Time-varying frequency warping: results and experiments

  title={Time-varying frequency warping: results and experiments},
  author={Gianpaolo Evangelista and Sergio Cavaliere},
Dispersive tapped delay lines are attractive structures for altering the frequency content of a signal. In previous papers we showed that in the case of a homogeneous line with first order all-pass sections the signal formed by the output samples of the chain of delays at a given time is equivalent to compute the Laguerre transform of the input signal. However, most musical signals require a time-varying frequency modification in order to be properly processed. Vibrato in musical instruments or… CONTINUE READING


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