7: The number of decibels that France will lower noise limits at race tracks, down to 95dB from 102dB
0: Number of patient rooms in three studied ICUs that meet the World Health Organization’s threshold for noise
85: Percent of instances when chicken distress cheeps are accurately detected by machine listening algorithms
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¹Footnotes
France: [visordown.com](https://www.visordown.com/news/general/france-lower-noise-limits-race-tracks-2024). ICUs: [acousticbulletin.com](https://www.acousticbulletin.com/high-noise-levels-in-intensive-care-units). Chickens: [newscientist.com](https://www.newscientist.com/article/2326521-ai-that-detects-chicken-distress-calls-could-improve-farm-conditions/).
*Originally published in the July 4, 2022, edition of the This Week in Sound email newsletter. Get it in your inbox via [tinyletter.com/disquiet](https://tinyletter.com/disquiet).*