Its amazing to see how many bad trumpet recordings there are on youtube. Some of it is due to player ablities, but a lot of it I've found just has to do with poor recording. Bad microphone choiceness, placement and to some extent the environment it was recorded in as well. Lately I've been trying to find good youtube clips of trumpet players and its been really hard.
I wanted to start recording my progress so I could study it later and tried using the Blue Ball HD I had and man... that thing sucks. Anyways, I find it odd that people spend so much money on their trumpets and so little money on the equipment used to record it.