MOTOROLA
DSP96002 USER’S MANUAL
B-35
B.1.20 Normalized Lattice Filter
NORMALIZED LATTICE FILTER
COEFFICIENT AND STATE VARIABLE STORAGE
r0 r4
X: q2 k2 q1 k1 q0 k0 w3 w2 w1 w0 Y: sx s2 s1 s0
m0=3*N (=9, mod 10) m4=N (=3, mod 4)
Z
-1
Z
-1
Z
-1
∑
∑
∑
∑
∑
∑
∑
q2
q1
k2
k1
k0
-k2
-k1
-k0
q0
q1
q0
q2
w0
w1
w2
w3
input
output
