1. A method for determining a bias reduced noise and interference estimation in a binaural microphone configuration, the method which comprises: receiving with the binaural microphone configuration a right microphone signal and a left microphone signal during a time-frame with a target speaker active; determining an auto power spectral density estimate of a common noise containing noise components and interference components of the right and left microphone signals; and modifying the auto power spectral density estimate of the common noise by using an estimate of a magnitude squared coherence of the noise components and interference components contained in the right and left microphone signals determined during a time frame without a target speaker active.