There is no GMA Channel 7 on ABS-CBN Mahiwagang Black Box? Is GMA Network block on Mahiwagang Black Box. This revolutionary change on TV broadcasting that they have been saying is the company's movement on digital broadcasting. According to Wikipedia , Digital broadcasting is the practice of using digital data rather than analogue waveforms forbroadcasting over radio frequency bands. It is becoming increasingly popular as digital television (especially satellite television) but is having a slower adoption rate for radio where it is mainly used in Satellite radio. Digital links, thanks to the use of data compression, generally have more efficient bandwidth usage than analog links. Content provider can provide more services or a higher-quality signal than had been previously available. It is estimated that the share of digital broadcasting increased from 7% of the total amount of broadcast information in 2000, to 25% in 2007 and some countries ha...
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