Dynamical Approach for Spectral Estimation under Reverberation

The problem of spectral estimation in reverberation noise is considered in this paper. Since the reverberation is inherently deterministic, a new complexity measure called the phase space volume (PSV) is introduced for estimation instead of using the conventional probabilistic measures. We show that the unknown spectral of a signal embedded in reverberation noise can be obtained by minimizing the PSV (MPSV) of the received signal in a reconstructed phase space. Simulations are carried out to analyze the efficiency of the MPSV method for spectral estimation in reverberation noise. To illustrate the usefulness of the MPSV technique in solving real life problems, the problem of echo estimation in real reverberation is considered.