public DefaultProfile()
{
Name = "Wang03 guessed default";
SamplingRate = 11025;
WindowSize = 512;
HopSize = 256;
SpectrumTemporalSmoothingCoefficient = 0.05f;
SpectrumSmoothingLength = 0;
PeaksPerFrame = 3;
PeakFanout = 5;
TargetZoneDistance = 2;
TargetZoneLength = 30;
TargetZoneWidth = 63;
double framesPerSecond = (double)SamplingRate / HopSize;
MatchingMinFrames = 10;
MatchingMaxFrames = (int)(framesPerSecond * 30);
var threshold = new ExponentialDecayThreshold {
Base = 0.5,
WidthScale = 2,
Height = 0.3
};
ThresholdAccept = threshold;
ThresholdReject = new ExponentialDecayThreshold {
Base = threshold.Base,
WidthScale = threshold.WidthScale,
Height = threshold.Height / 6
};
HashTimeScale = 1d / SamplingRate * HopSize;
}
public DefaultProfile()
{
Name = "Echoprint default";
SamplingRate = 11025;
WhiteningNumPoles = 40;
WhiteningDecaySecs = 8;
WhiteningBlockLength = 10000; // almost 1 sec
OnsetRmsHopSize = 4;
OnsetRmsWindowSize = 8;
OnsetRmsWindowType = WindowType.Hann;
OnsetMinDistance = 128;
OnsetTargetDistance = 345; // 345 ~= 1 sec (11025 / 8 [SubbandAnalyzer] / 4 [RMS / adaptiveOnsets()] ~= 345 frames per second)
OnsetOverfact = 1.1; // paper says 1.05 but Echoprint sources say 1.1
HashTimeQuantizationFactor = 8;
double framesPerSecond = (double)SamplingRate / SampleToHashQuantizationFactor;
MatchingMinFrames = (int)(framesPerSecond * 3);
MatchingMaxFrames = (int)(framesPerSecond * 60);
var threshold = new ExponentialDecayThreshold {
Base = 0.5,
WidthScale = 2,
Height = 0.12
};
ThresholdAccept = threshold;
ThresholdReject = new ExponentialDecayThreshold {
Base = threshold.Base,
WidthScale = threshold.WidthScale,
Height = threshold.Height / 3
};
HashTimeScale = 1d / SamplingRate * SampleToHashQuantizationFactor;
}
