And WHY would you go digital on a car radio? How many HUNDREDS OF MILLIONS of radios would have to be replaced? The shift to the new TV format in Feb. 2009 is only going to work because so many are on CABLE ....
--- Barry Garratt <[EMAIL PROTECTED]> wrote: > IBOC is a method whereby both analog and digital > signals are transmitted on > the same frequency. > Additional digital subcarriers are carried on the > normal AM or FM analog > signal. They extend beyond the normal > channel bandwidth though so there is an increased > chance of adjacent channel > interference. > > I think the plan in the future is to eliminate the > analog portion and have > all stations strictly digital. > > _____ > > From: digitalradio@yahoogroups.com > [mailto:[EMAIL PROTECTED] On > Behalf Of "John Becker, WØJAB" > Sent: Monday, November 12, 2007 5:25 PM > To: digitalradio@yahoogroups.com > Subject: Re: [digitalradio] Digital Radio - Well > Broadcast > > > > This has been going on for over 25 years that I know > of. > But I don't think it was digital. AM and FM radio > had a > service for the blind that was a sub carrier. Sounds > very > close to it. > > At 06:29 PM 11/12/2007, you wrote: > >In the U.S. the FCC has approved a system called > IBOC (In-Band On Channel) > to add digitial audio to existing AM and FM > stations. In broadcast radio, > there isn't the luxury of unused channels that allow > every station to have > one analog and one digital transmitter. I haven't > seen any terrestrial > digital radio receivers in stores yet. > > > > > ____________________________________________________________________________________ Be a better sports nut! Let your teams follow you with Yahoo Mobile. Try it now. http://mobile.yahoo.com/sports;_ylt=At9_qDKvtAbMuh1G1SQtBI7ntAcJ