PL378175A1 - Konwersja składowych widmowych do kodowania i transkodowania o małym stopniu złożoności - Google Patents

Konwersja składowych widmowych do kodowania i transkodowania o małym stopniu złożoności

Info

Publication number
PL378175A1
PL378175A1 PL378175A PL37817504A PL378175A1 PL 378175 A1 PL378175 A1 PL 378175A1 PL 378175 A PL378175 A PL 378175A PL 37817504 A PL37817504 A PL 37817504A PL 378175 A1 PL378175 A1 PL 378175A1
Authority
PL
Poland
Prior art keywords
quantized
scaled
scaled values
scale factors
scale
Prior art date
Application number
PL378175A
Other languages
English (en)
Inventor
Brian Timothy Lennon
Michael Mead Truman
Robert Loring Andersen
Original Assignee
Dolby Laboratories Licensing Corporation
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 Dolby Laboratories Licensing Corporation filed Critical Dolby Laboratories Licensing Corporation
Publication of PL378175A1 publication Critical patent/PL378175A1/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
    • G10L19/02—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
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
PL378175A 2003-02-06 2004-01-30 Konwersja składowych widmowych do kodowania i transkodowania o małym stopniu złożoności PL378175A1 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44593103P 2003-02-06 2003-02-06
US10/458,798 US7318027B2 (en) 2003-02-06 2003-06-09 Conversion of synthesized spectral components for encoding and low-complexity transcoding

Publications (1)

Publication Number Publication Date
PL378175A1 true PL378175A1 (pl) 2006-03-06

Family

ID=32871965

Family Applications (2)

Application Number Title Priority Date Filing Date
PL378175A PL378175A1 (pl) 2003-02-06 2004-01-30 Konwersja składowych widmowych do kodowania i transkodowania o małym stopniu złożoności
PL397127A PL397127A1 (pl) 2003-02-06 2004-01-30 Sposób przetwarzania sygnału fonii i nośnik do przetwarzania sygnału fonii

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL397127A PL397127A1 (pl) 2003-02-06 2004-01-30 Sposób przetwarzania sygnału fonii i nośnik do przetwarzania sygnału fonii

Country Status (20)

Country Link
US (1) US7318027B2 (pl)
EP (3) EP2136361B1 (pl)
JP (2) JP4673834B2 (pl)
KR (1) KR100992081B1 (pl)
CN (2) CN100589181C (pl)
AT (2) ATE448540T1 (pl)
AU (1) AU2004211163B2 (pl)
CA (2) CA2776988C (pl)
CY (1) CY1114289T1 (pl)
DE (2) DE602004010885T2 (pl)
DK (1) DK1590801T3 (pl)
ES (2) ES2297376T3 (pl)
HK (1) HK1080596B (pl)
IL (1) IL169442A (pl)
MX (1) MXPA05008318A (pl)
MY (1) MY142955A (pl)
PL (2) PL378175A1 (pl)
SG (1) SG144743A1 (pl)
TW (2) TWI350107B (pl)
WO (1) WO2004072957A2 (pl)

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Also Published As

Publication number Publication date
AU2004211163A1 (en) 2004-08-26
PL397127A1 (pl) 2012-02-13
DE602004010885D1 (de) 2008-02-07
CN1748248A (zh) 2006-03-15
HK1107607A1 (en) 2008-04-11
US20040165667A1 (en) 2004-08-26
IL169442A (en) 2009-09-22
MY142955A (en) 2011-01-31
DE602004010885T2 (de) 2008-12-11
JP2010250328A (ja) 2010-11-04
WO2004072957A2 (en) 2004-08-26
ES2421713T3 (es) 2013-09-05
AU2004211163B2 (en) 2009-04-23
SG144743A1 (en) 2008-08-28
WO2004072957A3 (en) 2005-05-12
TW201126514A (en) 2011-08-01
CN100589181C (zh) 2010-02-10
MXPA05008318A (es) 2005-11-04
TWI352973B (en) 2011-11-21
CN101661750B (zh) 2014-07-16
JP4673834B2 (ja) 2011-04-20
EP1590801B1 (en) 2007-12-26
EP1852852A1 (en) 2007-11-07
ATE382180T1 (de) 2008-01-15
TWI350107B (en) 2011-10-01
KR20050097990A (ko) 2005-10-10
EP2136361B1 (en) 2013-05-22
US7318027B2 (en) 2008-01-08
CA2776988C (en) 2015-09-29
KR100992081B1 (ko) 2010-11-04
CY1114289T1 (el) 2016-08-31
DK1590801T3 (da) 2008-05-05
TW200415922A (en) 2004-08-16
ES2297376T3 (es) 2008-05-01
CA2512866C (en) 2012-07-31
ATE448540T1 (de) 2009-11-15
HK1080596A1 (en) 2006-04-28
EP2136361A1 (en) 2009-12-23
JP4880053B2 (ja) 2012-02-22
CA2776988A1 (en) 2004-08-26
IL169442A0 (en) 2007-07-04
JP2006518873A (ja) 2006-08-17
DE602004024139D1 (de) 2009-12-24
EP1852852B1 (en) 2009-11-11
EP1590801A2 (en) 2005-11-02
CA2512866A1 (en) 2004-08-26
CN101661750A (zh) 2010-03-03
HK1080596B (en) 2008-05-09

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