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comparison AutocorrelationProcessor.cpp @ 27:a3a37c8dcee7

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* Fixed bug causing ACT not to work
author Carl Bussey <c.bussey@se10.qmul.ac.uk>
date Wed, 20 Aug 2014 16:48:54 +0100
parents ff6110f1144b
children 723af5b3303a
comparison
equal deleted inserted replaced
26:ff6110f1144b 27:a3a37c8dcee7
46 46
47 vector<float> AutocorrelationProcessor::processBlock() const 47 vector<float> AutocorrelationProcessor::processBlock() const
48 { 48 {
49 vector<float> autocorrelation; 49 vector<float> autocorrelation;
50 50
51 int N = m_windowLength/m_lagIncrement; 51 int N = m_windowLength;
52 52
53 for (int lag = 0; lag < N; lag++){ 53 for (int lag = 0; lag < N; lag++){
54 float sum = 0; 54 float sum = 0;
55 55
56 for (int n = 0; n < (int)m_windowLength-lag; n++){ 56 for (int n = 0; n < N-lag; n++){
57 sum += m_blockInput[lag]*m_blockInput[n+lag]; 57 sum += m_blockInput[n]*m_blockInput[n+lag];
58 } 58 }
59 autocorrelation.push_back(sum/(2*N + 1 - lag)); 59 autocorrelation.push_back(sum/(2*N + 1 - lag));
60 } 60 }
61 61
62 return autocorrelation; 62 return autocorrelation;