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resources Audio/Acoustics Test CD Suite
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Frequently Asked Questions

Disc 1
Track Number
Description
Track time (Min:secs)
Reference/Calibration (-6.0 & -20 dB FS)
1.
100 Hz
01:00.0
2.
1000 Hz
01:00.0
3.
10000 Hz
01:00.0
4.
100 Hz
01:00.0
5.
1000 Hz
01:00.0
6.
10000 Hz
01:00.0
Logarithmic Sweep Sine Wave Test Tones
7.
10 Hz to 20 kHz
00:35.0
8.
20 Hz to 20 kHz
00:35.0
9.
10 Hz to 100 Hz
00:35.0
10.
100 Hz to 1 kHz
00:35.0
11.
1 kHz to 10 kHz
00:35.0
12.
1 kHz to 20 kHz
00:35.0
13.
20 Hz to 2 kHz
00:35.0
14.
10 Hz to 10 kHz
00:35.0
15.
10 Hz to 1 kHz
00:35.0
ANSI - ISO Preferred Frequency, Pure Sine Wave, Test Tones (Hz)
16.
12.5
00:35.0
17.
16
00:35.0
18.
20
00:35.0
19.
25
00:35.0
20.
31.5
00:35.0
21.
40
00:35.0
22.
50
00:35.0
23.
63
00:35.0
24.
80
00:35.0
25.
100
00:35.0
26.
125
00:35.0
27.
160
00:35.0
28.
200
00:35.0
29.
250
00:35.0
30.
315
00:35.0
31.
400
00:35.0
32.
500
00:35.0
33.
630
00:35.0
34.
800
00:35.0
35.
1000
00:35.0
36.
1250
00:35.0
37.
1600
00:35.0
38.
2000
00:35.0
39.
2500
00:35.0
40.
3150
00:35.0
41.
4000
00:35.0
42.
5000
00:35.0
43.
6300
00:35.0
44.
8000
00:35.0
45.
10000
00:35.0
46.
12500
00:35.0
47.
16000
00:35.0
48.
20000
00:35.0
4-cycle, Blackman-windowed Shaped Tone Burst Stepped Sweep
49.
20 Hz to 20 kHz
05:00.0
50.
20 Hz to 500 Hz
02:20.0
51.
500Hz to 3150 Hz
01:35.0
52.
3150 Hz to 20000 Hz
01:15.0
4-cycle, Blackman-windowed Burst Tones (Hz)
53.
10
01:35.0
54.
12.5
01:35.0
55.
16
01:35.0
56.
20
01:35.0
57.
31.5
01:35.0
58.
40
01:35.0
59.
50
01:35.0
60.
63
01:35.0
61.
80
01:35.0
62.
100
01:35.0
63.
125
01:35.0
64.
160
01:35.0
65.
200
01:35.0
66.
250
01:35.0
67.
315
01:35.0
68.
400
01:35.0
69.
500
01:35.0
70.
630
01:35.0
71.
800
01:35.0
72.
1000
01:35.0
73.
1250
01:35.0
74.
1600
01:35.0
Disc 2
Track Number
Description
Track time (Min:secs)
1.
2000
01:35.0
2.
2500
01:35.0
3.
3150
01:35.0
4.
4000
01:35.0
5.
5000
01:35.0
6.
6300
01:35.0
7.
8000
01:35.0
8.
10000
01:35.0
9.
12500
01:35.0
10.
16000
01:35.0
11.
20000
01:35.0
IEC 6.5 Cycle Hann - windowed Burst Tones (Hz)
12.
10
01:35.0
13.
12.5
01:35.0
14.
16
01:35.0
15.
20
01:35.0
16.
31.5
01:35.0
17.
40
01:35.0
18.
50
01:35.0
19.
63
01:35.0
20.
80
01:35.0
21.
100
01:35.0
22.
125
01:35.0
23.
160
01:35.0
24.
200
01:35.0
25.
250
01:35.0
26.
315
01:35.0
27.
400
01:35.0
28.
500
01:35.0
29.
630
01:35.0
30.
800
01:35.0
31.
1000
01:35.0
32.
1250
01:35.0
33.
1600
01:35.0
34.
2000
01:35.0
35.
2500
01:35.0
36.
3150
01:35.0
37.
4000
01:35.0
38.
5000
01:35.0
39.
6300
01:35.0
40.
8000
01:35.0
41.
10000
01:35.0
42.
12500
01:35.0
43.
16000
01:35.0
44.
20000
01:35.0
Noise Signals
45.
