Feature Selection Using Genetic Algorithms for the Generation of a Recognition and Classification of Children Activities Model Using Environmental Sound

Table 5

Five-feature subset chosen by the genetic algorithm for each classifier.

Classifier	Features
k-NN	ZCR, spectral spread, MFCC1, MFCC2, MFCC5
NC	Energy, spectral spread, MFCC1, MFCC6, MFCC11
ANN	Energy, spectral centroid, spectral spread, MFCC6, MFCC7
RF	Energy, spectral spread, spectral rolloff, MFCC2, MFCC3
Rpart	Energy, spectral centroid, spectral rolloff, MFCC1, MFCC2