Noise cancelling headphones don’t work against babies. They are designed for cancelling ambient sound by playing frequencies to cancel out the noise, but can’t predict sudden noises like children crying very well. Earplugs or earbuds do a better job at drowning those out by plugging your ears from outside noises

House at first because it’s the best option for humanity, legion second because you are an undercover operative working against the NCR in hostile territory the whole time, carrying out assassinations, sabatoge, and forging secret alliances which is a metal af playthrough