• DocumentCode
    980994
  • Title

    An efficient model-based multirate method for reconstruction of audio signals across long gaps

  • Author

    Esquef, Paulo A A ; Biscainho, Luiz W P

  • Author_Institution
    Lab. of Acoust. & Audio Signal Process., Helsinki Univ. of Technol.
  • Volume
    14
  • Issue
    4
  • fYear
    2006
  • fDate
    7/1/2006 12:00:00 AM
  • Firstpage
    1391
  • Lastpage
    1400
  • Abstract
    This paper presents an efficient model-based interpolator for reconstructing long portions of missing samples in audio signals. A simple modification to an existing interpolation method is proposed, optimizing the balance between computational requirements and qualitative performance. Moreover, a post-processing multirate interpolation scheme is introduced to further enhance the quality of the restored signals. Subjective quality assessments of the reconstructed signals via listening tests substantiate the improved performance of the proposed algorithm
  • Keywords
    audio signal processing; interpolation; signal reconstruction; signal restoration; audio signal reconstruction; interpolation method; listening tests; model-based interpolator; multirate method; postprocessing multirate interpolation scheme; quality assessment; signal reconstruction; Audio recording; Degradation; Helium; Interpolation; Optimization methods; Quality assessment; Signal processing algorithms; Signal reconstruction; Signal restoration; Testing; Acoustic signal processing; audio reconstruction; autoregressive (AR) models; filterbanks;
  • fLanguage
    English
  • Journal_Title
    Audio, Speech, and Language Processing, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    1558-7916
  • Type

    jour

  • DOI
    10.1109/TSA.2005.858018
  • Filename
    1643664