ADC	Analogue to Digital Converter
AUV	Autonomous Underwater Vehicles
CAD	Computer Aided Design
DAVS	Dual Accelerometer Vector Sensor
DI	Directivity index
DSOR	Dynamical Systems and Ocean Robotics Lab
DOA	Direction Of Arrival
GB	Giga Byte
GPS	Global Positioning System
IST ID	Instituto Superior Técnico—Investigação e Desenvolvimento
PGA	Programmable Gain Amplifier
PZT	Lead Zirconate Titanite
RTC	Real Time Communication
SNR	Signal to Noise Ratio
SPL	Sound Pressure Level