Cepstral Pitch Tracker

#ifndef _NOTE_HYPOTHESIS_H_

#define _NOTE_HYPOTHESIS_H_

#include <vector>

/**

 * An agent used to test an incoming series of instantaneous pitch

 * estimates to see whether they fit a consistent single-note

    struct Estimate {

        Estimate() : freq(0), time(), confidence(0) { }

            freq(_f), time(_t), confidence(_c) { }

        bool operator==(const Estimate &e) const {

            return e.freq == freq && e.time == time && e.confidence == confidence;

        }

	double freq;

	double confidence;

    };

    typedef std::vector<Estimate> Estimates;

    struct Note {

        Note() : freq(0), time(), duration() { }

            freq(_f), time(_t), duration(_d) { }

        bool operator==(const Note &e) const {

            return e.freq == freq && e.time == time && e.duration == duration;

        }

	double freq;

    };

    /**

    Estimates m_pending;

};

#endif