Do you remember?
Introduced in 1992, The DigiCenter from International Tapetronics
was a computer-based audio storage and playback system. Capable of live
assist and full automation, the network configurations allowed up to
255 workstations to be connected and managed. The system handled
satellite automation and automated switching of audio sources, as well
as unattended recording and delayed playback.
Using a custom operating system that was a variation of Unix, the
system had a four-channel capacity. Audio was stored as linear PCM
files at 44.1kHz or 48kHz at 16 bits. In 1992, disc storage was
expensive, but the system used SCSI drives to achieve very large
Thanks to John Schaab of On Air Digital USA for providing the
That was then
On May 3, 1971, National Public Radio began broadcasting its network
programming. At the time, the network had 90 non-commercial stations
affiliates in 36 states. This photo appeared on the July 1971 cover of
Broadcast Engineering. The program All Things Considered
was one of the first programs distributed through the network.
At the time, NPR also began a network special with live coverage of
the Senate Foreign Relations Committee hearings on the termination of
the Vietnam War. NPR was the only network to cover the proceedings in
The studio shown here was equipped with the latest audio equipment,
including Scully reel-to-reel tape machines, Broadcast Electronics cart
machines and Russco turntables.
Do you have information and pictures of a station from radio's earlydays?
Tell us about it for an upcoming installment.
Sample and Hold
A look at the technology shaping radio
Total XM and Sirius satellite radio receiver sales
Source: Carmel Consulting; U.S. Digital Satellite Radio Forecast, Nov