[Vorbis] OGG compression optimization

[Gregory Maxwell]

On Sat, Aug 27, 2011 at 1:36 PM, Sevana Oy <sales at sevana.fi> wrote:
> Thanks for joining the discussion. Yes, AQuA is "a yet another electronic
> ear", but it's not one of pre-existing algorithms, 100% new approach. All
> AQuA customers (that do exist in VoIP and telco) are not tied up with patent
> use and royalties.

All I can find on the pages there in a quick look is comparisons with
AQuA and PESQ. Are there no studies showing good agreement between
AQuA and real listening test results in large comparisons?