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Terms and Glossary

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Jitter

The variation in timing and/or displacement upon transmission or arrival of digital signal. High Jitter can severely degrade the performance of an otherwise ideal system by introducing unwanted noise at the receiver

JPEG

Joint Photographic Experts Group. An international standards group functioning under ISO and IEC, developing international standards for image compression algorithms for continuous-tone still color pictures

Judder

A temporal artifact associated with moving images when the image is sampled at one frame rate and converted to a different frame rate for display. As a result, motion vectors in the display may appear to represent discontinuously varying velocities

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