A. Homayoun Kamkar-Parsi Martin Bouchard Improved Noise Power Spectrum Density Estimation for Binaural Hearing Aids Operating in a Diffuse Noise Field Environment. 521-533 2009 17 IEEE Transactions on Audio, Speech & Language Processing 4 http://dx.doi.org/10.1109/TASL.2008.2009017 db/journals/taslp/taslp17.html#Kamkar-ParsiB09