Re: FCC Orders All TV's To Have Digital Tuners By 2007

[dan.strassberg@att.net]

As of today, iBiquity wants you to call its systems for 
the AM and FM bands HD Radio (TM). Apparently, only 
those who spend the $300+ for an HD Radio will find out 
the true meaning of HD in the radio context: How Dumb. 
--
dan.strassberg@att.net
617-558-4205
eFax 707-215-6367
> <<On Sat, 10 Aug 2002 21:03:13 -0400, "Aaron 'Bishop' Read" 
> <aread@speakeasy.net> said:
> 
> > Yes and no...as long as we're being "nitpicky"  (I prefer to think of it as 
> > "thorough" :-)  IBOC stands for In-Band, On-Channel.  That's a reference to 
> > the fact that the IBOC signal is both in the same band as the analog 
> > signal, and also on the same channel (frequency).
> 
> It's only ``on channel'' if you redefine the channels to be 20 kHz
> wider than they currently are.  However, in the whole murky history of
> this mistake, ``in-band adjacent-channel'' refers to something
> different: an independent carrier with center frequency the same as an
> adjacent AM channel.  The perpetrators of this mess chose the wording
> ``on-channel'' to emphasize the fact that their digital carrier is
> designed to coexist with traditional AM on the same center frequency.
> 
> There were, as I recall, four main proposals for coexistance:
> 
> - in-band on-channel (i.e., what iBiquity is pushing)
> - in-band adjacent-channel
> - in-band alternate-channel (e.g., the DTV transition plan)
> - out-of-band (e.g., what the rest of the world is doing)
> 
> -GAWollman
>