 For example, a C note is raised to a note two-thirds of the way from C to C♯.The speeds of the different region DVDs match the speeds used during the original television broadcasts in the respective countries.Thus the Region 1 DVD plays the video at the same speed as the American broadcasts (which is the speed at which the show was filmed), while the Region 2 and 4 DVDs plays the video at the slightly faster speed that was used during the original British broadcasts.