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#21
October 3rd 07, 11:22 AM
posted to rec.audio.tech,rec.audio.car,rec.radio.shortwave
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HD radio is not the only IBOC standard - DRM is also
On Oct 3, 3:49 am, RHF wrote:
Use a common 'portable' AM & FM Shortwave Radio and Tune to a DRM Shortwave Radio Broadcast.http://www.drm.org/livebroadcast/livebroadcast.php Hear that Noise on both sides of the Tuned Frequency extending for +/- 10 kHz. That is the Digital Noise caused by the DRM Digital Broadcast Mode. This is "Why" many say DRM is QRM. ~ RHF What's QRM? (checks wikipedia) Does that mean "Man-made interference" Wikipedia doesn't say what the negatives for DRM are. |
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