Method of data reduction of sampled speech signals by using nonuniform sampling and a time-variable digital filter

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Method of data reduction of sampled speech signals by using nonuniform sampling and a time-variable digital filter

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© The Institution of Electrical Engineers
Published

A method of data reduction applicable to sampled continuous signals, for example, sampled speech signals, is described and tested by computer simulation, Nonuniform sampling obtained through skipping of samples is used. The reconstruction network is a time-variable digital filter. A minimisation procedure for coefficient derivation is described.

Inspec keywords: digital filters; data reduction and analysis; speech analysis

Other keywords: time variable digital filter; sampled speech signals; nonuniform sampling; computer simulation; reconstruction network; data reduction; coefficient derivation; sampled continuous signals; minimisation procedure; samples skipping

Subjects: Digital filters; Digital filters; Communications computing; Speech and audio signal processing

References

    1. 1)
      • F.J. Beutler . Recovery of randomly sampled signals by simple interpolators. Inf. & Control
    2. 2)
      • Fjällbrant, T.: `A method of data reduction of sampled speech signals', To be presented at EUROCON 77, May 1977, Venice.
    3. 3)
      • F.J. Beutler . Error-free recovery of signals from irregularly spaced samples. SIAM Rev.
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