Thursday 12 January 2017

Digital Audio Broadcasting (DAB): Radio Technology

Question 1 Which of the following advantages is not rendered by DAB as compared to the FM frequencies in radio technology?

a) Steady signal transmission in any topography.
b) Better coverage and ease of tuning.
c) Better sound quality irrespective of number of channels.
d) Better sharing of digital information related to broadcasted content.

Question 2 Which of the following countries has become the first country in the world to begin shutting down its entire FM radio network and replacing it with digital radio?

a) Denmark
b) Norway
c) China
d) Switzerland

Answers

1) c, Large number of channels may divide the bit-rate or rate of data transfer among the broadcasts. As a result of which, DAB bandwidth can be choked and it may further suffer a drop in quality.
2) b

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