Audio data is being used for the good of the environment through the repurposing of 10-year old Huawei smartphones by an environmental conservation start-up Rainforest Connection.
The non-profit organisation founded in 2014, is helping to protect the rainforests of the world by listening out for nefarious activity and reporting any to local forest rangers, through its network of forest guardians. The star-shaped devices comprise early generation smartphones in protective boxes, surrounded by solar panels.
The devices are then placed high up in the canopy of the rainforest. When the audio sensors detect the sound of chainsaws, the information is streamed up to the cloud and an alert is sent to people on the ground to intervene and stop the illegal loggers.
“One of these guardians can cover three square kilometres and can hear a chainsaw pretty far away,” said White.
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