HK1138674A1 - 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
HK1138674A1
HK1138674A1 HK10103980.4A HK10103980A HK1138674A1 HK 1138674 A1 HK1138674 A1 HK 1138674A1 HK 10103980 A HK10103980 A HK 10103980A HK 1138674 A1 HK1138674 A1 HK 1138674A1
Authority
HK
Hong Kong
Prior art keywords
input
filterbank
frame
windowed
decoder
Prior art date
Application number
HK10103980.4A
Other languages
English (en)
Inventor
Bernhard Grill
Markus Schnell
Ralf Geiger
Gerald 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
Publication of HK1138674A1 publication Critical patent/HK1138674A1/xx

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
    • G10L19/02—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
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/135—Vector sum excited linear prediction [VSELP]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Complex Calculations (AREA)
  • Image Processing (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
HK10103980.4A 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system HK1138674A1 (en)

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
HK09107887.2A HK1128058A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Publications (1)

Publication Number Publication Date
HK1138674A1 true HK1138674A1 (en) 2010-08-27

Family

ID=38904615

Family Applications (4)

Application Number Title Priority Date Filing Date
HK12103784.0A HK1163332A1 (zh) 2006-10-18 2009-08-27 分解濾波器組、合成濾波器組、編碼器、解碼器、混合器及會議系統
HK10104281.8A HK1138423A1 (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
HK10103980.4A HK1138674A1 (en) 2006-10-18 2009-08-27 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system

Family Applications Before (3)

Application Number Title Priority Date Filing Date
HK12103784.0A HK1163332A1 (zh) 2006-10-18 2009-08-27 分解濾波器組、合成濾波器組、編碼器、解碼器、混合器及會議系統
HK10104281.8A HK1138423A1 (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

Country Status (22)

Country Link
US (6) US8036903B2 (zh)
EP (5) EP2884490B1 (zh)
JP (5) JP5546863B2 (zh)
KR (3) KR101162455B1 (zh)
CN (4) CN102243875B (zh)
AT (3) ATE554480T1 (zh)
AU (3) AU2007312696B2 (zh)
BR (2) BRPI0716004B1 (zh)
CA (3) CA2782609C (zh)
ES (5) ES2386206T3 (zh)
HK (4) HK1163332A1 (zh)
IL (4) IL197757A (zh)
MX (1) MX2009004046A (zh)
MY (4) MY155486A (zh)
NO (5) NO342445B1 (zh)
PL (5) PL2074615T3 (zh)
PT (1) PT2884490T (zh)
RU (1) RU2426178C2 (zh)
SG (2) SG174835A1 (zh)
TW (1) TWI355647B (zh)
WO (1) WO2008046468A2 (zh)
ZA (1) ZA200901650B (zh)

