Why Are We Contented With Analog FM Radio Broadcasting Despite Having Digital Broadcasting Technology?
FM radio is one technology which became a part of our lives very long ago. It is used widely in all the regions of the world. It is obvious that each region will have different frequency modulation but the core idea of its operations remains the same everywhere. However, it is unfortunate to highlight that despite various technology sophistications, radio has been neglected. Today we have moved from analog to digital broadcasting in television. So the question arises that why has radio not experienced better technology?
To answer this question, it is vital to dig into the reasons or the factors which led the analog television broadcasting switch to digital broadcasting. In the first place, digital broadcasting uses 6-8 MHz of bandwidth to broadcast a package of TV channels and other services. Whereas the same bandwidth was used by analog to broadcast one program, hence the switch is justified by mentioning the more efficient use of radio spectrum. Moreover, both the technologies made use of radio spectrum; therefore, all it required was making possible the more efficient use of radio spectrum bandwidth and not complete switch in technologies. Undoubtedly, radio can also witness switch to digital technology but it will take many years and large scale preparation to make technological up-gradation happen.
It is important to mention that switching from one technology to other does not only take time but also consistent efforts to analyze each aspect of the newer technology. Mainly factors like good sound quality, excellent reception of signals and more efficient use of radio spectrum by increasing the capacity; are given the top priority. There have been many inventions which have resulted in digital broadcasting of sound like T-DAB, DRM+, DVB-T, DRM and DVB-T2, which certainly have good reception and output; but none of these have been impressive enough so that it can replace analog radio transmission.
FM radio employs 250 kHz bandwidth with spacing of 100 and 200 kHz, varying as per the region. It is because of this changed combination of bandwidth and spacing that switching from analog to digital in radio broadcasting would be difficult. Hence, we have to remain contented with the analog radio transmission unless the sophistication of the technology rises!
Concluding, it is significant to mention that technological advancements are always welcome by all, anywhere in the world, because, it adds to the comfort in our lives and also becomes a source of pride for the inventing company. However, the hard fact, which cannot be ignored is the high investment made in technological advancements, in the shape of consistent and dedicated efforts, large amount of financial investments and opportunity cost of investing time, which otherwise could have been invested in some other invention. Hence, before setting out to bring about advancements in any existing technology, it is important have a reality check which will enable you to see if the advancements will provide the real desired output. Same is the case in deciding for upgrading radio analog technology to digital. The advancement should make the operations easier and not difficult!
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