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Digital Audio Broadcasting (DAB) works by broadcasting digital signals within a given radio frequency range [in the uk its 217.5 - 230.0 MHz]
The audio signal is digitally encoded, transmitted and then decoded by a DAB unit.
DAB can also be used to broadcast data and text and its this facility
that I think can be further exploited.
If a transmitting unit can send data which can be received elsewhere, then it is possible to have these two units bond by via a handshake protocol.
Once bonded, these units could then transmit data/music/text.
Why do i propose this? If there was a single digital frequency made available for local broadcasting [over a 100m range for example], we could all use radio to transmit where we currently use IR or FM broadcasting. Applications could be
speakers around the house
mp3 or portable cd players in cars
DAB - a short guide
[jonthegeologist, Oct 04 2004, last modified Oct 21 2004]
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||Digital radio was invented by Marconi. He just used a very very slow bit rate!
||Around here they call it "Wireless" ... as if it was something "New" instead of over 100 years old! (Radio was called "wireless" before it had sound)
||seems like I spark off ideas for you RT. Pleased to help!
||How about using Wi-Fi and
||What I want is an Rendezvous
capable, wi-fi enabled iPod that
can stream the current output as
Icecast (to whatever's listening)
and share files with other iPods
or Rendezvous-enabled (aka
ZeroConf) computers. If
anyone's at Apple's listening, I
reckon you'd be on to a real
winner... and all I ask for my
thoughts is a test unit ;-)