By default, sound is enabled. You might want to turn the sound off to improve
responsiveness and improve download time.
Add sound to drop down vocabulary lists
When this option is selected, you can hear the pronunciation of the
words within the supplementary vocabulary list by placing the cursor over them.
If you are using Windows Media Player there wil be a slight delay before the
sound initially plays.
is best in terms of sound quality. Currently Real
Player should not be used.