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/frameworks/av/media/libaaudio/examples/loopback/src/
H A DLoopbackAnalyzer.h85 double correlation = 0.0; local
93 // Use a normalized cross-correlation.
99 correlation = (float) (2.0 * sumProducts / sumSquares);
101 return correlation;
112 double correlation = calculateCorrelation(&haystack[ic], needle, needleSize); local
113 results[ic] = correlation;
121 * Scan until we get a correlation of a single scan that goes over the tolerance level,
136 double correlation = calculateCorrelation(&haystack[ic], needle, needleSize); local
138 if( (correlation > maxCorrelation) ) {
139 maxCorrelation = correlation;
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