I have recorded the type of audio crackle I have been encountering in case it might provide some information on whats wrong I am also experiencing this on the default settings as well as trying to adjust settings lower. The audio will still continue to output a popping noise even with the emulation paused but the emulator still running, I have to stop all emulation completely and go back to the main menu to get it to stop.
I had used ppsspp on my previous PC without any issues (aside from the jeanne d'arc text being wonky but thats the games fault) but now on my new PC I am getting constant audio crackle once the emulator is running, I have tried on multiple games to text if they were bad rips/patches but so far seems to be anything. I had done some searching and found similar issues but nothing as consistent as mine so I'm at a loss and was hoping someone here could point me in the right direction. I'm having a seemingly unique problem with audio crackle. I tried posting this elsewhere but it does not look like it works, so I apologize if this ends up a double post.