Problem with recording

[Velcrocity]

I am experiencing a problem about voice recognition.
Here is screenshots.

Of course I did not say it twice, but somehow Duo duplicated what I said. This seemed to happen right after Duo finished listening to my voice.

I cannot use Duolingo app right now due to this problem which I also have been experiencing for about two days.
Chrome version is 36.0.1985.81 and my device is Nexus 7 (2012).
Can someone help me please?