noise

The Park Service made a highly-detailed map last year of what the United States would sound like if you were to remove all traces of human activity from the picture. This map, along with the Park Service’s map of the human soundscape that came before it, is the product of a massive project involving 1.5 million hours of audio recordings taken at 479 locations in the United States. Those recordings were fed into sophisticated computer models able to produce estimates of the aural landscape throughout the U.S. with a frankly amazing level of detail and accuracy. By Christopher Ingraham – … Read more