If there's one thing that Firefox perhaps lacks, it's sounds and audio alerts when you encounter certain issues or perform certain actions while browsing.
Noise is a Firefox extension which plays a sound (a WAV file you of your choice) to accompany certain events. For example, if a popup is blocked, you can hear a "beep" sound or if a new tab is opened, you can hear a swishing sound. In fact, you can add sounds to just about any major action that you can perform in Firefox.
After you've installed Noise, you can go into the Add-ons Manager and select Tools > Add-ons > Extensions where you will find a preferences button for Noise. You can select whether you want to enable sounds at all, and then you can go through each action one by one, selecting the sound that you want to hear. By default, they're all set to bleep which is a bit unimaginative. If you want to add your own sound, you'll have to browse to a WAV file. It's a shame that it only works with WAV files too because they're rather large for such a simple tool and you'd hope that in future version, MP3 support is added.
If you like your browsing to be accompanied by lots of sounds, then Noise can give some life to Firefox.
