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Appendix A
Common Questions
NI-DSA Software User Manual
Table A-1. Exact Center Frequencies for 1/12 Octave Analysis (Continued)
k
(1/12
ANSI-Standard Exact
octave)
Center Frequencies (Hz)
–18
–17
–16
–15
–14
–13
–12
–11
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
1,059.46
2
1,122.46
3
1,189.21
4
1,259.92
5
1,334.84
A-14
353.55
374.58
396.85
420.45
445.45
471.94
500
529.73
561.23
594.60
629.96
667.42
707.11
749.15
793.70
840.9
890.90
943.87
1,000
IEC-Standard Exact
Center Frequencies (Hz)
363.91
385.55
408.48
432.77
458.50
485.77
514.65
545.25
577.68
612.03
648.42
686.98
727.83
771.11
816.96
865.54
917.00
971.53
1,029.30
1,090.51
1,155.35
1,224.05
1,296.84
1,373.95
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