TOPIC:

Hi,

i am facing an issue of the delays and trim going haywire when i tried creating custom curve.

Auto Target

Custom

the first picture is generated from DIRAC auto target and 2nd picture is the one that i have adjusted the curve.

can anyone enlighten me on this issue?

It looks like it is having difficulty with channel 3, which presumably is the sub. When you do the levels check, is everything in the green? I'm also wondering if you have any environental noise. If you have lowpass filters enabled anywhere in the chain, try disabling them (or set to max frequency if they can't be disabled).

ya, everything in the green.
i have done gain matching for both of my subs (rythmik f15hp and fv15hp). nearfield 95dB, MLP 76dB.
when level checks, the subs level is -23dB to make sure it is around -12dB, in the Green zone.
no lowpass filters.
no environmental noise as well, during DIRAC calibration, the silence zone is relatively flat.

Update
i have re-calibrate again and this time does not have this issue anymore but i am facing another issue is that DIRAC set a value to my subwoofer(channel 3) delay. i have done time-alignment and input delay into minidsp 2x4 base on distance calculation. after this DIRAC shoudlnt set any delay to the subwoofer right?

here is my re-calibrated result

Update
i re-calibrate again and now this time both auto and custom gave the same delay and trim.

I guess I'm just not understanding how you can be getting a 23dB gain adjustment range if all your levels on the volume calibration screen are in the green.