Complex sentence: Two of the basic building blocks are the decimator and expander.As illustrated in Figure 6, the input gets divided into four directional sub bands that each of them covers one of the wedge-shaped frequency regions.
Split into simpler sentences: Two of the basic building blocks are the decimator and expander. For example, in Figure 6, the input divides into four directional sub bands that each of them covers one of the wedge-shaped frequency regions.