1. I reviewed the Trinaural here: http://www.stereophile.com/musicintheround/904music/index1.html
2. The VAS and the Trinaural derive (synthesize or extract) the center channel from a stereo signal. It is not quite the same as a discrete 3 channel (SACD) signal.
2. The VAS and the Trinaural derive (synthesize or extract) the center channel from a stereo signal. It is not quite the same as a discrete 3 channel (SACD) signal.