Pink: 20 Hz to 20 kHz
01:06.0
46.
Pink: 10 Hz to 500 Hz
01:06.0
47.
Pink: 500 to 3 kHz
01:06.0
48.
Pink: 3 kHz to 20 kHz
01:06.0
49.
White: 20 Hz to 20 kHz
01:06.0
50.
White: 10 Hz to 500 Hz
01:06.0
Disc 3
Track Number
Description
Track time (Min:secs)
1.
White: 500 to 3 kHz
00:35.0
2.
White: 3 kHz to 20 kHz
00:35.0
3.
Correlated Pink Noise (Stereo)
00:35.0
4.
Non-correlated Pink Noise (Stereo)
00:35.0
1/3 Octave, Bandwidth Limited Pink Noise
5.
20
00:35.0
6.
25
00:35.0
7.
31.5
00:35.0
8.
40
00:35.0
9.
50
00:35.0
10.
63
00:35.0
11.
80
00:35.0
12.
100
00:35.0
13.
125
00:35.0
14.
160
00:35.0
15.
200
00:35.0
16.
250
00:35.0
17.
315
00:35.0
18.
400
00:35.0
19.
500
00:35.0
20.
630
00:35.0
21.
800
00:35.0
22.
1000
00:35.0
23.
1250
00:35.0
24.
1600
00:35.0
25.
2000
00:35.0
26.
2500
00:35.0
27.
3150
00:35.0
28.
4000
00:35.0
29.
5000
00:35.0
30.
6300
00:35.0
31.
8000
00:35.0
32.
10000
00:35.0
33.
12500
00:35.0
34.
16000
00:35.0
35.
20000
00:35.0
Impulse Signals (µsec)
36.
10
00:35.0
37.
21
00:35.0
38.
45
00:35.0
39.
68
00:35.0
40.
91
00:35.0
41.
159
00:35.0
42.
340
00:35.0
43.
499
00:35.0
44.
0-bit Pure Silence
00:60.0
Log Swept, ANSI - ISO Preferred Frequency, Warbled Sine Wave, Test Tones (Hz)
45.
10.0 Hz to 250 Hz
01:05.0
46.
250 Hz to 2.5 kHz
01:05.0
47.
2.5 kHz to 20 kHz
01:05.0
48.
10.0 Hz to 16 kHz
01:05.0
49.
10 Hz to 20 kHz
01:05.0
Linear Swept, 3-tone IMD Test Signals (Hz)
50.
10 Hz to 20 kHz
00:35.0
51.
20 Hz to 20 kHz
00:35.0
52.
10 Hz to 100 Hz
00:35.0
53.
100 Hz to 1 kHz
00:35.0
54.
1 kHz to 10 kHz
00:35.0
55.
1 kHz to 20 kHz
00:35.0
3-tone IMD Test Signals (Hz)
56.
12.5
00:35.0
57.
16
00:35.0
58.
20
00:35.0
59.
25
00:35.0
60.
31.5
00:35.0
61.
40
00:35.0
62.
50
00:35.0
63.
63
00:35.0
64.
80
00:35.0
65.
100
00:35.0
66.
125
00:35.0
67.
160
00:35.0
68.
200
00:35.0
69.
250
00:35.0
70.
315
00:35.0
71.
400
00:35.0
72.
500
00:35.0
73.
630
00:35.0
74.
800
00:35.0
75.
1000
00:35.0
76.
1250
00:35.0
77.
1600
00:35.0
78.
2000
00:35.0
79.
2500
00:35.0
80.
3150
00:35.0
81.
4000
00:35.0
82.
5000
00:35.0
83.
6300
00:35.0
84.
8000
00:35.0
85.
10000
00:35.0
86.
12500
00:35.0
87.
16000
00:35.0
88.
20000
00:35.0
Linear Swept, 5-tone IMD Test Signals (Hz)
89.
10 Hz to 20 kHz
00:35.0
90.
20 Hz to 20 kHz
00:35.0
91.
10 Hz to 100 Hz
00:35.0
92.
100 Hz to 1 kHz
00:35.0
93.
1 kHz to 10 kHz
00:35.0
94.
1 kHz to 20 kHz
00:35.0
Standard 2-tone IMD Signals
95.
SMPTE: 60 Hz & 7 kHz
00:35.5
96.
SMPTE: 11kHz & 12 kHz
00:35.5
97.
DIN: 250 Hz & 8 kHz
00:35.5
98.
ITU-R: 13 kHz & 14 kHz
00:35.5
99.
ITU-R: 19 kHz & 20 kHz
00:35.5