Pro Cam let Lumia 920 to get two-channel stereo recording quality

Lumia 920 since the launch of the official claim that it is to have Rich Recording technology, but compared to the Nokia 808 PureView two-channel stereo recording, Lumia 920's Rich Recording technology can only achieve a single-channel recording, of course, the reason why there is such difference obtained because Windows Phone 8 system limitations caused obtained.

But to get Amber update, Lumia 920 users can be achieved Pro Camera app video channel stereo recording. But I believe this change is necessary to carefully compare perceived.