An Analysis of Audio Features to Develop a Human Activity Recognition Model Using Genetic Algorithms, Random Forests, and Neural Networks

Table 1

Activities general description.

Activity	Description
Brew coffee	Brewing coffee in stove using coffee pots and in coffee machines
Cooking	Cooking meat and scrambled eggs in stove
Use microwave oven	Using several microwave ovens to heat up water and meal
Take a shower	Taking a shower in different environments; in some cases water fall was interrupted on intervals
Dish washing	Dishes were washed by hand individually or in groups of different dishes; water noise is in background
Hand washing	Washing hands with bar soap
Teeth brushing	Audio clips start from opening the tap to closing it
No activity	No activity audio clips which are mostly noises added by the device used to record