12 votes The hidden background noise that can catch criminals Posted December 20, 2021 by cfabbro Tags: united kingdom, national grid, electricity, audio recording, background noise, forensics, frequency analysis, signal processing, electrical network frequency, crime, videos, tom scott https://www.youtube.com/watch?v=e0elNU0iOMY Link information This data is scraped automatically and may be incorrect. Authors Tom Scott Duration 5:31 Published Dec 20 2021