Robin watches the computer screen during the tests. It shows how loud different sounds are. Loud sounds show a tall bar on the screen. Quiet sounds show a short bar on the screen. Click the buttons to see how different sounds look.
JavaScript-enabled browsers show the computer screen displaying a sound meter. There are three buttons, quiet, moderate and loud noise levels. When the user clicks the quiet button, the meter displays a high noise level. When the user clicks the moderate noise butrton, the meter displays a moderate sound level. When the user clicks the loud noise button, the meter displays a loud sound level.
