HK1128058A1 - Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system - Google Patents

Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Info

Publication number
HK1128058A1
HK1128058A1 HK09107887.2A HK09107887A HK1128058A1 HK 1128058 A1 HK1128058 A1 HK 1128058A1 HK 09107887 A HK09107887 A HK 09107887A HK 1128058 A1 HK1128058 A1 HK 1128058A1
Authority
HK
Hong Kong
Prior art keywords
input
filterbank
frame
windowed
decoder
Prior art date
Application number
HK09107887.2A
Other languages
English (en)
Inventor
Bernhard Grill
Markus Schnell
Ralf Geiger
Gerhard Schuller
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
Priority to HK10104281.8A priority Critical patent/HK1138423A1/xx
Priority to HK10103980.4A priority patent/HK1138674A1/xx
Publication of HK1128058A1 publication Critical patent/HK1128058A1/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0212Speech 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 using orthogonal transformation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • G10L19/135Vector sum excited linear prediction [VSELP]

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Facsimile Transmission Control (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Noise Elimination (AREA)
  • Circuit For Audible Band Transducer (AREA)
HK09107887.2A 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system HK1128058A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HK10104281.8A HK1138423A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
HK10103980.4A HK1138674A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US86203206P 2006-10-18 2006-10-18
US11/744,641 US8036903B2 (en) 2006-10-18 2007-05-04 Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system
PCT/EP2007/007553 WO2008046468A2 (en) 2006-10-18 2007-08-29 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Publications (1)

Publication Number Publication Date
HK1128058A1 true HK1128058A1 (en) 2009-10-16

Family

ID=38904615

Family Applications (4)

Application Number Title Priority Date Filing Date
HK10103980.4A HK1138674A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
HK09107887.2A HK1128058A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
HK10104281.8A HK1138423A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
HK12103784.0A HK1163332A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK10103980.4A HK1138674A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Family Applications After (2)

Application Number Title Priority Date Filing Date
HK10104281.8A HK1138423A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
HK12103784.0A HK1163332A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Country Status (22)

Country Link
US (6) US8036903B2 (xx)
EP (5) EP2884490B1 (xx)
JP (5) JP5546863B2 (xx)
KR (3) KR101209410B1 (xx)
CN (4) CN102243873B (xx)
AT (3) ATE525720T1 (xx)
AU (3) AU2007312696B2 (xx)
BR (2) BR122019020171B1 (xx)
CA (3) CA2782609C (xx)
ES (5) ES2386206T3 (xx)
HK (4) HK1138674A1 (xx)
IL (4) IL197757A (xx)
MX (1) MX2009004046A (xx)
MY (4) MY155486A (xx)
NO (5) NO342445B1 (xx)
PL (5) PL2113910T3 (xx)
PT (1) PT2884490T (xx)
RU (1) RU2426178C2 (xx)
SG (2) SG174836A1 (xx)
TW (1) TWI355647B (xx)
WO (1) WO2008046468A2 (xx)
ZA (1) ZA200901650B (xx)

