Icons are like book covers. Whether consciously or unconsciously, icons can attract or repel. When a large array of choices are presented, say in the App Store environment, it is normal to gravitate towards icons that attract. That means the "perfect" app may not even be considered because the icon doesn't invite investigation. mp4 to dvd converter Guide covers removing hiss, hum and other bad noises from audio files using SoundForge. Also how to add back proper tones and richness to imperfect audio.