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NFM demod: adjustments to AF squelh parameters

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This commit is contained in:
f4exb 2015-09-13 18:17:15 +02:00
parent e16b3a247b
commit 6b29864484
2 changed files with 3 additions and 3 deletions
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2
plugins/channel/nfm/nfmdemod.cpp
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@ -57,7 +57,7 @@ NFMDemod::NFMDemod() :
m_AGC.resize(240, m_agcLevel); m_AGC.resize(240, m_agcLevel);
m_ctcssDetector.setCoefficients(3000, 6000.0); // 0.5s / 2 Hz resolution m_ctcssDetector.setCoefficients(3000, 6000.0); // 0.5s / 2 Hz resolution
m_afSquelch.setCoefficients(24, 1200, 48000.0, 4, 0); // 4000 Hz span, 250us m_afSquelch.setCoefficients(24, 600, 48000.0, 200, 0); // 4000 Hz span, 250us, 100ms attack
DSPEngine::instance()->addAudioSink(&m_audioFifo); DSPEngine::instance()->addAudioSink(&m_audioFifo);
} }

4
sdrbase/dsp/afsquelch.cpp
View File

@ -197,7 +197,7 @@ bool AFSquelch::evaluate()
if (open) if (open)
{ {
if (m_samplesAttack && (m_attackCount < m_samplesAttack)) if ((m_samplesAttack > 0) && (m_attackCount < m_samplesAttack))
{ {
m_isOpen = false; m_isOpen = false;
m_attackCount++; m_attackCount++;
@ -210,7 +210,7 @@ bool AFSquelch::evaluate()
} }
else else
{ {
if (m_samplesDecay && (m_decayCount < m_samplesDecay)) if ((m_samplesDecay > 0) && (m_decayCount < m_samplesDecay))
{ {
m_isOpen = true; m_isOpen = true;
m_decayCount++; m_decayCount++;