chapter  3
30 Pages

Digital audio

We can approach the necessary concept by considering the simple superposition of the two signals shown in Figure 3.1. This process of superposition is exactly the same process which we considered in Chapter 2: the simple point-by-point addition of Waveform 1 in Figure 3.1 to Waveform 2, to produce the resulting waveform shown as Waveform 3.