In spite of everything, cinemas are still around - though they now pack eight screens into the space previously occupied by one, which makes it a rather less impressive experience.
There are many advantages of watching a DVD, and one is that you can choose the language (both for the dialogue and the subtitles). Similarly, NICAM allows Hong Kong TV to offer viewers a choice of languages (Cantonese and English, or Cantonese and Mandarin, or Cantonese and Japanese).
Hong Kong cinemas seem to be moving in the opposite direction, and currently offer many English language films dubbed into Cantonese with Chinese subtitles. If you want the English version you have to go to Pacific Place or Kowloon Tong or one or two other locations.
Which makes me wonder whether a NICAM facility could be made available in cinemas. Obviously they could only offer one main language, but if airlines can give out headsets for customers, why couldn't cinemas do the same thing?