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SSB demod: adjusted AGC target and audio volume multiplication factor

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This commit is contained in:
f4exb 2017-07-25 01:22:16 +02:00
parent 94704ab7b2
commit 2b2f68a73c
1 changed files with 6 additions and 6 deletions
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12
plugins/channelrx/demodssb/ssbdemod.cpp
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@ -32,7 +32,7 @@ SSBDemod::SSBDemod(BasebandSampleSink* sampleSink) :
m_audioFlipChannels(false), m_audioFlipChannels(false),
m_dsb(false), m_dsb(false),
m_audioMute(false), m_audioMute(false),
m_agc(12000, 4.0, 1e-2), m_agc(12000, 40.0, 1e-2),
m_sampleSink(sampleSink), m_sampleSink(sampleSink),
m_audioFifo(4, 24000), m_audioFifo(4, 24000),
m_settingsMutex(QMutex::Recursive) m_settingsMutex(QMutex::Recursive)
@ -173,19 +173,19 @@ void SSBDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
{ {
if (m_audioFlipChannels) if (m_audioFlipChannels)
{ {
m_audioBuffer[m_audioBufferFill].r = (qint16)(sideband[i].imag() * m_volume * agcVal * 100); m_audioBuffer[m_audioBufferFill].r = (qint16)(sideband[i].imag() * m_volume * agcVal * 10);
m_audioBuffer[m_audioBufferFill].l = (qint16)(sideband[i].real() * m_volume * agcVal * 100); m_audioBuffer[m_audioBufferFill].l = (qint16)(sideband[i].real() * m_volume * agcVal * 10);
} }
else else
{ {
m_audioBuffer[m_audioBufferFill].r = (qint16)(sideband[i].real() * m_volume * agcVal * 100); m_audioBuffer[m_audioBufferFill].r = (qint16)(sideband[i].real() * m_volume * agcVal * 10);
m_audioBuffer[m_audioBufferFill].l = (qint16)(sideband[i].imag() * m_volume * agcVal * 100); m_audioBuffer[m_audioBufferFill].l = (qint16)(sideband[i].imag() * m_volume * agcVal * 10);
} }
} }
else else
{ {
Real demod = (sideband[i].real() + sideband[i].imag()) * 0.7; Real demod = (sideband[i].real() + sideband[i].imag()) * 0.7;
qint16 sample = (qint16)(demod * m_volume * agcVal * 100); qint16 sample = (qint16)(demod * m_volume * agcVal * 10);
m_audioBuffer[m_audioBufferFill].l = sample; m_audioBuffer[m_audioBufferFill].l = sample;
m_audioBuffer[m_audioBufferFill].r = sample; m_audioBuffer[m_audioBufferFill].r = sample;
} }