Table 3 Evaluation of the three processing scenarios at the sensor using MICAz
Measured attribute | Energy consumption (mJ) | Time (ms) |
|---|---|---|
Scenario #1: The full scheme | 37.05 | 500 |
 Processing | 36.79 | 496 |
 Notification | 0.26 | 4.50 E−3 |
Scenario #2: The scheme without classification | 37.02 | 498 |
 Processing | 36.75 | 493 |
 Notification (vector of features) | 0.27 | 4.76 E−3 |
Scenario #3: Transmission of 1Â s of the raw acoustic signal | 130.42 | 1511.89 |