Digital Shortwave - will
use the
Digital Radio Mondiale (DRM) multi-media digital
radio broadcasting standard for frequencies below 30 MHz.
That include Shortwave
(SW, 3-30 MHz), Medium Wave*
(MW, which is the AM band, 540-1700 KHz)
and Longwave (LW, 150 to 540 KHz)
band. This technology decode digitize "Raw"12 KHz radio signal feed
converted from the radio's Intermediate Frequencies (IF) 455 kHz
Stage.
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DRM's Features:
DRM Broadcast info below
- Audio: -
Sample link below
- - Up to 4 Mono Program
Simultaneously
- - Has Stereo Mode
- - FM Quality Sound
- Data:
- - Text Display
- - Still Images
- - Web Pages
Note: This is not the
official DRM broadcast specs, but what the
webmaster seen on various DRM related webpages. It is subject to
change. Which feature you use depend on what is being broadcast and
which software and / or hardware you are using. |

DRM Radios:
DRM receivers Modification below
- Hardware
- Prototype consumer receiver
displayed at Sept. 2002 International Broadcaster Convection in
Amsterdam, Netherlands. See
- DRM Press release
on Sept 9 &10th, 2002
-
RN
Receiving DRM
- Software
-
- - Professional Receiver version:
FhG Software Radio by Fraunhofer IIS
- - "Consumer Test" Receiver version:
www.drmrx.org
or RN
Receiving DRM
- -
Requires a "IF Freq.
(455kHz) to 12 kHz output conversion kit" for your radio. This
signal is sent to your PC soundcard input for decoding
-
DRM
Receivers Modification Info
-
-
Drmrx.org Documentation Download
-
AOR UK Ltd.
&
SAT Service Scheider
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DRM's Broadcasts:
-
RN's DRM Transmission
Schedules page
Now DRM broadcasts within Europe
& to
the world except South American
DRM's Inaugural Broadcast on June 11, 2003
at
WRC-03 by ITU --- DRM
Photos
-
DRM Press Release on June 11,2003
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- G303i Shortwave Receivers on PC Card by
WinRadio
- - Last IF stage & demodulation stage done in
software.
- Software demodulator for AM, FM, CW, LSB, USB
- Compatible with
FhG & Merlin 'DRM' receiver software
- Soon WinrRadio's DRM demodulator be available
delayed due to licensing issues.
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| DRM Audio Sample: |
- on Chris Mackerell's
DRM Reception in New Zealand Pg. |
I have heard DRM Audio files from above website and they
sound as good as real audio
files on the broadcaster's own web site. Is this how shortwave
broadcast should sound? |
| For more information, see: |
- Official
Digital Radio Mondiale website
- Radio Netherlands's
DRM
Page &
Digital AM Links
- DRM Deutschland
- German language website on the roll-out of
DRM Service in the German speaking countries |
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