I was guessing that it wasn't the same, but increased visibility of the
technology might introduce some more people to the "DRM concept." Of course,
once they hit the increased difficulty of receiving broadcast DRM, their
enthusiasm may waver. But maybe some SWLs will want to listen to DRM
transmissions on the ham bands.
As for the Linux article, I think the unique aspect of the article that he
was stressing was the ability to boot Linux from a flash drive. I worked with
Steve Ford WB8IMY back when I was writing the chapter on "Shortwave Listening
and Scanning" for the ARRL Operating Manual, and he's a pretty savvy guy.
73,
Curt
Curt Phillips, CEM
W4CP ex-KD4YU; ex-WB4LHI
ARRL Life; QCWA; SKCC; NASWA
Tar Heel Scanner/SWL Group
Raleigh, NC
[EMAIL PROTECTED]
--
Using powerlines to distribute high-speed Internet makes as much sense as
using cable TV coax to distribute high voltage electrical power.
Mark Phillips <[EMAIL PROTECTED]> wrote:
There's a fundamental difference here with the WinDRM ham software and
DReaM broadcast software.
The Ham version is a "soundcard mode" not requiring any modifications to
your radio. This mode uses the MELP codec.
For broadcast DRM you'll need to extract the audio before any filtering
etc which is why modifications are required to your radio. Also, the
preferred method of broadcast DRM listening is via a 12KHz IF (not
commonly found in HF RX's) and utilises the MP4 and AAC+ codecs not
found in the ham world.
As an aside, I also noted that QST had an article on Linux under the
heading of "Eclectic Technology". Where the hell have they been? Linux
has been mainstream for over 10 years with the 2nd largest installed
server platform on Wall Street!
Mark
On Mon, 2007-03-19 at 21:19 -0700, Curt Phillips W4CP wrote:
> I just got my April QST out of the mailbox, and noted that QST editor
> Steve Ford WB8IMY has an article " Life Could Be A DReamM" on using
> DRM to transmit digitally on the ham bands.
>
> Some software and info is available at
> http://n1su.com/windrm/download.html
>
> and
>
> http://n1su.com/windrm/docs/1.2/
>
> More info as I (or someone else) gets a chance to explore the article
> in depth. This may well encourage more people get set-up to receive
> DRM broadcasts.
>
> FYI.
>
> BTW, I really enjoyed my first SWL Fest (more on this in a future
> e-mail), but haven't posted any pictures or other e-mails yet since I
> have been battling brochitis. But I enjoyed the Fest anyway (despite
> the apparent onset of the brochitis at least by the last day of the
> Fest.)
>
> Curt Phillips W4CP
> ex-KD4YU; WB4LHI
> ARRL Life; QCWA; NASWA
> Tar Heel Scanner/SWL Group
> Raleigh, NC
> [EMAIL PROTECTED]
>
> Using power lines to distribute high-speed Internet makes as much
> sense as using cable TV coax to distribute high voltage electrical
> power.
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>
> For more information on the Fest, visit:
>
> http://www.swlfest.com
> http://swlfest.blogspot.com
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