The 21st International Congress on Sound and Vibration (ICSV 21) has been held in Beijing, China from July 13-17, 2014.  Dr. Siu-Kit Lau has presented a study of the acoustic comfort in the hospital of Palomar Pomerado Health (PPH).  The study has evaluated the effects of flooring and ceiling choices on controlling “corridor activity noise” in an occupied hospital.  Before the meeting, we had a gathering with Prof. Jian Tian (Chairman of ICSV 21), Prof. Jian Kang (University of Sheffield), Prof. Joseph Lai (University of New South Wales), Mr. Maurice Yeung (HK-EPD), Dr. Siu-Kit Lau and many others.