458 |
return fco; |
return fco; |
459 |
|
|
460 |
// ... whereas our own filter types take a cutoff parameter in Hz, so |
// ... whereas our own filter types take a cutoff parameter in Hz, so |
461 |
// remap here 0 .. 127 [lin] -> 21 Hz .. 18 kHz [log4] (center @2.2 kHz) |
// remap here 0 .. 127 [lin] -> 21 Hz .. 18 kHz [x^4] (center @2.2 kHz) |
462 |
fco = (fco + 29.f) / (127.f + 29.f); |
fco = (fco + 29.f) / (127.f + 29.f); |
463 |
fco = fco * fco * fco * fco * 18000.f; |
fco = fco * fco * fco * fco * 18000.f; |
464 |
if (fco > 0.49f * pEngine->SampleRate) |
if (fco > 0.49f * pEngine->SampleRate) |