-
Notifications
You must be signed in to change notification settings - Fork 0
/
plot_iir_filters.m
97 lines (89 loc) · 2.94 KB
/
plot_iir_filters.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
function plot_iir_filters(data,Fs,gain)
% return composit data
f = figure('visible','off');
%low pass filter with cutoff frequency of 170Hz
filter_obj = iir_low_pass(170,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_1_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_1_iir_f','jpg');
composite_data = dummy_data * gain(1);
%band pass filter 170 - 310 Hz
filter_obj = iir_band_pass(170,310,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_2_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_2_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(2);
%band pass filter 310 - 600 Hz
filter_obj = iir_band_pass(310,600,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_3_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_3_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(3);
%band pass filter 600 - 1k Hz
filter_obj = iir_band_pass(600,1000,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_4_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_4_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(4);
%band pass filter 1k - 3k Hz
filter_obj = iir_band_pass(1000,3000,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_5_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_5_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(5);
%band pass filter 3k - 6k Hz
filter_obj = iir_band_pass(3000,6000,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_6_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_6_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(6);
%band pass filter 6k - 12k Hz
filter_obj = iir_band_pass(6000,12000,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_7_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_7_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(7);
%band pass filter 12k - 14k Hz
filter_obj = iir_band_pass(12000,14000,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_8_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_8_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(8);
%band pass filter 14k - 16k Hz
filter_obj = iir_band_pass(14000,16000,Fs);
dummy_data = filter(filter_obj,data);
plot(dummy_data)
saveas(f,'fig_9_iir_t','jpg')
[freq_audio,P1]= getFreq(dummy_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_9_iir_f','jpg');
composite_data = composite_data + dummy_data * gain(9);
plot(composite_data)
saveas(f,'fig_composite_iir_t','jpg')
[freq_audio,P1]= getFreq(composite_data,Fs);
plot(freq_audio,P1);
saveas(f,'fig_composite_iir_f','jpg');