FMPreemphasisDialog 0 0 351 169 Liberation Sans 9 FM Preemphasis Settings Time constant (Tau) (us) Low frequency corner (Hz) Low frequency corner. Automatically calculated based on tau. 10000.000000000000000 1000.000000000000000 High frequency corner (Hz) High frequency corner. 1000000.000000000000000 1000.000000000000000 Time constant in us. 50 for EU. 75 for USA. 0 5000.000000000000000 10.000000000000000 Preset preemphasis values. Narrowband FM Broadcast FM (US) Broadcast FM (EU, Asia) User-defined Preset Qt::Horizontal QDialogButtonBox::Cancel|QDialogButtonBox::Ok tau lowFreq highFreq buttonBox accepted() FMPreemphasisDialog accept() 248 254 157 274 buttonBox rejected() FMPreemphasisDialog reject() 316 260 286 274