Worksheet for exercise 4.5.  Note that joe.dat has a sampling rate of 16000 samples/s, not the 8000 samples/s that lpc_spectrum expects. So, try applying lpc_spectrum to joe8k.dat instead. (This worksheet can be printed in landscape orientation on one side of A4 paper.)




Measured from joe8k.dat using lpc_spectrum
 Olive et al. (1993)
(American male)
Cruttenden (2001)
(British male)


Sample numbers
 ¼ vowel
 ¾ vowel
 ¼ vowel
 ¾ vowel
 First component
 Second component
Vowel
Vowel start
 Vowel end
 ¼ vowel
 ¾ vowel
 F1
(Hz)
 F2
(Hz)
 F3
(Hz)
 F1
(Hz)
 F2
(Hz)
 F3
(Hz)
 F1
(Hz)
 F2
(Hz)
 F3
(Hz)
 F1
(Hz)
 F2
(Hz)
 F3
(Hz)
 F1
(Hz)
 F2
(Hz)
 F1
(Hz)
 F2
(Hz)
(J)oe
 [schwa U]









550
 1000
400
 800
537
 1266
 379
 1024
(t)oo(k)
 [U]









450
 950
 2400
 450
 950
 2400
 414
 1051
 414
 1051
(f)a
 [ah ]









750
 1100
 2600
 750
 1100
 2600
 687
 1077
 687
 1077
(th)er(s)
 [schwa ]









500
 1500
 2500
 500
 1500
 2500



(sh)oe
 [ju]









300
 1800
300
 850
 2400

316
 1191
(b)e(nch)
 [eh ]









550
 1700
 2550
 550
 1700
 2550
 494
 1650
 494
 1650
ou(t).
 [æU]









800
 1350
550
 900
780
 1368
 372
 1074
(Sh)e
 [i]









280
 2250
 2750
 280
 2250
 2750
 280
 2249
 280
 2249
(w)a(s)
 [schwa ]









500
 1500
 2500
 500
 1500
 2500



(w)ai
 [eI]









500
 1750
>250
 2250
587
 1945
 413
 2130
(t)i(ng)
 [I]









400
 1900
 2600
 400
 1900
 2600
 367
 1757
 367
 1757
a(t)
 [schwa ]









500
 1500
 2500
 500
 1500
 2500



(m)y
 [ah I]









800
 1300
>250
 1950
734
 1117
 439
 2058
(l)aw(n).
 [aw ]









650
 900
 2500
 650
 900
 2500
 415
 828
 415
 828