giving this equation, how do we get the value of (In/I1)? what is the equation we need to use to get the answer for this? Please show how to slove for the ratio, thank you
giving this equation, how do we get the value of (In/I1)? what is the equation we need to use to get the answer for this? Please show how to slove for the ratio, thank you
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giving this equation, how do we get the value of (In/I1)? what is the equation we need to use to get the answer for this?
Please show how to slove for the ratio, thank you
Transcribed Image Text:nsity level (SIL) is a number in decibels (dB) that is given by th
SIL = (10 dB) log10
I is the intensity of a sound relative to Io, an intensity level corr
I of hearing. Using the rules of logarithms, we can compare the
ities as follows:
SIL.
SIL, = (10 dB)log10
ere we are comparing the sound intensity level of the nth harmo
using their corresponding intensities In and I,. In the analysis tha
ked to solve for the ratio ().
pur spectrum window will show
- and SIL at that point (basically
coordinates of wherever you are
entify the peaks and click at the
Transcribed Image Text:the frequency (in Hz), the harmonic number n
(divide all frequencies by the frequency of the fundamental), the SIL (in dB) of that peal
the difference between the SIL of that peak and the first harmonic's SIL, and you
calculated ratio (). A table with sample data is shown below:
f (Hz)
SIL, (dB)
SIL, - SIL,
610
1.00
-13.8
1.0000
1225
2.01
-43.1
-29.3
0.0012
1834
3.01
-28.5
-14.7
0.0339
2451
3052
4.02
5.00
-50.8
-34.8
-37
0.0002
-21
0.0079
21 F
APR
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