How to receive DRM signals through SDR.
SDRs are used for radio communication based on software-defined wireless communication protocol. Instead of components (such as radio frequency amplifiers and mixers), these use software on embedded or computer systems.
Software-defined radios (SDRs) are available at cheaper prices online, which can be used to receive DRM transmissions. Some commercial wide-band SDRs are RTL-SDR V3 (cheapest), FUNcube Pro+, Airspy, SDRPlay, HackRF and BladeRF.
An SDR can be simply plugged into the USB port of a laptop or desktop computer. An external antenna is connected to the SDR. Length of the antenna depends on the distance between the computer and transmitting station.
Another aspect of DRM reception is suitable software. Some free and downloadable software to receive DRM transmissions are HDSDR, SDSharp and Dream.
Configuring the SDR with suitable software for DRM reception can be tricky. Most manufacturers provide a quick start guide to help set up. For receiving a particular modulation (like AM, FM, DRM, SSB, USB or CW), a compatible program is run on the computer to control the receiver.
Source: Electronics For You.
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