.~.~ Including one conventional or compatible channel (e.g., two channel NTSC systems)
DEFINITION
Classification: 348/389
Including one conventional or compatible channel (e.g., two channel NTSC systems):
(under subclass 388) Subject matter wherein one channel can be received and utilized by a normal receiver to provide a normal display.
(1) Note. Examples of signals included in the augmentation channels are: Side panels to expand the aspect ratio of the high definition display; high frequency information, both
horizontal and vertical; and extra audio information.
(2) Note. The second or additional channels are often referred to as augmentation channels and normally can not provide a display by themselves. Reception of all channels allows a high definition display.