Noise reduction in biomedical speech signal processing based on time and frequency Kalman filtering combined with spectral subtraction. - Leandro Aureliano da Silva; Marcelo Basílio Joaquim (Comput. Electr. Eng., 2008)

A nearly optimum linear-phase digital FIR filters design. - Marcelo Basílio Joaquim; Carlos A. S. Lucietto (Digit. Signal Process., 2011)