Sound problems with Mozilla.
The synthesized voice is not working at all when I use Duolingo in Mozilla Firefox. This is a new problem today. It worked fine yesterday. I was able to do a couple of lessons by using Chrome instead of Firefox. It also seems to work fine in Safari. Any ideas?
I have the same problem but didn't see the thread here so I wrote to customer support and they replied within a few minutes. I'll let you know once I've found the solution.
Happy to help. There are a few reasons why this might be happening. It’s possible that you have an outdated version of Flash installed, you installed browser extensions that block Flash (i.e. Flashblock), or that Flash crashed.
Here’s what I suggest you do: 1. Try reloading the page in your browser. 2. Try quitting and restarting your browser. 3. If 1 and 2 don’t do the trick, update Flash Here’s a helpful link to get you on your way: http://www.adobe.com/go/EN_US-H-GET-FLASH 4. Try removing/disabling browser extensions Some tips for how to do that in specific browsers: Chrome - http://support.google.com/chrome/bin/answer.py?hl=enanswer=113907 IE - http://windows.microsoft.com/en-us/windows-vista/internet-explorer-add-ons-frequently-asked-questions Firefox - http://support.mozilla.org/en-US/kb/disable-or-remove-add-ons#w_how-to-disable-extensions-themes-and-plugins Let me know if this helps you!
I can't be sure I've found the cause, but I found out that disabling EFF's HTTPS Everywhere extension makes Duolingo work just fine again. I've contacted Duolingo support so they can fix this. Do you have any extensions which could be responsible for such a change in behavior?