After recording I sometimes don't get a grade
I've been facing a nasty bug for months now. About 20% of the time when I come to a recording question, I record my answer, but the service calls that grade my input never return. My microphone works properly and I can playback my recordings. Another user reported this on reddit, see their issue b http://np.reddit.com/r/duolingo/comments/1r3uky/random_microphonerecording_problems/. This is quite frustrating since I have to turn the mic off pretty much every lesson and then back on before the next.
I haven't noticed this on the mobile version, just on the website. Anyone have a solution or is this a known bug that I will need to deal with?