Analog recordings aren't enough to protect from a different technique: Electrical network frequency analysis [1] http://www.bbc.com/news/science-environment-20

Analog recordings aren't enough to protect from a different technique: Electrical network frequency analysis [1] http://www.bbc.com/news/science-environment-20629671 http://www.bbc.com/news/science-environment-20629671 [2] https://en.wikipedia.org/wiki/Electrical_network_frequency_analysis https://en.wikipedia.org/wiki/Electrical_network_frequency_a...