8 lines
3.2 KiB
PHP
8 lines
3.2 KiB
PHP
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// value of x for implementation of single pole low pass filter
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// in 32bit fixed integer calculation with coefficients
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// a0 = 1 - x
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// b1 = x
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// x = EXP(-(2*PI()*fc))
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// where fc is a value between 0.0 and 0.5 of the sampling rate (in this case 48KHz)
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//
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