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Also Published As

Publication number Publication date
WO2008046468A2 (en) 2008-04-24
USRE45294E1 (en) 2014-12-16
ATE554480T1 (de) 2012-05-15
USRE45277E1 (en) 2014-12-02
KR101162455B1 (ko) 2012-07-04
EP2884490A1 (en) 2015-06-17
IL197757A0 (en) 2009-12-24
TW200832357A (en) 2008-08-01
KR101209410B1 (ko) 2012-12-10
IL226224A0 (en) 2013-06-27
SG174836A1 (en) 2011-10-28
KR20110049886A (ko) 2011-05-12
IL226223A0 (en) 2013-06-27
JP2013210656A (ja) 2013-10-10
IL226225A (en) 2016-02-29
NO342476B1 (no) 2018-05-28
MY155486A (en) 2015-10-30
CA2782609A1 (en) 2008-04-24
ZA200901650B (en) 2010-03-31
CN102243874B (zh) 2013-04-24
MY155487A (en) 2015-10-30
NO20091900L (no) 2009-05-14
RU2009109129A (ru) 2010-11-27
PT2884490T (pt) 2016-10-13
HK1138674A1 (en) 2010-08-27
PL2378516T3 (pl) 2015-06-30
IL226223A (en) 2016-02-29
JP5859504B2 (ja) 2016-02-10
ES2531568T3 (es) 2015-03-17
EP2378516B1 (en) 2015-01-07
ES2386206T3 (es) 2012-08-13
BRPI0716004A8 (pt) 2019-10-08
CA2782609C (en) 2016-10-04
AU2011201330A1 (en) 2011-04-14
AU2011201331B2 (en) 2012-02-09
WO2008046468A3 (en) 2008-06-26
CN102243873B (zh) 2013-04-24
MX2009004046A (es) 2009-04-27
EP2113911B1 (en) 2011-12-28
EP2378516A1 (en) 2011-10-19
PL2113910T3 (pl) 2012-02-29
TWI355647B (en) 2012-01-01
EP2074615B1 (en) 2012-04-18
EP2113910B1 (en) 2011-09-21
JP2012150507A (ja) 2012-08-09
USRE45526E1 (en) 2015-05-19
CN101529502A (zh) 2009-09-09
EP2884490B1 (en) 2016-06-29
CA2667059A1 (en) 2008-04-24
EP2113910A1 (en) 2009-11-04
BRPI0716004B1 (pt) 2020-11-17
CN102243874A (zh) 2011-11-16
HK1138423A1 (en) 2010-08-20
NO20170988A1 (no) 2009-05-14
MY164995A (en) 2018-02-28
JP2014059570A (ja) 2014-04-03
JP5700713B2 (ja) 2015-04-15
AU2011201330B2 (en) 2011-08-25
CN102243875A (zh) 2011-11-16
NO342515B1 (no) 2018-06-04
KR101162462B1 (ko) 2012-07-04
AU2007312696A8 (en) 2009-05-14
USRE45339E1 (en) 2015-01-13
IL226224A (en) 2016-02-29
NO20170982A1 (no) 2009-05-14
JP5520994B2 (ja) 2014-06-11
PL2113911T3 (pl) 2012-06-29
PL2884490T3 (pl) 2016-12-30
NO20170986A1 (no) 2009-05-14
CN101529502B (zh) 2012-07-25
KR20090076924A (ko) 2009-07-13
ES2380177T3 (es) 2012-05-09
EP2074615A2 (en) 2009-07-01
JP2013228740A (ja) 2013-11-07
IL197757A (en) 2014-09-30
CA2782476C (en) 2016-02-23
BRPI0716004A2 (pt) 2013-07-30
EP2113911A2 (en) 2009-11-04
SG174835A1 (en) 2011-10-28
AU2007312696B2 (en) 2011-04-21
ATE539432T1 (de) 2012-01-15
HK1163332A1 (en) 2012-09-07
ATE525720T1 (de) 2011-10-15
NO342514B1 (no) 2018-06-04
JP2010507111A (ja) 2010-03-04
RU2426178C2 (ru) 2011-08-10
BR122019020171B1 (pt) 2021-05-25
AU2011201331A1 (en) 2011-04-14
CA2782476A1 (en) 2008-04-24
PL2074615T3 (pl) 2012-10-31
CA2667059C (en) 2014-10-21
US20080097764A1 (en) 2008-04-24
JP5546863B2 (ja) 2014-07-09
ES2374014T3 (es) 2012-02-13
US8036903B2 (en) 2011-10-11
CN102243873A (zh) 2011-11-16
ES2592253T3 (es) 2016-11-29
JP5700714B2 (ja) 2015-04-15
NO20170985A1 (no) 2009-05-14
NO342516B1 (no) 2018-06-04
EP2113911A3 (en) 2009-11-18
NO342445B1 (no) 2018-05-22
AU2007312696A1 (en) 2008-04-24
USRE45276E1 (en) 2014-12-02
MY153289A (en) 2015-01-29
IL226225A0 (en) 2013-06-27
KR20110049885A (ko) 2011-05-12
CN102243875B (zh) 2013-04-03

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