Jake lays out the three major sound issues in homes--inside/out, room-to-room, sources of noise inside the home. Pete draws analogies between early 1980s airport noise abatement and early air tightness work. Steve, always listening carefully, finally offers how he designs for sound management.
Pete's resource: BuildingGreen feature article: "BuildingGreen...Quietly: Noise Pollution and What to Do About It." - https://www.buildinggreen.com/feature/building-green-quietly-noise-pollution-and-what-do-about-it