Telephony devices developed at Bell Labs that accidentally gave electronic music its voice. The Voder became the first manual speech synthesizer, while its automated sibling, the Vocoder, taught synthesizers to sing and birthed digital spectral analysis.
node.music - an interactive map of the history of electronic sound
From the Telharmonium, which streamed sound over telephone wires at the end of the 19th century, to music written by AI.
Scroll down - that is how you move through time in a straight line. The [INFLUENCE] mode in the top menu reveals connections: who begat whom and how concepts shaped each other. To explore the influences deeper, switch to [HORIZON VIEW].
The site makes sound - and you can even play on those sounds. If the sound gets in the way, just turn it off in the top menu.