Machine Learning for Makers: How to Modulate an Arduino’s Sound

import vsync.*; // Importing the library that will help us in sending and receiving the values from the Arduino
import processing.serial.*;  // Importing the serial library

// Below libraries will connect and send, receive the values from wekinator
import oscP5.*;  
import netP5.*;

// Creating the instances
OscP5 oscP5;
NetAddress dest;
ValueSender sender;

// These variables will be syncronized with the Arduino and they should be same on the Arduino side.
public int output;
public int output1;


void setup() 
{
  // Starting the serial communication, the baudrate and the com port should be same as on the Arduino side.
  Serial serial = new Serial(this, "COM10", 19200);
  sender = new ValueSender(this, serial);
  
  // Synchronizing the variables as on the Arduino side. The order should be same.
  sender.observe("output");
  sender.observe("output1");
  
  // Starting the communication with wekinator. listen on port 12000, return messages on port 6448
  oscP5 = new OscP5(this, 12000); 
  dest = new NetAddress("127.0.0.1", 6448);
}

// Recieve OSC messages from Wekinator
void oscEvent(OscMessage theOscMessage) {
  if (theOscMessage.checkAddrPattern("/wek/outputs") == true) {
    // Receiving the output from wekinator
    float value = theOscMessage.get(0).floatValue(); // First output
    float val = theOscMessage.get(1).floatValue();  // Second output
    
    // Converting the output to int type
      output = int(value);
      output1 = int(val);
  }
}

void draw() 
{
  //  Nothing to be drawn for this example
}

#include <VSync.h>    // Including the library that will help us in receiving and sending the values from processing
ValueReceiver<2> receiver;  /*Creating the receiver that will receive up to 2 values. 
Put the number of values to synchronize in the brackets */

/* The below two variables will be synchronized in the processing 
and they should be same on both sides. */
int output;
int output1;

// Pin connected to buzzer
int buzzer = 9;
int buzzer1 = 10;
int i,j;
void setup() 
{
  /* Starting the serial communication because we are communicating with the 
  Arduino through serial. The baudrate should be same as on the processing side. */
  Serial.begin(19200);
  
  // Synchronizing the variables with the processing. The variables must be int type.
  receiver.observe(output);
  receiver.observe(output1);
  
    // Defines the Buzzer pins as output 
    pinMode(buzzer,OUTPUT);    
    pinMode(buzzer1,OUTPUT);    
}

void loop() 
{
  // Receiving the output from the processing.
  receiver.sync();
  
  // Making the buzzer to beep according to the output from the processing
    tone(buzzer1, output);
    delay(5);
    noTone(buzzer1);
    
    tone(buzzer,output1);
    delay(5);
    noTone(buzzer);
}