MY152252A - Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme - Google Patents

Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

Info

Publication number
MY152252A
MY152252A MYPI20110039A MY152252A MY 152252 A MY152252 A MY 152252A MY PI20110039 A MYPI20110039 A MY PI20110039A MY 152252 A MY152252 A MY 152252A
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MY
Malaysia
Prior art keywords
block
sub
audio signal
processed
domain
Prior art date
Application number
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English (en)
Inventor
Fuchs Guillaume
Jérémie Lecomte
Jeremie 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 MY152252A publication Critical patent/MY152252A/en

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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)
MYPI20110039 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme MY152252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 2008-07-11

Publications (1)

Publication Number Publication Date
MY152252A true MY152252A (en) 2014-09-15

Family

ID=41058650

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20110039 MY152252A (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

Country Status (18)

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

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Also Published As

Publication number Publication date
KR101250309B1 (ko) 2013-04-04
CN102089812B (zh) 2013-03-20
WO2010003532A1 (en) 2010-01-14
PL2301020T3 (pl) 2013-06-28
KR20110040823A (ko) 2011-04-20
RU2492530C2 (ru) 2013-09-10
TW201011737A (en) 2010-03-16
MX2011000373A (es) 2011-03-15
CN102089812A (zh) 2011-06-08
CA2730355C (en) 2016-03-22
AR072479A1 (es) 2010-09-01
RU2011102426A (ru) 2012-07-27
BRPI0910783A2 (pt) 2020-11-03
CO6341672A2 (es) 2011-11-21
US8862480B2 (en) 2014-10-14
JP2011527446A (ja) 2011-10-27
AU2009267518A1 (en) 2010-01-14
CA2730355A1 (en) 2010-01-14
AU2009267518B2 (en) 2012-08-16
ES2401487T3 (es) 2013-04-22
ZA201009259B (en) 2011-09-28
JP5551693B2 (ja) 2014-07-16
TWI426503B (zh) 2014-02-11
HK1155842A1 (en) 2012-05-25
EP2301020A1 (en) 2011-03-30
US20110173009A1 (en) 2011-07-14
EP2301020B1 (en) 2013-01-02
BRPI0910783B1 (pt) 2024-02-27

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