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Added equalizer to smooth out RX audio passband.

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This commit is contained in:
Rob French 2020-06-05 12:11:38 -05:00
parent 519a208508
commit c5a7592346
1 changed files with 20 additions and 0 deletions
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20
ubitx_iop/audio.ino
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@ -156,6 +156,8 @@ void RigAudio::init() const {
mixRX.gain(i, 0.0);
mixTX.gain(i, 0.0);
}
audioEqualizer();
USBDEBUG("audio initialization completed");
}
@ -723,6 +725,24 @@ void audioDigiFilter()
audioCtrl.eqFilter(5, hpFilter);
}
*/
int eqFilter1[5];
void audioEqualizer()
{
audioCtrl.audioPreProcessorEnable();
audioCtrl.eqSelect(PARAMETRIC_EQUALIZER);
// calcBiquad(FilterType,FrequencyC,dBgain,Q,QuantizationUnit,SampleRate,int*);
calcBiquad(FILTER_PARAEQ, 2700, 6, 0.707, 524288, 44100, eqFilter1);
// calcBiquad(FILTER_HIPASS, 100, 0, 0.707, 524288, 44100, hpFilter);
audioCtrl.eqFilter(0, eqFilter1);
// audioCtrl.eqFilter(1, hpFilter);
// audioCtrl.eqFilter(2, lpFilter);
// audioCtrl.eqFilter(3, hpFilter);
// audioCtrl.eqFilter(4, lpFilter);
// audioCtrl.eqFilter(5, hpFilter);
}
//======================================================================
// EOF
//======================================================================