General name for processors that produce special effects such as wipes, mixes, chroma key and solarisation. Special effects take of cpu power when done digitally in a computer so it is not generally possible to do it in real time, therefore a seperate effects unit is usually essential. Incorporated into most modern vision mixer units.
Special Education Grant. A grant provided to all schools to assist students with moderate special education needs. The amount is based on the school's decile ranking and roll size.
Special effects generator; also known as a video switcher or video mixer. A device that enhances video productions in a number of ways, including performing clean, synchronized transitions between two source VCRs (A/B-roll editing).