I use the Dayton Audio Emm-6 as measuremente mic,with its own calibration file. I have always used it with Reference 3 Measure with no issue. Now i have to modify the calibration text file to use it with Measure 4 but the software always tells me that there is a problem with my file, I tried to follow the instructions on the site with no luck.
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post #1 of 7Old08-27-2004, 04:50 PM - Thread Starter
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Does anyone have calibration file for ECM8000 microphone that I can use with ETF 5?
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Isn't the point of buying a measurement microphone that it should be flat and require no corrections?
I ask that honestly, since I have an ECM8000, and thought that by definition it should be flat (or reasonably so, say +/- 1dB from 20 to 20 kHz).
Mike
I ask that honestly, since I have an ECM8000, and thought that by definition it should be flat (or reasonably so, say +/- 1dB from 20 to 20 kHz).
Mike
post #3 of 7Old08-28-2004, 09:08 AM - Thread Starter
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Even the $250 mic/preamp sold at http://www.etfacoustic.com/micpreamp.html comes with a calibration file.
IBF-EMM8
Features
calibration data on disc
IBF-EMM8
Features
calibration data on disc
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Here's the 'generic' Behringer file that comes with TrueRTA. Pretty flat for such an inexpensive mic. It does roll off a bit above 15K.
Hz, dB, phase
20.0000 -0.07 31.9
25.1785 0.137 25.8
31.6978 0.275 20.2
39.9052 0.393 16.2
50.2377 0.344 12.3
63.2455 0.534 9.23
79.6214 0.512 6.47
100.237 0.493 4.27
126.191 0.358 3.03
158.865 0.407 0.06
200.000 0.114 -1.7
251.785 0.295 -3.1
300.640 0.204 -3.1
312.495 0.170 -3.4
324.817 0.136 -5.0
337.625 0.103 -4.2
350.938 0.073 -2.4
364.777 0.047 -3.6
379.160 0.021 -4.2
394.111 -0.00 -2.3
409.652 -0.01 -2.8
425.805 -0.01 -3.5
442.595 -0.01 -1.7
460.048 -0.02 -2.7
478.188 -0.02 -2.5
497.044 -0.02 -1.6
516.643 -0.02 -3.0
537.016 -0.02 -1.3
558.191 -0.03 -2.6
580.202 -0.04 -1.5
603.080 -0.05 -2.2
626.861 -0.06 -1.4
651.579 -0.06 -2.1
677.272 -0.07 -1.0
703.978 -0.07 -2.1
731.737 -0.08 -1.0
760.591 -0.09 -1.4
790.582 -0.11 -1.5
821.756 -0.12 -0.5
854.160 -0.12 -0.8
887.841 -0.11 -0.9
922.850 -0.08 -0.1
959.240 -0.04 0.22
997.064 -0.00 -0.1
1036.38 0.019 -0.5
1077.24 0.034 -0.8
1119.72 0.043 -0.7
1163.87 0.049 -0.7
1209.77 0.051 -0.8
1257.47 0.041 -1.1
1307.05 0.011 -1.3
1358.59 -0.04 -1.5
1412.17 -0.11 -1.2
1467.85 -0.15 -0.5
1525.73 -0.16 0.07
1585.89 -0.14 0.08
1648.43 -0.12 0.40
1713.43 -0.10 1.24
1780.99 -0.03 1.39
1851.22 0.116 2.27
1924.22 0.301 1.57
2000.09 0.448 0.89
2078.96 0.484 -0.4
2160.94 0.433 -1.8
2246.15 0.300 -2.8
2334.72 0.098 -3.3
2426.78 -0.17 -2.8
2522.47 -0.35 -1.4
2621.94 -0.41 0.85
2725.33 -0.14 3.37
2832.79 0.370 3.63
2944.49 0.682 1.43
3060.60 0.765 -1.4
3181.28 0.437 -3.8
3306.73 0.049 -3.7
3437.12 -0.23 -2.2
3572.65 -0.24 0.51
3713.53 0.035 2.42
3859.96 0.476 2.65
4012.16 0.803 0.25
4170.37 0.729 -2.8
4334.81 0.295 -4.1
4505.74 -0.01 -2.2
4683.41 0.072 0.40
4868.09 0.528 1.04
5060.05 0.747 -0.6
5259.57 0.813 -2.3
5466.97 0.653 -3.4
5682.54 0.589 -3.2
5906.61 0.635 -3.0
6139.52 0.763 -4.1
6381.62 0.624 -5.0
6633.25 0.475 -5.3
6894.82 0.428 -3.2
7166.69 0.978 -3.4
7449.29 1.015 -6.3
7743.03 0.913 -7.7
8048.35 0.764 -9.0
8365.71 0.691 -8.6
8695.58 0.767 -9.8
9038.47 0.588 -10.
