A while back I posted a glowing review of the video performance of the T2i / 550D camera. I'm coming back now to review the audio quality and frankly there is not much to say.
The external microphone jack works well, and the T2i still uses AGC (Auto Gain Control) that automatically increases the gain (volume) on the microphone when things are quiet. That's fine for impromptu video where you don't necessary know what the noise levels will be, or aren't using an external microphone. The 7D also forces use of AGC but the 5D2 does not since 2.0.4 of the...