SG144743A1 - Conversion of synthesized spectral components for encoding and low- complexity transcoding - Google Patents

Conversion of synthesized spectral components for encoding and low- complexity transcoding

Info

Publication number
SG144743A1
SG144743A1 SG200604994-4A SG2006049944A SG144743A1 SG 144743 A1 SG144743 A1 SG 144743A1 SG 2006049944 A SG2006049944 A SG 2006049944A SG 144743 A1 SG144743 A1 SG 144743A1
Authority
SG
Singapore
Prior art keywords
control parameters
encoding
components
spectral components
conversion
Prior art date
Application number
SG200604994-4A
Other languages
English (en)
Inventor
Brian Timothy Lennon
Michael Mead Truman
Robert Loring 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
Publication of SG144743A1 publication Critical patent/SG144743A1/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
    • G10L19/02—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)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stereophonic System (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SG200604994-4A 2003-02-06 2004-01-30 Conversion of synthesized spectral components for encoding and low- complexity transcoding SG144743A1 (en)

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
SG144743A1 true SG144743A1 (en) 2008-08-28

Family

ID=32871965

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200604994-4A SG144743A1 (en) 2003-02-06 2004-01-30 Conversion of synthesized spectral components for encoding and low- complexity transcoding

Country Status (20)

Country Link
US (1) US7318027B2 (ko)
EP (3) EP1852852B1 (ko)
JP (2) JP4673834B2 (ko)
KR (1) KR100992081B1 (ko)
CN (2) CN100589181C (ko)
AT (2) ATE448540T1 (ko)
AU (1) AU2004211163B2 (ko)
CA (2) CA2776988C (ko)
CY (1) CY1114289T1 (ko)
DE (2) DE602004010885T2 (ko)
DK (1) DK1590801T3 (ko)
ES (2) ES2421713T3 (ko)
HK (2) HK1080596B (ko)
IL (1) IL169442A (ko)
MX (1) MXPA05008318A (ko)
MY (1) MY142955A (ko)
PL (2) PL397127A1 (ko)
SG (1) SG144743A1 (ko)
TW (2) TWI350107B (ko)
WO (1) WO2004072957A2 (ko)

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US11735192B2 (en) 2013-07-22 2023-08-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

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Publication number Priority date Publication date Assignee Title
US11735192B2 (en) 2013-07-22 2023-08-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
US11769512B2 (en) 2013-07-22 2023-09-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
US11769513B2 (en) 2013-07-22 2023-09-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band
US11922956B2 (en) 2013-07-22 2024-03-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
US11996106B2 (en) 2013-07-22 2024-05-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

Also Published As

Publication number Publication date
MY142955A (en) 2011-01-31
DE602004010885T2 (de) 2008-12-11
CN100589181C (zh) 2010-02-10
PL378175A1 (pl) 2006-03-06
TWI350107B (en) 2011-10-01
IL169442A0 (en) 2007-07-04
ES2297376T3 (es) 2008-05-01
KR100992081B1 (ko) 2010-11-04
CN101661750B (zh) 2014-07-16
DE602004024139D1 (de) 2009-12-24
DE602004010885D1 (de) 2008-02-07
JP4673834B2 (ja) 2011-04-20
CA2512866A1 (en) 2004-08-26
TWI352973B (en) 2011-11-21
JP4880053B2 (ja) 2012-02-22
CY1114289T1 (el) 2016-08-31
EP1590801B1 (en) 2007-12-26
DK1590801T3 (da) 2008-05-05
EP1590801A2 (en) 2005-11-02
EP1852852A1 (en) 2007-11-07
CN1748248A (zh) 2006-03-15
TW201126514A (en) 2011-08-01
MXPA05008318A (es) 2005-11-04
AU2004211163B2 (en) 2009-04-23
AU2004211163A1 (en) 2004-08-26
JP2006518873A (ja) 2006-08-17
IL169442A (en) 2009-09-22
CA2776988A1 (en) 2004-08-26
PL397127A1 (pl) 2012-02-13
HK1080596B (zh) 2008-05-09
ATE448540T1 (de) 2009-11-15
HK1080596A1 (en) 2006-04-28
HK1107607A1 (en) 2008-04-11
WO2004072957A3 (en) 2005-05-12
ES2421713T3 (es) 2013-09-05
CA2776988C (en) 2015-09-29
US20040165667A1 (en) 2004-08-26
US7318027B2 (en) 2008-01-08
EP2136361A1 (en) 2009-12-23
ATE382180T1 (de) 2008-01-15
CN101661750A (zh) 2010-03-03
KR20050097990A (ko) 2005-10-10
JP2010250328A (ja) 2010-11-04
EP1852852B1 (en) 2009-11-11
WO2004072957A2 (en) 2004-08-26
EP2136361B1 (en) 2013-05-22
TW200415922A (en) 2004-08-16
CA2512866C (en) 2012-07-31

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