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[AFV] Add HF simulation

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This commit is contained in:
Roland Rossgotterer
2019-09-30 09:48:04 +02:00
committed by Mat Sutcliffe
parent 2c1067b27e
commit 1f2d4a10b1
9 changed files with 66 additions and 16 deletions
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44
src/blackcore/afv/audio/callsignsampleprovider.cpp
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@@ -11,6 +11,7 @@
#include "callsignsampleprovider.h"
#include "callsigndelaycache.h"
#include "blacksound/sampleprovider/samples.h"
#include "blackcore/afv/audio/receiversampleprovider.h"
#include <QtMath>
#include <QDebug>
@@ -22,9 +23,10 @@ namespace BlackCore
{
namespace Audio
{
CallsignSampleProvider::CallsignSampleProvider(const QAudioFormat &audioFormat, QObject *parent) :
CallsignSampleProvider::CallsignSampleProvider(const QAudioFormat &audioFormat, const CReceiverSampleProvider *receiver, QObject *parent) :
ISampleProvider(parent),
m_audioFormat(audioFormat),
m_receiver(receiver),
m_decoder(audioFormat.sampleRate(), 1)
{
Q_ASSERT(audioFormat.channelCount() == 1);
@@ -36,6 +38,9 @@ namespace BlackCore
m_whiteNoise = new CResourceSoundSampleProvider(Samples::instance().whiteNoise(), m_mixer);
m_whiteNoise->setLooping(true);
m_whiteNoise->setGain(0.0);
m_hfWhiteNoise = new CResourceSoundSampleProvider(Samples::instance().hfWhiteNoise(), m_mixer);
m_hfWhiteNoise->setLooping(true);
m_hfWhiteNoise->setGain(0.0);
m_acBusNoise = new CSawToothGenerator(400, m_mixer);
m_audioInput = new CBufferedWaveProvider(audioFormat, m_mixer);
@@ -48,6 +53,7 @@ namespace BlackCore
m_mixer->addMixerInput(m_whiteNoise);
m_mixer->addMixerInput(m_acBusNoise);
m_mixer->addMixerInput(m_hfWhiteNoise);
m_mixer->addMixerInput(m_voiceEq);
m_timer.setInterval(100);
@@ -165,23 +171,41 @@ namespace BlackCore
{
m_crackleSoundProvider->setGain(0.0);
m_whiteNoise->setGain(0.0);
m_hfWhiteNoise->setGain(0.0);
m_acBusNoise->setGain(0.0);
m_simpleCompressorEffect->setEnabled(false);
m_voiceEq->setBypassEffects(true);
}
else
{
double crackleFactor = static_cast<double>(((qExp(m_distanceRatio) * qPow(m_distanceRatio, -4.0)) / 350) - 0.00776652);
if (m_receiver->getFrequencyHz() < 30000000)
{
float crackleFactor = (float)(((qExp(m_distanceRatio) * qPow(m_distanceRatio, -4.0)) / 350) - 0.00776652);
if (crackleFactor < 0.00) { crackleFactor = 0.0f; }
if (crackleFactor > 0.20) { crackleFactor = 0.20f; }
if (crackleFactor < 0.0f) { crackleFactor = 0.0f; }
if (crackleFactor > 0.20f) { crackleFactor = 0.20f; }
m_crackleSoundProvider->setGain(crackleFactor * 2);
m_whiteNoise->setGain(m_whiteNoiseGainMin);
m_acBusNoise->setGain(m_acBusGainMin);
m_simpleCompressorEffect->setEnabled(true);
m_voiceEq->setBypassEffects(false);
m_voiceEq->setOutputGain(1.0 - crackleFactor * 3.7);
m_hfWhiteNoise->setGain(m_hfWhiteNoiseGainMin);
m_acBusNoise->setGain(m_acBusGainMin + 0.001f);
m_simpleCompressorEffect->setEnabled(true);
m_voiceEq->setBypassEffects(false);
m_voiceEq->setOutputGain(0.38f);
m_whiteNoise->setGain(0.0);
}
else
{
float crackleFactor = (float)(((qExp(m_distanceRatio) * qPow(m_distanceRatio, -4.0)) / 350) - 0.00776652);
if (crackleFactor < 0.0f) { crackleFactor = 0.0f; }
if (crackleFactor > 0.20f) { crackleFactor = 0.20f; }
m_crackleSoundProvider->setGain(crackleFactor * 2);
m_whiteNoise->setGain(m_whiteNoiseGainMin);
m_acBusNoise->setGain(m_acBusGainMin);
m_simpleCompressorEffect->setEnabled(true);
m_voiceEq->setBypassEffects(false);
m_voiceEq->setOutputGain(1.0 - crackleFactor * 3.7);
}
}
}