I couldn't load kernel 5.5 because secure boot was turned on. My bad, sorry.
I was able to test the sound with kernel 5.5 after disable secure boot but there is no improvement. The audio is still bad. I'm attaching another file. It sounds like it's a cassette player running out of battery.
I couldn't load kernel 5.5 because secure boot was turned on. My bad, sorry.
I was able to test the sound with kernel 5.5 after disable secure boot but there is no improvement. The audio is still bad. I'm attaching another file. It sounds like it's a cassette player running out of battery.