Originally Posted by Rolski
"Our own" Bob Stuart has recently conducted more research into Acoustics & Psycho-Acoustics, the end result being MQA.... And he has, as you should do, produced and published papers on this. If it's all nonsense, he'll be called-out on it. His findings are - and please correct me if I'm wrong here - that the previous assumption of 96/24 being the upmost necessary limit was a little "light" - and that 192/24 is the level which provides bandwidth above which it's no longer important for human hearing.

Bob originally thought that resolution only marginally greater than red book standard was required. But further research and assimilation of new thinking led Meridian to very bravely repudiate their former position with the presentation of MQA. In a sense this is similar to the scenario I outlined above in respect to jitter and the development of the 808. What we measure and what we can measure changes over time and can lead to startling new conclusions.

As for the research paper linked above, I think that the research was originally commissioned and hence paid for by two companies (Vertex and Nordost) for their own commercial use. But the research was conducted by the University of Manchester, not in-house. The only information I have here is what is in the link. It seems that the idea was to develop a measuring technique which both companies could use themselves and possibly sell to the rest of the industry. The recession brought the project to a premature end.


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