ATE382180T1 - Audio-transkodierung - Google Patents

Audio-transkodierung

Info

Publication number
ATE382180T1
ATE382180T1 AT04707005T AT04707005T ATE382180T1 AT E382180 T1 ATE382180 T1 AT E382180T1 AT 04707005 T AT04707005 T AT 04707005T AT 04707005 T AT04707005 T AT 04707005T AT E382180 T1 ATE382180 T1 AT E382180T1
Authority
AT
Austria
Prior art keywords
quantized
scaled
scaled values
scale factors
scale
Prior art date
Application number
AT04707005T
Other languages
English (en)
Inventor
Brian Lennon
Michael Truman
Robert Andersen
Original Assignee
Dolby Lab Licensing Corp
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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE382180T1 publication Critical patent/ATE382180T1/de

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)
AT04707005T 2003-02-06 2004-01-30 Audio-transkodierung ATE382180T1 (de)

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
ATE382180T1 true ATE382180T1 (de) 2008-01-15

Family

ID=32871965

Family Applications (2)

Application Number Title Priority Date Filing Date
AT07015219T ATE448540T1 (de) 2003-02-06 2004-01-30 Audiosignalverarbeitung
AT04707005T ATE382180T1 (de) 2003-02-06 2004-01-30 Audio-transkodierung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT07015219T ATE448540T1 (de) 2003-02-06 2004-01-30 Audiosignalverarbeitung

Country Status (20)

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

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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 (de) 2007-12-26
EP1852852A1 (de) 2007-11-07
TWI350107B (en) 2011-10-01
KR20050097990A (ko) 2005-10-10
PL378175A1 (pl) 2006-03-06
EP2136361B1 (de) 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 (de) 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 (de) 2009-11-11
EP1590801A2 (de) 2005-11-02
CA2512866A1 (en) 2004-08-26
CN101661750A (zh) 2010-03-03
HK1080596B (en) 2008-05-09

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