Arduino: VOX Voice Operated Transmit

/*
14CORE TEST CODE FOR SOUND DETECTION
*/
int MySound = 4;   // Sound Sensor Connected to Pin 4
int MyRelay = 5;  // Relay Module in Connected to Pin 5

void setup()
{
  pinMode(MyRelay, OUTPUT);
  pinMode(MySound, INPUT);
}
void loop()
{
  if (digitalRead(MySound) == HIGH) 
  {                
    digitalWrite(MyRelay, HIGH);
    delay(10);    
  } else {
    digitalWrite(MyRelay, LOW);
  }
}