Signal interaction and the devil function

@inproceedings{Hershey2010SignalIA,
  title={Signal interaction and the devil function},
  author={John R. Hershey and Peder A. Olsen and Steven J. Rennie},
  booktitle={INTERSPEECH},
  year={2010}
}
It is common in signal processing to model signals in the log power spectrum domain. In this domain, when multiple signals are present, they combine in a nonlinear way. If the phases of the signals are independent, then we can analyze the interaction in terms of a probability density we call the “devil function,” after its treacherous form. This paper derives an analytical expression for the devil function, and discusses its properties with respect to model-based signal enhancement. Exact… CONTINUE READING
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