... measure the similarity of speech samples by their topic. This isnaturally affected by the features. In our study the featuresmeasure mostly the spectral characteristics of the signals, and therefore ... integral of the product of the ithcomponent of GMM k∈{A, B} and the jth component of GMM m∈{A, B} by Qi,j,k,m=∞−∞pk(x)ipm(x)jdx. (9)ThevaluesforthetermseAA, eBB,andeABin ... these categories wereclose to each other also from the human perspective. On the other hand, the speakers were separated from each other almost perfectly. The confusion matrix is here presented...