15 Jan
2008
15 Jan
'08
10:47 a.m.
On Tue, 15 Jan 2008 08:18:52 -0600
The Other <sstubbs(a)shout.net> wrote:
What is HD radio? A local radio station is
advertising they are the
first HD radio station in my listening area. Is HD supposed to mean
High Definition?
How can radio waves be normal for other stations, and HD for this
station? Doesn't make sense to me. I suspected HD means the
recordings have not been so compressed as other 'normal' radio station
recordings, and you can actually hear some dynamic range.
Google is your friend:
http://www.hdradio.com/how_does_hd_digital_radio_work.php
Basically there's a digital component added to the analog. A HD radio
picks up the digital signal, and much like a TCP/IP stream can sort packets
that don't arrive in strict order, sorts them out into a signal without
static, hiss or pops.
The record labels are still going to insist that recordings be compressed
to within an inch of listenability.
--
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Joe Hartley - UNIX/network Consultant - jh(a)brainiac.com
Without deviation from the norm, "progress" is not possible. - FZappa