uspeech.h

/*
 uspeech v.4.x.x
 2012 Arjo Chakravarty
 
 uspeech is a library that allows sounds to be classified into certain phonemes
 on the Arduino. This creates a simple beginning for a full scale voice recognition
 program.
 */
#ifndef uspeech_h
#define uspeech_h

#define ARDUINO_ENVIRONMENT 1
#if ARDUINO_ENVIRONMENT > 0
    #include "Arduino.h"
#endif

#include <math.h>
#include <stdlib.h>
#define SILENCE 2000
#define F_DETECTION 3
#define F_CONSTANT 350

class signal{
public:
    int arr[32];  
    int avgPower;
    int testCoeff;
    int minVolume;  
    int fconstant;  
    int econstant;  
    int aconstant;  
    int vconstant;  
    int shconstant; 
    bool f_enabled; 
    int amplificationFactor; 
    int micPowerThreshold; 
    int scale;
    char phoneme;   
    signal(int port);
    int micPower;
    void sample();
    unsigned int maxPower();
    unsigned int power();
    int snr(int power);
    void calibrate();
    char getPhoneme();
    int calib;
private:
    int pin;
    int mil;
    int maxPos;
    bool silence;
    unsigned int overview[7];
    unsigned int complexity(int power);
};

class syllable{
public:
    int f,e,o,s,h,v; 
    syllable(); 
    void classify(char c); 
    int* tointptr(); 
    #if ARDUINO_ENVIRONMENT > 0 
    void debugPrint(); 
    #endif
};

#endif