>foreign languages sound louder because you can't understand them. More bluntly, your brain process languages you don't know simply as noise. It's kind of eas

>foreign languages sound louder because you can't understand them. More bluntly, your brain process languages you don't know simply as noise. It's kind of easy to hear this from yourself, too: Speak a sentence, but pretend very hard that you aren't hearing the sounds coming out of your mouth as words. You will probably quickly find your "noise" grating.