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MEAN ABSOLUTE AMPL. ENVELOPE ERROR %
MEAN ABSOLUTE INST. FREQUENCY ERROR %
10 0
10 −1
10 −2
10 −3
10 0
10 −1
10 −2
10 −3
10 1
10 1
ESA
SESA
HTD
10 2
CARRIER FREQUENCY / INFORMATION SIGNAL BANDWIDTH
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HTD
10 2
CARRIER FREQUENCY / INFORMATION SIGNAL BANDWIDTH
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SPEECH SIGNAL
HTD AMPLITUDE ENVELOPE
SESA AMPLITUDE ENVELOPE
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0 5 10 15 20 25 30
TIME (msec)
0
0 5 10 15 20 25 30
0.7
0.6
0.5
0.4
0.3
0.2
0.1
TIME (msec)
0
0 5 10 15 20 25 30
TIME (msec)
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PITCH PULSE TRAIN
HTD INST. FREQUENCY (Hz)
SESA INST. FREQUENCY (Hz)
1
0.8
0.6
0.4
0.2
0
1700
1600
1500
1400
1300
1200
1100
1000
0 5 10 15 20 25 30
TIME (msec)
900
0 5 10 15 20 25 30
1700
1600
1500
1400
1300
1200
1100
1000
TIME (msec)
900
0 5 10 15 20 25 30
TIME (msec)
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AMFM SIGNAL
H.T.S.A. INST. FREQUENCY
1.5
1
0.5
0
-0.5
-1
-1.5
0.22
0.21
0.2
0.19
0.18
50 100 150 200 250 300 350 400 450 500
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50 100 150 200 250 300 350 400 450 500
SAMPLE
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ENERGY OPERATOR OUTPUT
SESA INST. FREQUENCY
1.2
1
0.8
0.6
0.4
0.2
0
-0.2
0.22
0.21
0.2
0.19
0.18
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50 100 150 200 250 300 350 400 450 500
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SPEECH SIGNAL
HTD AMPLITUDE ENVELOPE
SESA AMPLITUDE ENVELOPE
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
0.5
0.4
0.3
0.2
0.1
0 5 10 15 20 25 30
TIME (msec)
0
0 5 10 15 20 25 30
0.5
0.4
0.3
0.2
0.1
TIME (msec)
0
0 5 10 15 20 25 30
TIME (msec)
BANDPASSED SIGNAL
HTD INST. FREQUENCY (Hz)
SESA INST. FREQUENCY (Hz)
0.4
0.2
0
-0.2
-0.4
2650
2600
2550
2500
2450
2400
0 5 10 15 20 25 30
TIME (msec)
2350
0 5 10 15 20 25 30
2650
2600
2550
2500
2450
2400
TIME (msec)
2350
0 5 10 15 20 25 30
TIME (msec)
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SPEECH SIGNAL
HTD AMPLITUDE ENVELOPE
SESA AMPLITUDE ENVELOPE
1
0.5
0
-0.5
-1
0 5 10 15 20 25
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
TIME (msec)
0
0 5 10 15 20 25
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
TIME (msec)
0
0 5 10 15 20 25
TIME (msec)
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SPEECH SPECTRUM
HTD INST. FREQUENCY (Hz)
SESA INST. FREQUENCY (Hz)
10 1
10 0
10 -1
10 -2
10 -3
3800
3600
3400
3200
3000
2800
3800
3600
3400
3200
3000
2800
0 1 2 3 4 5 6
FREQUENCY (KHz)
0 5 10 15 20 25
TIME (msec)
0 5 10 15 20 25
TIME (msec)
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AMPLITUDE ENVELOPE
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 5 10 15 20 25 30
TIME (msec)
INST. FREQUENCY (Hz)
2800
2700
2600
2500
2400
2300
2200
0 5 10 15 20 25 30
TIME (msec)
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SPEECH SIGNAL
AMPLITUDE ENVELOPE
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0 5 10 15 20 25 30 35
