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| author | John Glover <glover.john@gmail.com> | 2010-10-19 17:19:31 +0100 |
|---|---|---|
| committer | John Glover <glover.john@gmail.com> | 2010-10-19 17:19:31 +0100 |
| commit | b46b988f164f983fc889c7bc0c96953e4609d27a (patch) | |
| tree | cf75870f5cebc9eebe4d7540aa509d5eb89308b2 /sms/analysis.c | |
| parent | 30755b92afeae5a5a32860b4f4297180f6d3398d (diff) | |
| download | simpl-b46b988f164f983fc889c7bc0c96953e4609d27a.tar.gz simpl-b46b988f164f983fc889c7bc0c96953e4609d27a.tar.bz2 simpl-b46b988f164f983fc889c7bc0c96953e4609d27a.zip | |
SMS bug fix, peak magnitudes from SMSPeakDetection were in db instead of linear.
Diffstat (limited to 'sms/analysis.c')
| -rw-r--r-- | sms/analysis.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sms/analysis.c b/sms/analysis.c index 87e5222..3f46e5f 100644 --- a/sms/analysis.c +++ b/sms/analysis.c @@ -222,6 +222,11 @@ int sms_findPeaks(int sizeWaveform, sfloat *pWaveform, SMS_AnalParams *pAnalPara pSpectralPeaks->nPeaksFound = pAnalParams->ppFrames[iCurrentFrame]->nPeaks; pSpectralPeaks->nPeaks = pAnalParams->peakParams.iMaxPeaks; pSpectralPeaks->pSpectralPeaks = pAnalParams->ppFrames[iCurrentFrame]->pSpectralPeaks; + /* convert peak amps to mag */ + for(i = 0; i < pSpectralPeaks->nPeaksFound; i++) + { + pSpectralPeaks->pSpectralPeaks[i].fMag = sms_dBToMag(pSpectralPeaks->pSpectralPeaks[i].fMag); + } return pSpectralPeaks->nPeaksFound; } else @@ -253,8 +258,8 @@ void sms_setPeaks(SMS_AnalParams *pAnalParams, int numamps, float* amps, for(i = 0; i < numamps; i++) { - /* copy current peaks to the previous frame's peaks */ - currentFrame->pSpectralPeaks[i].fMag = amps[i]; + /* copy current peaks data */ + currentFrame->pSpectralPeaks[i].fMag = sms_magToDB(amps[i]); currentFrame->pSpectralPeaks[i].fFreq = freqs[i]; currentFrame->pSpectralPeaks[i].fPhase = phases[i]; } |