ZA201009259B - 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
ZA201009259B
ZA201009259B ZA2010/09259A ZA201009259A ZA201009259B ZA 201009259 B ZA201009259 B ZA 201009259B ZA 2010/09259 A ZA2010/09259 A ZA 2010/09259A ZA 201009259 A ZA201009259 A ZA 201009259A ZA 201009259 B ZA201009259 B ZA 201009259B
Authority
ZA
South Africa
Prior art keywords
decoding
encoding
audio signal
switch scheme
aliasing
Prior art date
Application number
ZA2010/09259A
Other languages
English (en)
Inventor
Guillaume Fuchs
Jeremie Lecomte
Stefan Bayer
Ralf Geiger
Markus Multrus
Gerald Schuller
Jens Hirschfeld
Original Assignee
Fraunhofer-Gesellschaft Zur Forderung 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 Forderung Der Angewandten Forschung E V filed Critical Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V
Publication of ZA201009259B publication Critical patent/ZA201009259B/en

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
    • 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)
ZA2010/09259A 2008-07-11 2010-12-23 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme ZA201009259B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7985208P 2008-07-11 2008-07-11
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
ZA201009259B true ZA201009259B (en) 2011-09-28

Family

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Family Applications (1)

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ZA2010/09259A ZA201009259B (en) 2008-07-11 2010-12-23 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

Country Status (18)

Country Link
US (1) US8862480B2 (cg-RX-API-DMAC10.html)
EP (1) EP2301020B1 (cg-RX-API-DMAC10.html)
JP (1) JP5551693B2 (cg-RX-API-DMAC10.html)
KR (1) KR101250309B1 (cg-RX-API-DMAC10.html)
CN (1) CN102089812B (cg-RX-API-DMAC10.html)
AR (1) AR072479A1 (cg-RX-API-DMAC10.html)
AU (1) AU2009267518B2 (cg-RX-API-DMAC10.html)
BR (1) BRPI0910783B1 (cg-RX-API-DMAC10.html)
CA (1) CA2730355C (cg-RX-API-DMAC10.html)
CO (1) CO6341672A2 (cg-RX-API-DMAC10.html)
ES (1) ES2401487T3 (cg-RX-API-DMAC10.html)
MX (1) MX2011000373A (cg-RX-API-DMAC10.html)
MY (1) MY152252A (cg-RX-API-DMAC10.html)
PL (1) PL2301020T3 (cg-RX-API-DMAC10.html)
RU (1) RU2492530C2 (cg-RX-API-DMAC10.html)
TW (1) TWI426503B (cg-RX-API-DMAC10.html)
WO (1) WO2010003532A1 (cg-RX-API-DMAC10.html)
ZA (1) ZA201009259B (cg-RX-API-DMAC10.html)

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Also Published As

Publication number Publication date
TWI426503B (zh) 2014-02-11
JP5551693B2 (ja) 2014-07-16
JP2011527446A (ja) 2011-10-27
WO2010003532A1 (en) 2010-01-14
US8862480B2 (en) 2014-10-14
EP2301020A1 (en) 2011-03-30
PL2301020T3 (pl) 2013-06-28
EP2301020B1 (en) 2013-01-02
RU2492530C2 (ru) 2013-09-10
CA2730355A1 (en) 2010-01-14
CN102089812A (zh) 2011-06-08
BRPI0910783B1 (pt) 2024-02-27
MY152252A (en) 2014-09-15
CA2730355C (en) 2016-03-22
AU2009267518B2 (en) 2012-08-16
ES2401487T3 (es) 2013-04-22
KR20110040823A (ko) 2011-04-20
KR101250309B1 (ko) 2013-04-04
RU2011102426A (ru) 2012-07-27
AU2009267518A1 (en) 2010-01-14
CO6341672A2 (es) 2011-11-21
TW201011737A (en) 2010-03-16
MX2011000373A (es) 2011-03-15
AR072479A1 (es) 2010-09-01
BRPI0910783A2 (pt) 2020-11-03
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US20110173009A1 (en) 2011-07-14
CN102089812B (zh) 2013-03-20

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