Abstract: This paper analyses the case study results in eight types of public buildings, includ-ing railway stations, shopping malls, libraries, open plan offices, football stadia, swimming spaces, dining spaces, and churches, aiming at examining relationships between subjective and objective indices, as well as principles and framework for creating comfortable acoustic environments in such′ non-acoustic′ buildings. It is revealed that acoustic quality is an important consideration in these buildings, and it may vary considerably with the same objective acoustic indices such as sound pressure level and reverberation time. Key factors to be considered include social demographic background, psychological adaptation, sound preference, preference of acoustic treatments, interactions between acoustic and other environmental factors, and possible health effects of unsatisfactory acoustic quality.