No audio from capture card

[Flameon]

I have had my capture card for my 3ds for almost a year now. I did the full install including the audio cable. It was working fine for months. Then one day i plug my ds in and i get video but no audio. I noticed that every now and then when i plug the ds in i get a brief loud static sound then still no audio. I tried different cables and ports on my pc with no luck. I uninstalled and reinstalled the driver for the capture card with no luck. I tried a fresh install of the software and even tried it on another computer. No matter what i try i can not get audio. I took the 3ds apart to verify that the solder points are still good and that everything for the capture card is plugged in correctly. I’m wondering if the audio path has failed on the capture card