My speakers can very well play until 25khz, however, infotainment is restricting anything beyond 10k.
BHPian lucksin recently shared this with other enthusiasts.
I have been struggling for a few days now trying to tune my DSP to get a relevant better sound and it all failed miserably. My initial steps were to cut and boost the bands to see what works and what does not.
I was shooting in the dark thinking at least something would work however everything failed. The best I could do was time aligned and able to get somewhat of a front stage, yet no centre stage.
I ordered an RTA mic to understand what I am dealing with and below are the EQ curves that I am dealing with:
If you check the Front, there is a boost at 40hz, then it rolls down till 100, where there is another boost at 200hz then it gradually rolls down till 1.5khz, there is another boost at 5khz mark.
Compared to the rear which has no boost until 100hz and then gradually increases until 10k.
Also, My speakers can very well play until 25khz, however, infotainment is restricting anything beyond 10k. however, it doesn’t matter much but still. The above samples were taken with a flat DSP setting with pass-through. Also, there is a difference of 10db of sound level between the front and rear. The rear is lower.
It is for FYI for everyone trying to upgrade speakers on stock infotainment.
Here’s what BHPian Rehaan had to say on the matter:
Interesting data lucksin, thanks for sharing.
Re-uploading the charts with X and Y axis labels shown would really be helpful….
Absolutely hate this cost-cutting trend!! Happens not only in budget hatchbacks, but even 20+ lakh SUVs.
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