TIME (msec)
0
0 5 10 15 20 25 30 35
TIME (msec)
SPEECH SPECTRUM
INST. FREQUENCY (Hz)
10 1
10 0
10 -1
10 -2
10 -3
5600
5400
5200
5000
4800
4600
4400
4200
0 1 2 3 4 5 6 7 8
FREQUENCY (KHz)
4000
0 5 10 15 20 25 30 35
TIME (msec)
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AMPLITUDE ENVELOPE (HTD)
INST. FREQUENCY (HTD)
MEAN FREQUENCY (Hz)
1
0.8
0.6
0.4
0.2
0
0 20 40 60 80 100
TIME (msec)
2400
2200
2000
1800
1600
1400
1200
1000
a (t) a (t)
2 1
800
0 20 40 60 80 100
TIME (msec)
1800
1750
1700
1650
1600
1550
1500
1450
1400
o = HTD
x = ESA
AMPLITUDE ENVELOPE (ESA)
1
0.8
0.6
0.4
0.2
0
0 20 40 60 80 100
TIME (msec)
INST. FREQUENCY (ESA)
2400
2200
2000
1800
1600
1400
1200
1000
f 2*a 2(t) f 1*a
1(t)
20 80 100
800
0 40 60
TIME (msec)
0 20 80 100
0 20 40 60 80 100
TIME (msec)
40 60
TIME (msec)
MEAN WEIGHTED FREQUENCY (Hz)
1800
1750
1700
1650
1600
1550
1500
1450
1400
o = HTD
x = ESA
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FOURIER MAGNITUDE (dB)
FOURIER MAGNITUDE (dB)
110
100
90
80
70
60
50
0 1000 2000 3000 4000 5000
FREQUENCY (Hz)
110
100
90
80
70
60
50
0 1000 2000 3000 4000 5000
FREQUENCY (Hz)
FOURIER MAGNITUDE (dB)
80
75
70
65
60
F F
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1200 1800 2000
55
1400 1600
FREQUENCY (Hz)
FOURIER MAGNITUDE (dB)
80
75
70
65
60
F F
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1000 1100 1500 1600
55
900 1200 1300 1400
FREQUENCY (Hz)
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SPEECH SIGNAL
FREQUENCY (Hz)
MEAN FREQUENCY (Hz)
2000
1500
1000
500
0
−500
−1000
−1500
−2000
−2500
0 0.5 1
TIME (msec)
1.5 2
4000
3500
3000
2500
2000
1500
1000
500
4000
3500
3000
2500
2000
1500
1000
500
0 0.5 1
TIME (sec)
1.5 2
0 0.5 1 1.5 2
TIME (sec)
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MEAN FREQUENCY (Hz)
MAGNITUDE (dB)
BANDWIDTH (Hz)
90
80
70
60
50
4000
3000
2000
1000
0
200
150
100
50
500 1000 1500 2000 2500 3000 3500 4000
Frequency (Hz)
500 1000 1500 2000 2500 3000 3500 4000
Gabor filter center frequency (Hz)
500 1000 1500 2000 2500 3000 3500 4000
Gabor filter center frequency (Hz)
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MDA RAW FORMANTS (Hz)
MDA FORMANT TRACKS (Hz)
FREQUENCY (Hz)
4000
3500
3000
2500
2000
1500
1000
500
4000
3500
3000
2500
2000
1500
1000
500
4000
3500
3000
2500
2000
1500
1000
500
0 0.5 1
TIME (sec)
1.5 2
0 0.5 1
TIME (sec)
1.5 2
0 0.5 1
TIME (sec)
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MDA RAW FORMANTS (Hz)
MDA FORMANT TRACKS (Hz)
FREQUENCY (Hz)
3000
2500
2000
1500
1000
500
3000
2500
2000
1500
1000
0
0 0.5 1 1.5
TIME (sec)
2 2.5
500
3000
2500
2000
1500
1000
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TIME (sec)
2 2.5
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LP RAW FORMANT FREQUENCIES (Hz)
LP RAW FORMANT BANDWIDTHS (Hz)
4000
3500
3000
2500
2000
1500
1000
500
4000
3500
3000
2500
2000
1500
1000
500
0 0.5 1
TIME (sec)
1.5 2
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TIME (sec)
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