Wow! I’ve never heard of such a thing—other than Skype or something. Conversation audio playing through the computer... very strange!
Maybe, it wasn’t, maybe there was really someone in the house.
My husband never takes these things seriously, so he just didn’t do anything when he heard it.
The IT guy at his office told us that we had 5 people logging onto our computer every single time we got on the internet, but he couldn’t tell who it was.