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Salve Flavio!
Heh.. So much text and yet so little usefull information.
In my opinion it would be very usefull if Dirac would implement control measurement procedure so users can verify how good of a job is filter generated by Dirac actually doing. As long as that doesn't exist users are left on their own and the only thing they can do is either measure the log sweep in same 9 points and average them or they can apply RTA moving microphone method in the same space within those 9 points. In my opinion and in my experience both of these methods would result in a very similar curve and would provide very good insight of Diracs results.
Ciao Krunok
my opinion is different as I think instead that the document that I linked provides a wealth of very valuable information.
One can understand that the frequency (or magnitude) response doesn't tell the whole story with reference to perceived listening results,
time and geometry play an important role.
For example, late reflections should not be corrected and Dirac Live's algorithm can do that thanks to the fact that those late reflections are late because they are bounced by several walls and change with position, Dirac will not correct those as this will be shown by the different measurements in different positions.
It also seems to me that Amirm correctly commented about side reflections in another thread, the subject is discussed in the section "Some reflections are good, some bad"
A measurement in the frequency domain completely removes the information in the time domain and filters that provide the same exact frequency response can have significantly better or worse listening results... tonal balance is important but it's not all, a slightly less linear response can be audibly better depending on a number of factors.
In a few words I think that this document provides much more than "little usefull information" and might even give away more info than necessary about the way Dirac Live works : http://diracdocs.com/on_room_correction.pdf
That's anyhow for our coforumers to judge, Flavio
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