― Description : ∙ The role of a converter box is to allow a television to read encoded digital signals through a cable or over the air and display images with sound clearly. This broad definition may not be suitable to explain converter boxes used for HD purposes but it should suffice to say that anything which can covert one type of signal into another shall fall under this category. So, why would anyone want a converter box in the first place? Read on and find out the top seven reasons. [...].