PL2165328T3 - Kodowanie i dekodowanie sygnału audio zawierającego część impulsową i część stacjonarną - Google Patents

Kodowanie i dekodowanie sygnału audio zawierającego część impulsową i część stacjonarną

Info

Publication number
PL2165328T3
PL2165328T3 PL08759046T PL08759046T PL2165328T3 PL 2165328 T3 PL2165328 T3 PL 2165328T3 PL 08759046 T PL08759046 T PL 08759046T PL 08759046 T PL08759046 T PL 08759046T PL 2165328 T3 PL2165328 T3 PL 2165328T3
Authority
PL
Poland
Prior art keywords
impulse
decoding
encoding
audio signal
stationary
Prior art date
Application number
PL08759046T
Other languages
English (en)
Inventor
Jürgen HERRE
Ralf Geiger
Stefan Bayer
Guillaume Fuchs
Ulrich Krämer
Nikolaus Rettelbach
Bernhard Grill
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 PL2165328T3 publication Critical patent/PL2165328T3/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
    • G10L19/16—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
    • 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
    • G10L19/04—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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PL08759046T 2007-06-11 2008-06-05 Kodowanie i dekodowanie sygnału audio zawierającego część impulsową i część stacjonarną PL2165328T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US94325307P 2007-06-11 2007-06-11
US94350507P 2007-06-12 2007-06-12
PCT/EP2008/004496 WO2008151755A1 (en) 2007-06-11 2008-06-05 Audio encoder for encoding an audio signal having an impulse- like portion and stationary portion, encoding methods, decoder, decoding method; and encoded audio signal
EP08759046.9A EP2165328B1 (en) 2007-06-11 2008-06-05 Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion

Publications (1)

Publication Number Publication Date
PL2165328T3 true PL2165328T3 (pl) 2018-06-29

Family

ID=39709533

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08759046T PL2165328T3 (pl) 2007-06-11 2008-06-05 Kodowanie i dekodowanie sygnału audio zawierającego część impulsową i część stacjonarną

Country Status (17)

Country Link
US (1) US8706480B2 (pl)
EP (1) EP2165328B1 (pl)
JP (1) JP5686369B2 (pl)
KR (1) KR101196506B1 (pl)
CN (1) CN101743586B (pl)
AR (1) AR066959A1 (pl)
AU (1) AU2008261287B2 (pl)
BR (1) BRPI0811384A2 (pl)
CA (1) CA2691993C (pl)
ES (1) ES2663269T3 (pl)
MX (1) MX2009013519A (pl)
MY (1) MY146431A (pl)
PL (1) PL2165328T3 (pl)
PT (1) PT2165328T (pl)
RU (1) RU2439721C2 (pl)
TW (1) TWI371744B (pl)
WO (1) WO2008151755A1 (pl)

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Also Published As

Publication number Publication date
EP2165328A1 (en) 2010-03-24
AR066959A1 (es) 2009-09-23
WO2008151755A1 (en) 2008-12-18
CA2691993C (en) 2015-01-27
AU2008261287B2 (en) 2010-12-16
CA2691993A1 (en) 2008-12-18
MY146431A (en) 2012-08-15
RU2439721C2 (ru) 2012-01-10
TWI371744B (en) 2012-09-01
CN101743586A (zh) 2010-06-16
JP5686369B2 (ja) 2015-03-18
US8706480B2 (en) 2014-04-22
KR20100024414A (ko) 2010-03-05
KR101196506B1 (ko) 2012-11-01
RU2009143665A (ru) 2011-07-27
US20100262420A1 (en) 2010-10-14
AU2008261287A1 (en) 2008-12-18
PT2165328T (pt) 2018-04-24
EP2165328B1 (en) 2018-01-17
ES2663269T3 (es) 2018-04-11
TW200912896A (en) 2009-03-16
CN101743586B (zh) 2012-10-17
BRPI0811384A2 (pt) 2017-08-01
MX2009013519A (es) 2010-01-18
JP2010530079A (ja) 2010-09-02

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