Thank you for your assistance, but I am still attempting to fix these intermittent crashes. My sound card (an HT OMEGA STRIKER 7.1) seems to have the latest drivers. However I have also tried completely uninstalling it from the computer, and still got BSODs. My system information remains the same as in the first post, but I'm attaching new recent dump files, in case they indicate any sort of difference from the originals. The BSODs seem to happen both while I'm actively using the computer, and when it's relatively idle.
I'm starting to think that this may be a hardware problem, though I'm not sure what. Any further help would be appreciated, thank you very much.