First time with Dirac : sanity & expectations check ?

[Jaxjax]

Hi everyone,

Long time lurker, first time poster !

I have recently bought a MiniDSP Flex with Dirac to improve my stereo system (WiiM Pro, Cambridge Audio 651A and Kef Q300). I have tested in the distant past the effect of Trinnov room correction on a demo Dolby Atmos system and my mind was blown, so I was coming to room correction with these expectations.

I have tried a few Dirac setups and filters with the MiniDSP, and besides the slight change of tonality that I requested with the target curve, the effect is barely audible. Now it has me second guessing everything. So far I'm quite disappointed of the result with 1k€ spent on the MiniDSP/UMIK/Dirac...

The room is fairly standard for a residential area with a wall on the left, (2m from MLP), 4m depth and the MLP 2.5m from the front wall. On the right there is no wall, 4m more of room. The Kef are front ported so I put them fairly close to the front wall.

The Dirac setup was done with the "intermediate" focus, a UMIK-1 and I did my best to respect the positions shown on the sketch in the app. This means I put the microphone outside of the couch for the furthest lateral measurements. I also tried to significantly change the Levels were good and the room was quite silent during the measurements.

I joined the before/after on REW, 1/12th octave smoothing (Second picture for R channel : yellow is OFF, green is ON). Does this look normal to you ? I saw a lot of very nice "after" FR over here with dips filled and bumps tamed, kinda jealous to be honest !

Do you have a screen shot of Dirac filter on..?

 

[Aaronb1138]

Nope, he's just another victim of the false information in hifi forums, where PR is being regurgitated to sell equipment to the uneducated masses.

One only has to look, how many people believe that the frequency response was a tell all measurement, while the more important time domain is being ignored.
And where nobody is even talking about hearing and education of the ears.

It's all just a regurgitation of easy to sell PR nonsense.

Room correction is a complete game changer in difficult rooms / environments as well as multichannel.

The first response from Alex-z is the most correct. Adding a sub is the answer to fixing the nulls and they would see a drastic difference between hand tuning the sub settings by ear versus Dirac doing Dirac things with properly balancing the sub fill in and delays and phase.\

I'm not sure what the post I replied to here is trying to sell. On one hand they crap on room correction and with the other they tell us you need to get educated and/or pay a professional. Drifting pretty quickly into subjectivist doublespeak and scam artist unclear language.

 

[gilency]

I got a nice curve with REW alone integrating 2 Rhythmic LV12M subwoofers with my 2 ELX speakers. I have done 3 DL measurements and they don't sound or look better than REW. I have a very deep valley at 100 Hz with DL and changing delay, phase or cross over has no effect on it. Drives me crazy. I will keep trying but I am very happy with the REW eq sound. I had no experience prior to 3 days ago so be kind. The graph is with the 2 SW and 2 speakers together. To be fair, the ELX towers didn’t need much if any correction the main issue was the subwoofers