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+86-15928560945
Digital Radio Mondiale (DRM) is an international standard for digital broadcasting, designed to deliver high-quality digital audio and data services across shortwave, medium wave, long wave, and VHF bands. Recognized by the International Telecommunication Union (ITU) as a global digital broadcasting standard, the primary DRM standards have been published by ETSI. DRM has become a well-established technology, widely adopted in numerous regions worldwide.
DRM employs COFDM (Coded Orthogonal Frequency Division Multiplexing), allowing digitally encoded audio and data signals to be distributed across many closely spaced carriers within the assigned transmission channel. Time interleaving is used to reduce fading effects. The flexibility of OFDM and coding parameters allows DRM to adapt to various propagation environments, optimizing the balance between transmission power, robustness, and data capacity.
Enhanced Listener Experience: DRM delivers superior sound quality and reception, enabling clearer, high-fidelity audio that enhances the enjoyment of music, radio shows, and spoken content.
Multiple Channel Availability: It allows multiple channels to be broadcast on the same frequency, offering listeners a wider selection of diverse programming.
Broader Coverage: DRM digital broadcasts extend beyond the range of traditional analog broadcasts, serving a larger population.
Improved Energy Efficiency: Digital broadcasting in DRM consumes less power for the same area, leading to energy cost savings and reduced operational expenses.
Efficient Spectrum Utilization: DRM optimizes the use of spectrum resources, supporting more channels and services, crucial for spectrum management.
Global Standardization: As an internationally standardized technology, DRM promotes compatibility and cooperation among broadcasters and regulatory bodies, ensuring seamless service exchange across countries.
Ensure that the device is well cooled, check the power supply stability, and analyze whether there are interference sources around (such as other transmitting devices).
Check whether the transmission power setting meets the design target, and ensure that the antenna is installed at a high place and matches the gain requirements.
Confirm whether the receiver frequency setting is correct, check whether there is DRM signal coverage in the area, or replace the receiving antenna.
Confirm the type of audio interface supported by the receiver (such as 3.5mm, RCA, or Bluetooth), and connect it to the external audio device correctly according to the user manual.
Confirm the receiving antenna direction and sensitivity, ensure that the SNR of the received signal is high enough, and test other audio output devices.
Please send an email to gujx@newglee.com for agent information.