9394.87 0.590 -11.
9765.33 0.493 -12.
10150.3 0.390 -12.
10550.6 0.464 -13.
10966.6 0.245 -14.
11399.1 0.180 -16.
11848.5 -0.25 -16.
12315.8 -0.13 -16.
12801.4 -0.44 -17.
13306.2 -0.44 -17.
13830.9 -0.72 -18.
14376.2 -0.82 -18.
14943.1 -1.08 -20.
15532.4 -1.29 -20.
16144.8 -1.64 -21.
16781.5 -1.90 -21.
17443.2 -2.35 -21.
18131.0 -2.70 -21.
18845.9 -3.12 -21.
19589.1 -3.57 -20.
20361.5 -4.01 -18.
21164.4 -4.46 -16.
21999.0 -4.92 -15.
Hz, dB, phase
20.0000 -0.07 31.9
25.1785 0.137 25.8
31.6978 0.275 20.2
39.9052 0.393 16.2
50.2377 0.344 12.3
63.2455 0.534 9.23
79.6214 0.512 6.47
100.237 0.493 4.27
126.191 0.358 3.03
158.865 0.407 0.06
200.000 0.114 -1.7
251.785 0.295 -3.1
300.640 0.204 -3.1
312.495 0.170 -3.4
324.817 0.136 -5.0
337.625 0.103 -4.2
350.938 0.073 -2.4
364.777 0.047 -3.6
379.160 0.021 -4.2
394.111 -0.00 -2.3
409.652 -0.01 -2.8
425.805 -0.01 -3.5
442.595 -0.01 -1.7
460.048 -0.02 -2.7
478.188 -0.02 -2.5
497.044 -0.02 -1.6
516.643 -0.02 -3.0
537.016 -0.02 -1.3
558.191 -0.03 -2.6
580.202 -0.04 -1.5
603.080 -0.05 -2.2
626.861 -0.06 -1.4
651.579 -0.06 -2.1
677.272 -0.07 -1.0
703.978 -0.07 -2.1
731.737 -0.08 -1.0
760.591 -0.09 -1.4
790.582 -0.11 -1.5
821.756 -0.12 -0.5
854.160 -0.12 -0.8
887.841 -0.11 -0.9
922.850 -0.08 -0.1
959.240 -0.04 0.22
997.064 -0.00 -0.1
1036.38 0.019 -0.5
1077.24 0.034 -0.8
1119.72 0.043 -0.7
1163.87 0.049 -0.7
1209.77 0.051 -0.8
1257.47 0.041 -1.1
1307.05 0.011 -1.3
1358.59 -0.04 -1.5
1412.17 -0.11 -1.2
1467.85 -0.15 -0.5
1525.73 -0.16 0.07
1585.89 -0.14 0.08
1648.43 -0.12 0.40
1713.43 -0.10 1.24
1780.99 -0.03 1.39
1851.22 0.116 2.27
1924.22 0.301 1.57
2000.09 0.448 0.89
2078.96 0.484 -0.4
2160.94 0.433 -1.8
2246.15 0.300 -2.8
2334.72 0.098 -3.3
2426.78 -0.17 -2.8
2522.47 -0.35 -1.4
2621.94 -0.41 0.85
2725.33 -0.14 3.37
2832.79 0.370 3.63
2944.49 0.682 1.43
3060.60 0.765 -1.4
3181.28 0.437 -3.8
3306.73 0.049 -3.7
3437.12 -0.23 -2.2
3572.65 -0.24 0.51
3713.53 0.035 2.42
3859.96 0.476 2.65
4012.16 0.803 0.25
4170.37 0.729 -2.8
4334.81 0.295 -4.1
4505.74 -0.01 -2.2
4683.41 0.072 0.40
4868.09 0.528 1.04
5060.05 0.747 -0.6
5259.57 0.813 -2.3
5466.97 0.653 -3.4
5682.54 0.589 -3.2
5906.61 0.635 -3.0
6139.52 0.763 -4.1
6381.62 0.624 -5.0
6633.25 0.475 -5.3
6894.82 0.428 -3.2
7166.69 0.978 -3.4
