Echolocation works by making bursts of sounds and listen to the echoes that bounce back to get information about the environment. Below are materials covering different aspects. Also check out our Practical Exercises.
Introduction to Echolocation [pdf]
Echolocation Clicks [pdf] [video]
Echolocation and Vision Impairment [pdf]
Echolocation and the Brain [pdf]
Echolocation, Orientation and Mobility [pdf]
Echolocation - Limitations [pdf]