Study of the Wiener Filter for Noise Reduction -- Statistical Methods for the Enhancement of Noisy Speech -- Single- and Multi-Microphone Spectral Amplitude Estimation Using a Super-Gaussian Speech Model -- From Volatility Modeling of Financial Time-Series to Stochastic Modeling and Enhancement of Speech Signals -- Single-Microphone Noise Suppression for 3G Handsets Based on Weighted Noise Estiā¦