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dft: warn when max amplitude at boundary of freq bins

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This commit is contained in:
Manuel Pitz 2021-06-23 20:28:00 +02:00
parent 15a71df357
commit b26625184f
1 changed files with 2 additions and 0 deletions
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2
lib/hooks/dft.cpp
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@ -372,6 +372,8 @@ public:
} }
if (freqEstType == FreqEstimationType::QUADRATIC) { if (freqEstType == FreqEstimationType::QUADRATIC) {
if (maxPos < 1 || maxPos >= freqCount - 1)
logger->warn("Maximum frequency bin lies on window boundary. Using non-estimated results!");
else { else {
Point a = { absDftFreqs[maxPos - 1], absDftResults[i][maxPos - 1] }; Point a = { absDftFreqs[maxPos - 1], absDftResults[i][maxPos - 1] };
Point b = { absDftFreqs[maxPos + 0], absDftResults[i][maxPos + 0] }; Point b = { absDftFreqs[maxPos + 0], absDftResults[i][maxPos + 0] };