My laptop is playing loud, distorted sounds

Hey there! So, as you read in the title, my laptop is making loud, distorted sounds.
I'm going to give a full explanation of what happened when it started.
I was playing a game on my computer. I noticed my frames were low, so I lowered some of the video settings. After applying, the game worked for a little bit and then crashed. Then, I was hearing very strange noises. I noticed it was playback of what I was saying in my mic, but much more loud, squeaky and distorted, which was strange. I closed all applications and still heard the sounds. I unplugged my headphones and the noises instead came out of my computer speakers. The only solution is muting my volume, but when I turn it back up I still hear those sounds! It's really weird and annoying! And what's even weirder is that it's just playing back whatever is going through the mic. If any more information is needed please let me know!
 
It somehow stopped, thankfully. I'm not sure what it was but I hope it doesn't happen again. Thanks for the help :)
 
No probs come back if it does it again, also look into newer realtek hd audio drivers for it.
That could be the main issue as to why your sounds just got distorted all of a sudden.
 
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