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

Table 2

Extracted features.

Feature ID	Feature name
1	Zero crossing rate
2	Energy
3	Entropy of energy
4	Spectral centriod
5	Spectral spread
6	Spectral entropy
7	Spectral flux
8	Spectral rolloff
9–21	MFCCs
22–33	Chroma vector
34	Chroma deviation