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/frameworks/av/media/libaaudio/examples/loopback/src/
H A DLoopbackAnalyzer.h710 double cosMean = mCosAccumulator / mFramesAccumulated; local
711 double magnitude = 2.0 * sqrt( (sinMean * sinMean) + (cosMean * cosMean ));
714 double phase = M_PI_2 - atan2( sinMean, cosMean );

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