25
MY152252A (en) 2014-09-15
KR20110040823A (ko) 2011-04-20
WO2010003532A1 (en) 2010-01-14
CO6341672A2 (es) 2011-11-21
CN102089812A (zh) 2011-06-08

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