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Freq Scanner Voice squelch: eliminate formants outside audio band

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This commit is contained in:
f4exb 2026-02-15 18:22:23 +01:00
parent bc49e37f8b
commit 37afa7be74
1 changed files with 11 additions and 2 deletions
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13
plugins/channelrx/freqscanner/freqscannersink.cpp
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@ -342,8 +342,17 @@ Real FreqScannerSink::voiceActivityLevel(int bin, int channelBins, bool isLSB) c
}
}
peakBins.append(peakBin);
peakMags.append(peakMag);
// Calculate frequency offset from carrier
// For USB: carrier is at startBin, voice extends upward
// For LSB: carrier is at endBin, voice extends downward
int carrierBin = isLSB ? endBin : startBin;
float freqOffset = std::abs(peakBin - carrierBin) * binBW;
// Only include peaks within SSB voice bandwidth (0-3000 Hz from carrier)
if (freqOffset <= 3000.0) {
peakBins.append(peakBin);
peakMags.append(peakMag);
}
}
i += step;
}