Shofar During Mussaf

Our shul blows shofar during the silent shmoneh esrei of mussaf. A cousin of mine, who hails from a shul which does not blow, disapproved. If you went too slow or too fast, your concentration would be disrupted. If the ba'al tokeah wasn't up to snuff, a quick shofar blowing could turn into a long, drawn out production, and a rather painful one at that.
I didn't find it that distracting, then again, I've always davened in a shul that did blow shofar then...

Of course, there's also the discussion on whether you blow inflected or straight...