Synopsis
This is a silent print of the film which shows how telephone transmission lines are used to convey network programs to radio stations located in various sections of the country.
Uploader's description on archive.org
Details
- Running time
- 11 minutes
- Collection
- Prelinger Archives
- Internet Archive item
- NetworkBroad
Reviews on the Internet Archive
★★★ · Radio Radio · Wilford B. Wolf · 2005-04-10
This film is about how telephones play a role in spreading radio network broadcasts in the early 1930s. Unfortunately, this print is missing the soundtrack, but we are left with a lot of great imagery. The film seems to explain how the sound transmitted over the telephone lines is optimized for the standard range of an orchestra and the broadcast over the radio. To illustrate this point, there is quite bit of period animation showing how different instruments compare to the tones of a piano and how that relates to sound frequencies. There is also a number of maps showing the different…
★★ · Too bad its silent · srogers · 2003-10-08
This appears to be the first part of a short on network broadcasting of radio from the mid to late 30's. Many scenes of listeners with early radios, plus technicians with period radio broadcast gear.