Table 26: Analysis of the accuracies reported by the Android library using the accelerometer, the magnetometer and the gyroscope sensors.

Stages	Accelerometer Magnetometer Gyroscope	Accelerometer Magnetometer Gyroscope Microphone	Accelerometer Magnetometer Gyroscope Microphone GPS
Stage 1	89.15%	89.15%	89.15%
Stage 2	-	45.68%	45.68%
Stage 3	-	100.00%	100.00%
Overall	89.15%	60.04%	69.43%