MidiMagic
2K Club - QQ Super Nova
- Joined
- Jul 5, 2010
- Messages
- 2,275
This is what I had read too. There were several articles about it in the 1980s.I don't have a ready reference, but I thought that the QS variomatrix was used by Dolby Labs for Pro-Logic decoders in the theatrical systems.
Kirk Bayne