Traditional Culture Encyclopedia - Traditional stories - What's the difference between AM, FM, DAB and DMB?
What's the difference between AM, FM, DAB and DMB?
FM, FM, generally in the short wave range, analog signal;
AM, amplitude modulation, generally in the medium wave range, analog signal;
DAB, digital signal broadcasting, that is, communication signals are digital signals, which can transmit other forms of signals including high-quality audio;
The upgrade and evolution of DMB and DAB provide multimedia services.
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