SIGGRAPH 97
Video Formats
What's the (color) Difference -continued
    Composite a single signal combining image, sync, blanking, and color
    Y/C a signal that contains a luminance channel (Y) and a Chrominance channel (C). This allows for higher quality recording.
    S-Video Y/C format used in industrial quality video devices such as S-VHS and Hi-8. Connection is usually through a 4 Din connector.

NOTES: There is often confusion in the differences between S-Video and S-VHS, and this confusion is understandable. Both refer to some version of equipment that uses a Y/C signal. Usage varies by industry and region. Generally, S-Video is a popular name for equipment that accepts a Y/C signals and S-VHS is a recording format that uses Y/C,