Quote Originally Posted by RGA
The fact that none of these companies gets positives in DBT's is odd IMO because if people can't hear the deliberate reverberation of a Rega Planet CD player(which is a deliberate attempt to alter the sound to make it different) then I wonder about the tests...then again perhaps that specific unit was not tested.
Well, maybe one would get a positive result under DBT for just such a component IF the 'reverb' is great enough. Being under DBT is not a masking condition of differences. Actually, the senses are even sharper as you are not distracted by other sensory inputs.

One of my citations for JND, just noticable differences, is a peer paper for threshold detections. Conducted under forced choice DBT. It works. Just because it doesn't produce answers one wants or thinks it should is not an indication of DBts inability to deliver results.