With Pc Audio Visualizer, you can view the graph of the current sound being played back. When listening to a song or an internet radio, recording an audio file, this application displays the waveform of the sound. It is fun to see how the waveform behaves when different types of sound are played back: music, voice, instruments, song, etc. The screenshot that is displayed gives you an overview of what PC Audio Visualizer can do. It is entirely free and it is compatible with Windows XP and 7/Vista/2000/2003.