Record producers are always trying to get an edge over competition and will try any trick in the book to improve the perceived quality of their recordings. Witness the mastering limiter, SA-CD, surround sound, exciters, et al. All of those either lost favor, never took hold, or became self-limiting in the case of the loudness wars (wonky engineering pun intended).
Now we stand at a crossroads in regards to the next great leap in sound technology. It could be argued that the la...