A good-voice over is an essential prerequisite for a good video. The audio content plays the same crucial role as the visual input. Since all audiovisual components have an effect on the viewer, they are just sides of the same coin. Whereas for advertising and broadcasting a human voice is a must, on the flip side, many people think that for explanation videos, e-learning or IVR they can use a machine voice. Of course, using a machine will eventually cut the budget. However, what could the real costs of depriving a video of the naturalness of a real voice be?
