DENSITY IN DB 
DENSITY (x10!) 
GAIN (IN DB) 
COHERE. 
POWER SPECTRAL DENSITY 
INPUT: 1 WAVE 
-20.00 -20.00 
—40.00 40.00 
-60.00 -60.00 
POWER SPECTRAL DENSITY 
OUTPUT: 2 PITCH 
DENSITY IN OB 
0.00 1.00 2.00 0.00 1.00 
FREQUENCY FREQUENCY 
CROSS SPECTRAL DENSITY CROSS SPECTRAL DENSITY 
REAL PART 1 2 IMAG. PART 1 2 
0.02 0.07 
S 
S 
0.01 = 0.03 
nO 
z 
Ww 
oO 
-0.00 Baico 
0.00 1.00 2.00 0.00 1.00 
FREQUENCY FREQUENCY 
a 
FREQUENCY RESPONSE FUNCTION 54.00 
INPUT: 1 WAVE 
OUTPUT: 2 PITCH 
N=250 
H=100 
10.00 > 18.00 
x 
o 
w 
iS 
Ww 
n 
-10.00 <= -18.00 
a 
-30.00 -54.00 
0.00 1.00 2.00 0.00 1.00 
FREQUENCY FREQUENCY 
1.00 
ae 
0.00 1.00 2.00 
FREQUENCY 
Fig. 7.16. Frequency response analysis for pitch by AR-model 
fitting (N=250, At=0.2 sec, AR-8). 
(From Oda, Yamanouchi, et al.°?) 
243 
