Digital cinematography is the process of capturing (recording) film as digital video images rather than through film stock. Digital capture may occur on video tape, hard disks, flash memory, or other media which can record digital data through the use of a digital movie video camera or other digital video camera. - (google)
The video above explains the difference between analogue and digital signals. Digital signals are the way forwards because, an advantage for me is, they are signals that are not interrupted as much as a analogue. For example, if there was signal interference when watching analogue TV the picture would break up. However if there was signal interference and you was watching a digital TV, i would not break up as much or not at all.
A benefit of using digital over analogue would be that is is a quicker process when filming video. With analogue, it would be a lengthy process with editing because you would need to physically cut up film and merge with others. With digital, the editing process is quick and only requires the ability to know how to edit.
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