Nicam
/ˈnaɪkæm/(亦作NICAM)
noun
mass noun
- a digital system used in British television to provide video signals with high-quality stereo sound（英国电视使用的）丽音数字系统（能提供高质量立体声视频信号）。
词源
1980s: acronym from near instantaneously companded （i.e. compressed and expanded） audio multiplex.