There are actually some bugs in IE 9 and Firefox 13 that prevent text-to-speech from working properly. We plan to have these fixed in the next update, but in the meantime I recommend downgrading to Firefox 12 or using Google Chrome.
For more information, please see this thread: http://www.lingq.com/learn/en/forum/2/15277/
For more information, please see this thread: http://www.lingq.com/learn/en/forum/2/15277/
Aqui FF 12 ta funcionando normalmente.