7449.29 1.015 -6.3
7743.03 0.913 -7.7
8048.35 0.764 -9.0
8365.71 0.691 -8.6
8695.58 0.767 -9.8
9038.47 0.588 -10.
9394.87 0.590 -11.
9765.33 0.493 -12.
10150.3 0.390 -12.
10550.6 0.464 -13.
10966.6 0.245 -14.
11399.1 0.180 -16.
11848.5 -0.25 -16.
12315.8 -0.13 -16.
12801.4 -0.44 -17.
13306.2 -0.44 -17.
13830.9 -0.72 -18.
14376.2 -0.82 -18.
14943.1 -1.08 -20.
15532.4 -1.29 -20.
16144.8 -1.64 -21.
16781.5 -1.90 -21.
17443.2 -2.35 -21.
18131.0 -2.70 -21.
18845.9 -3.12 -21.
19589.1 -3.57 -20.
20361.5 -4.01 -18.
21164.4 -4.46 -16.
21999.0 -4.92 -15.
post #5 of 7Old08-28-2004, 03:45 PM - Thread Starter
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This is the one that I used with SpectraLAB. Do not recall where it came from though (you can open the .mic file from archive in a text editor and compare with above).ecm8000.zip 0.3115234375k . file
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post #7 of 7Old08-31-2004, 02:53 PM - Thread Starter
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The calibration file for RS meter from ETF 5 looks different and has 6 columns. http://www.etfacoustic.com/Software/RSAnalogueSPL.zip
I wonder how I can convert the above info to the below format.
ETF microphone calibration file generated by ETF5.x
515,625 0,000 0,000
539,063 0,015 0,181
562,500 0,029 0,364
585,938 0,041 0,544
609,375 0,052 0,739
632,813 0,063 0,949
656,250 0,076 1,187
679,688 0,091 1,444
703,125 0,111 1,711
726,563 0,135 1,978
750,000 0,162 2,237
773,438 0,191 2,488
796,875 0,222 2,729
820,313 0,255 2,962
843,750 0,288 3,187
867,188 0,322 3,408
890,625 0,357 3,625
914,063 0,392 3,839
937,500 0,428 4,051
960,938 0,465 4,265
984,375 0,503 4,474
I wonder how I can convert the above info to the below format.
ETF microphone calibration file generated by ETF5.x
515,625 0,000 0,000
539,063 0,015 0,181
562,500 0,029 0,364
585,938 0,041 0,544
609,375 0,052 0,739
632,813 0,063 0,949
656,250 0,076 1,187
679,688 0,091 1,444
703,125 0,111 1,711
726,563 0,135 1,978
750,000 0,162 2,237
773,438 0,191 2,488
796,875 0,222 2,729
820,313 0,255 2,962
843,750 0,288 3,187
867,188 0,322 3,408
890,625 0,357 3,625
914,063 0,392 3,839
937,500 0,428 4,051
960,938 0,465 4,265
984,375 0,503 4,474
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