Spectral Echoes [redux]
I was watching an episode of 'The Rest is Science' on YouTube this afternoon where they were playing a game of guess the origin of this or that noise from a selection of almost abstract and quite spooky-sounding samples. As one might imagine, given the click-bait-y style of this little scientific parlour game, the origins of these noises were all from normal and explicable sources, either natural or man-made in origin, and spanning some 150 years or so in their making. Various whale sounds - not the more familiar ones - icebergs calving and glaciers grinding the earth below the sea made up the bulk of the samples reviewed, but the earliest recording was that which surfaced a few years ago [2008] of the earliest known mechanical recording of a human voice, dating to 1860, of someone born in 1817: Édouard-Léon Scott De Martinville, who captured his own singing voice in a waveform drawn on paper by his own invention, the Phonautograph, which he built and was patented in 1857. His...