B-32 DSP96002 USER’S MANUAL MOTOROLA

B.1.19 General Lattice Filter

GENERAL LATTICE
COEFFICIENT AND STATE VARIABLE STORAGE
r0 r4
x: k3 k2 k1 w3 w2 w1 w0 y: s4 s3 s2 s1
m0=6 (=2*N, mod 7) m4=3 (=N, mod 4)
∑∑
(in)
(out)
Z-1 Z-1
Z-1
k3 k2 k1
-k3 -k2 -k3
w1 w0w2w3