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AM Modulator: use CW smoother
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0a7e9261e2
commit
1186e80663
@ -71,6 +71,7 @@ AMMod::AMMod() :
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m_cwKeyer.setSampleRate(m_config.m_audioSampleRate);
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m_cwKeyer.setSampleRate(m_config.m_audioSampleRate);
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m_cwKeyer.setWPM(13);
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m_cwKeyer.setWPM(13);
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m_cwKeyer.setMode(CWKeyer::CWNone);
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m_cwKeyer.setMode(CWKeyer::CWNone);
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m_cwSmoother.setNbFadeSamples(96); // 2 ms @ 48 kHz
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}
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}
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AMMod::~AMMod()
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AMMod::~AMMod()
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@ -182,14 +183,24 @@ void AMMod::pullAF(Real& sample)
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sample = ((audioSample[0] + audioSample[1]) / 65536.0f) * m_running.m_volumeFactor;
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sample = ((audioSample[0] + audioSample[1]) / 65536.0f) * m_running.m_volumeFactor;
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break;
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break;
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case AMModInputCWTone:
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case AMModInputCWTone:
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Real fadeFactor;
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if (m_cwKeyer.getSample())
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if (m_cwKeyer.getSample())
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{
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{
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sample = m_toneNco.next();
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m_cwSmoother.getFadeSample(true, fadeFactor);
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sample = m_toneNco.next() * fadeFactor;
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}
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}
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else
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else
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{
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{
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sample = 0.0f;
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if (m_cwSmoother.getFadeSample(false, fadeFactor))
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m_toneNco.setPhase(0);
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{
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sample = m_toneNco.next() * fadeFactor;
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}
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else
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{
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sample = 0.0f;
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m_toneNco.setPhase(0);
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}
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}
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}
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break;
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break;
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case AMModInputNone:
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case AMModInputNone:
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@ -348,6 +359,7 @@ void AMMod::apply()
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if (m_config.m_audioSampleRate != m_running.m_audioSampleRate)
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if (m_config.m_audioSampleRate != m_running.m_audioSampleRate)
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{
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{
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m_cwKeyer.setSampleRate(m_config.m_audioSampleRate);
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m_cwKeyer.setSampleRate(m_config.m_audioSampleRate);
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m_cwSmoother.setNbFadeSamples(m_config.m_audioSampleRate / 500); // 2 ms
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}
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}
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m_running.m_outputSampleRate = m_config.m_outputSampleRate;
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m_running.m_outputSampleRate = m_config.m_outputSampleRate;
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@ -311,6 +311,7 @@ private:
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Real m_peakLevel;
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Real m_peakLevel;
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Real m_levelSum;
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Real m_levelSum;
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CWKeyer m_cwKeyer;
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CWKeyer m_cwKeyer;
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CWSmoother m_cwSmoother;
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static const int m_levelNbSamples;
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static const int m_levelNbSamples;
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