Radio Broadcast Technology
- radio broadcast technology and radio broadcasting including analogue radio
digital radio, analogue television and the many forms of digital television for
terrestrial television, satellite television and mobile or handheld television.
Radio broadcasting is an established use of radio technology. The first
organised broadcasts taking place in the 1920s.
Now there are many radio
stations broadcasting all over the world using a variety of differernt types of
transmission. Today, radio broadcast equipment from transmitters and receivers
to antennas, studios and relay links are widely available, although with the new
standards for transmission including DAB Digital Radio and DRM, new equipment is
required. Nevertheless AM as well as FM with its RDS capability are still the
most widely used.
AM broadcasting
C-QUAM system for broadcasting AM stereo
VHF FM broadcasting
VHF FM is the most widely used form of broadcasting in areas of the world where
the population is relatively high. Its bandwidth enables it to carry high
quality transmissions, stereo, and other services such as RDS.
Broadcast VHF FM
RDS -
Radio Data Service
Digital Radio Broadcasting
DAB digital radio is now widely deployed in many countries around the globe, and
now that the cost of radios has fallen, listener figures are rising. Although
not available in many countries, it is certainly making a significant impact
where it has been deployed, adding more flexibility and the possibility of near
CD quality.
What is DAB, Digital Audio Broadcasting
DAB digital radio Band III channel numbers and frequencies
HD Radio - the new digital radio system for the USA
Digital Radio Mondiale (DRM) - the new standard to replace AM broadcasting
Television
There are many way in which television can be distributed these days. From the
old analogue television radio broadcasts, through the new digital methods of
radio delivery to IP based delivery over wired networks such as the Internet.
What is DVB - Digital Video Broadcasting - an overview or tutorial about the
basics of DVB
IPTV - Internet Protocol Television
