Chapter
The History of Multiplexing Telegraph and Radio Signals.
07:37 - 14:52 (07:14)
The utilization of multiplexing and superimposing high frequency radio signals is a crucial element not only for music but also for telegraph signals, allowing numerous signals to travel through a single wire. It played a significant role in the past, and its effects are still evident today.
Clips
Elevator music was everywhere from the 1950s to 1980s, in public places like buses, planes, offices, and even Air Force One.
07:37 - 09:31 (01:53)
Summary
Elevator music was everywhere from the 1950s to 1980s, in public places like buses, planes, offices, and even Air Force One. Its presence in chaotic scenes of movies and TV shows turned it into a trope, although it's meant to create a calming atmosphere.
ChapterThe History of Multiplexing Telegraph and Radio Signals.
EpisodeMuzak: Easy Listening Goodness
PodcastStuff You Should Know
Nikola Tesla's invention of multiplexing, superimposing high frequency radio signals over low frequency telegraph signals, increased efficiency and output.
09:33 - 12:03 (02:30)
Summary
Nikola Tesla's invention of multiplexing, superimposing high frequency radio signals over low frequency telegraph signals, increased efficiency and output. He also worked on wireless communication with the army and discovered a way to use a living tree as a receiver and transmitter for radio signals.
ChapterThe History of Multiplexing Telegraph and Radio Signals.
EpisodeMuzak: Easy Listening Goodness
PodcastStuff You Should Know
In-house radio was a novel technology that used multiplexing technology to transmit sound waves over electrical wires.
12:03 - 14:52 (02:48)
Summary
In-house radio was a novel technology that used multiplexing technology to transmit sound waves over electrical wires. Offering news and dance music channels, it was a hit among early 20th-century listeners.