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JP2010507111A (ja) 2010-03-04
ES2386206T3 (es) 2012-08-13
CN102243875A (zh) 2011-11-16
NO342515B1 (no) 2018-06-04
IL197757A0 (en) 2009-12-24
NO20170985A1 (no) 2009-05-14
USRE45276E1 (en) 2014-12-02
EP2884490B1 (en) 2016-06-29
MY164995A (en) 2018-02-28
HK1163332A1 (zh) 2012-09-07
CN102243874A (zh) 2011-11-16
CN102243873A (zh) 2011-11-16
IL226223A0 (en) 2013-06-27
EP2113910A1 (en) 2009-11-04
BRPI0716004A8 (pt) 2019-10-08
TWI355647B (en) 2012-01-01
NO20091900L (no) 2009-05-14
EP2074615B1 (en) 2012-04-18
HK1128058A1 (en) 2009-10-16
NO342516B1 (no) 2018-06-04
EP2113911A2 (en) 2009-11-04
ES2374014T3 (es) 2012-02-13
IL226223A (en) 2016-02-29
AU2007312696A8 (en) 2009-05-14
EP2884490A1 (en) 2015-06-17
NO342445B1 (no) 2018-05-22
USRE45339E1 (en) 2015-01-13
EP2113911A3 (en) 2009-11-18
ES2380177T3 (es) 2012-05-09
IL197757A (en) 2014-09-30
KR101162462B1 (ko) 2012-07-04
ATE539432T1 (de) 2012-01-15
JP5546863B2 (ja) 2014-07-09
PL2074615T3 (pl) 2012-10-31
PL2113910T3 (pl) 2012-02-29
CA2782609C (en) 2016-10-04
KR101162455B1 (ko) 2012-07-04
US20080097764A1 (en) 2008-04-24
IL226224A0 (en) 2013-06-27
CA2667059A1 (en) 2008-04-24
CN102243874B (zh) 2013-04-24
US8036903B2 (en) 2011-10-11
IL226225A0 (en) 2013-06-27
SG174835A1 (en) 2011-10-28
CN101529502B (zh) 2012-07-25
PL2113911T3 (pl) 2012-06-29
SG174836A1 (en) 2011-10-28
KR20090076924A (ko) 2009-07-13
MY155487A (en) 2015-10-30
IL226225A (en) 2016-02-29
AU2007312696B2 (en) 2011-04-21
JP5859504B2 (ja) 2016-02-10
BR122019020171B1 (pt) 2021-05-25
CN102243875B (zh) 2013-04-03
ES2592253T3 (es) 2016-11-29
JP5520994B2 (ja) 2014-06-11
EP2074615A2 (en) 2009-07-01
AU2011201330A1 (en) 2011-04-14
AU2011201331B2 (en) 2012-02-09
MX2009004046A (es) 2009-04-27
HK1138423A1 (en) 2010-08-20
USRE45294E1 (en) 2014-12-16
MY153289A (en) 2015-01-29
KR101209410B1 (ko) 2012-12-10
EP2113910B1 (en) 2011-09-21
JP2013228740A (ja) 2013-11-07
ZA200901650B (en) 2010-03-31
EP2378516A1 (en) 2011-10-19
JP2013210656A (ja) 2013-10-10
NO342514B1 (no) 2018-06-04
NO20170988A1 (no) 2009-05-14
ES2531568T3 (es) 2015-03-17
USRE45526E1 (en) 2015-05-19
ATE554480T1 (de) 2012-05-15
PL2378516T3 (pl) 2015-06-30
CA2782609A1 (en) 2008-04-24
BRPI0716004A2 (pt) 2013-07-30
JP5700714B2 (ja) 2015-04-15
PT2884490T (pt) 2016-10-13
RU2426178C2 (ru) 2011-08-10
JP2014059570A (ja) 2014-04-03
RU2009109129A (ru) 2010-11-27
TW200832357A (en) 2008-08-01
JP2012150507A (ja) 2012-08-09
EP2113911B1 (en) 2011-12-28
NO20170986A1 (no) 2009-05-14
WO2008046468A3 (en) 2008-06-26
MY155486A (en) 2015-10-30
EP2378516B1 (en) 2015-01-07
PL2884490T3 (pl) 2016-12-30
KR20110049885A (ko) 2011-05-12
USRE45277E1 (en) 2014-12-02
AU2007312696A1 (en) 2008-04-24
CA2782476C (en) 2016-02-23
NO342476B1 (no) 2018-05-28
NO20170982A1 (no) 2009-05-14
CA2782476A1 (en) 2008-04-24
CA2667059C (en) 2014-10-21
JP5700713B2 (ja) 2015-04-15
WO2008046468A2 (en) 2008-04-24
AU2011201331A1 (en) 2011-04-14
CN101529502A (zh) 2009-09-09
KR20110049886A (ko) 2011-05-12
AU2011201330B2 (en) 2011-08-25
BRPI0716004B1 (pt) 2020-11-17
CN102243873B (zh) 2013-04-24
ATE525720T1 (de) 2011-10-15
IL226224A (en) 2016-02-29

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