Farangs are often thought to be noisy people. On many occasions I sat on the BTS (the Bangkok subway) at rush hour, with Thai people speaking on the phone or talking to each other, but always in a very quiet atmosphere. And then you have a group of big Farangs stepping in, laughing out loud and getting everyone's attention. We are what we are, and we speak like we speak, but the Thais usually like to keep their voice down (except my wife, can you believe it), so if you want to show your good manners, you shouldn't speak too loud in closed public spaces.