NO20076259L - Frekvenssegmentering for å oppnå bånd for effektiv koding av digitale media - Google Patents

Frekvenssegmentering for å oppnå bånd for effektiv koding av digitale media

Info

Publication number
NO20076259L
NO20076259L NO20076259A NO20076259A NO20076259L NO 20076259 L NO20076259 L NO 20076259L NO 20076259 A NO20076259 A NO 20076259A NO 20076259 A NO20076259 A NO 20076259A NO 20076259 L NO20076259 L NO 20076259L
Authority
NO
Norway
Prior art keywords
digital media
efficient coding
frequency segmentation
obtain bands
bands
Prior art date
Application number
NO20076259A
Other languages
English (en)
Inventor
Wei-Ge Chen
Sanjeev Mehrotra
Original Assignee
Microsoft Technology Licensing Llc
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 Microsoft Technology Licensing Llc filed Critical Microsoft Technology Licensing Llc
Publication of NO20076259L publication Critical patent/NO20076259L/no

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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NO20076259A 2005-07-15 2007-12-05 Frekvenssegmentering for å oppnå bånd for effektiv koding av digitale media NO20076259L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/183,087 US7630882B2 (en) 2005-07-15 2005-07-15 Frequency segmentation to obtain bands for efficient coding of digital media
PCT/US2006/027420 WO2007011749A2 (en) 2005-07-15 2006-07-14 Frequency segmentation to obtain bands for efficient coding of digital media

Publications (1)

Publication Number Publication Date
NO20076259L true NO20076259L (no) 2008-02-11

Family

ID=37662734

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20076259A NO20076259L (no) 2005-07-15 2007-12-05 Frekvenssegmentering for å oppnå bånd for effektiv koding av digitale media

Country Status (14)

Country Link
US (1) US7630882B2 (no)
EP (1) EP1904999B1 (no)
JP (2) JP5313669B2 (no)
KR (1) KR101343267B1 (no)
CN (1) CN101223570B (no)
AU (1) AU2006270171B2 (no)
CA (2) CA2895916C (no)
EG (1) EG26092A (no)
IL (1) IL187883A (no)
MX (1) MX2008000523A (no)
NO (1) NO20076259L (no)
NZ (1) NZ564311A (no)
WO (1) WO2007011749A2 (no)
ZA (1) ZA200711042B (no)

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JP5313669B2 (ja) 2013-10-09
AU2006270171A1 (en) 2007-01-25
CN101223570A (zh) 2008-07-16
CN101223570B (zh) 2012-09-05
EP1904999A4 (en) 2011-10-12
KR101343267B1 (ko) 2013-12-18
JP2013178546A (ja) 2013-09-09
AU2006270171B2 (en) 2011-03-03
CA2610595C (en) 2015-10-06
CA2610595A1 (en) 2007-01-25
IL187883A (en) 2012-01-31
CA2895916C (en) 2016-12-13
JP5658307B2 (ja) 2015-01-21
US20070016412A1 (en) 2007-01-18
ZA200711042B (en) 2009-03-25
KR20080025403A (ko) 2008-03-20
EP1904999A2 (en) 2008-04-02
JP2009501945A (ja) 2009-01-22
IL187883A0 (en) 2008-03-20
CA2895916A1 (en) 2007-01-25
US7630882B2 (en) 2009-12-08
MX2008000523A (es) 2008-03-06
EG26092A (en) 2013-02-13
WO2007011749A2 (en) 2007-01-25
NZ564311A (en) 2010-02-26
WO2007011749A3 (en) 2007-06-28

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