GB0823164D0 - An apparatus - Google Patents

An apparatus

Info

Publication number
GB0823164D0
GB0823164D0 GB0823164A GB0823164A GB0823164D0 GB 0823164 D0 GB0823164 D0 GB 0823164D0 GB 0823164 A GB0823164 A GB 0823164A GB 0823164 A GB0823164 A GB 0823164A GB 0823164 D0 GB0823164 D0 GB 0823164D0
Authority
GB
United Kingdom
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB0823164A
Other versions
GB2466286A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Priority to GB0823164A priority Critical patent/GB2466286A/en
Publication of GB0823164D0 publication Critical patent/GB0823164D0/en
Priority to PCT/EP2009/066270 priority patent/WO2010069773A1/en
Publication of GB2466286A publication Critical patent/GB2466286A/en
Withdrawn legal-status Critical Current

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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • 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
    • G10L19/02—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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
GB0823164A 2008-12-18 2008-12-18 Combining frequency coefficients based on at least two mixing coefficients which are determined on statistical characteristics of the audio signal Withdrawn GB2466286A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0823164A GB2466286A (en) 2008-12-18 2008-12-18 Combining frequency coefficients based on at least two mixing coefficients which are determined on statistical characteristics of the audio signal
PCT/EP2009/066270 WO2010069773A1 (en) 2008-12-18 2009-12-02 Audio signal processing using at least two filterbanks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0823164A GB2466286A (en) 2008-12-18 2008-12-18 Combining frequency coefficients based on at least two mixing coefficients which are determined on statistical characteristics of the audio signal

Publications (2)

Publication Number Publication Date
GB0823164D0 true GB0823164D0 (en) 2009-01-28
GB2466286A GB2466286A (en) 2010-06-23

Family

ID=40343874

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0823164A Withdrawn GB2466286A (en) 2008-12-18 2008-12-18 Combining frequency coefficients based on at least two mixing coefficients which are determined on statistical characteristics of the audio signal

Country Status (2)

Country Link
GB (1) GB2466286A (en)
WO (1) WO2010069773A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2211102A (en) * 2000-11-30 2002-06-11 Scient Generics Ltd Acoustic communication system
GB0108080D0 (en) * 2001-03-30 2001-05-23 Univ Bath Audio compression
JP4818955B2 (en) * 2007-02-27 2011-11-16 三菱電機株式会社 Noise removal device

Also Published As

Publication number Publication date
WO2010069773A1 (en) 2010-06-24
GB2466286A (en) 2010-06-23

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)