86. 1.1 Block Diagram Representation The filter is described by the difference equation yIn=-diyln-1+poX/n+p,xn-1 Using the above equation we can compute yn for n20 knowing the initial condition yIn-1 and the input xn] for n>-1§6.1.1 Block Diagram Representation • The filter is described by the difference equation y[n]=-d1 y[n-1]+p0 x[n]+p1 x[n-1] • Using the above equation we can compute y[n] for n≥0 knowing the initial condition y[n-1] and the input x[n] for n ≥-1