As far as I know Dr. Toole is not a recording engineer, and he hasn't mixed music professionally if at all. I don't think he's a musician either, so that probably affects his opinions.
据我所知,Toole 博士不是录音工程师,也没有专业混过音,我也不认为他是音乐家,所以这可能会影响他的观点。by Ethan Winer
http://ethanwiner.com/early_reflections.htm