• DocumentCode
    936697
  • Title

    Speech enhancement using perceptually-constrained gain factors in critical-band-wavelet-packet transform

  • Author

    Lu, C.-T. ; Wang, H.-C.

  • Author_Institution
    Dept. of Electr. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan
  • Volume
    40
  • Issue
    6
  • fYear
    2004
  • fDate
    3/18/2004 12:00:00 AM
  • Firstpage
    394
  • Lastpage
    396
  • Abstract
    A closed-form solution of gain factor for wavelet coefficients in a subband is derived by constraining the residual noise to be lower than the noise masking threshold. Experimental results show that this approach can efficiently remove the corrupting noise without any empirical factor.
  • Keywords
    Gaussian noise; speech enhancement; wavelet transforms; white noise; closed-form solution; critical-band-wavelet-packet transform; noise masking; perceptually-constrained gain factors; residual noise; speech enhancement; subband wavelet coefficients;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20040266
  • Filename
    1278131
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=936697