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Table 3 Evaluation of the three processing scenarios at the sensor using MICAz

From: Lightweight feature extraction method for efficient acoustic-based animal recognition in wireless acoustic sensor networks

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 1 s of the raw acoustic signal
130.42 1511.89