Glossary of Home Theater Terminology
Glossary of Audio, Video and Home Theater Terms
There is a very large vocabulary of technical and descriptive terms that go with home theater. We've included the terms that you are most likely to encounter. If you are very technically involved you may find some of the more technical terms omitted from our list.
Click on a letter to jump to that section of our glossary.
XLR Connector - A connector used for balanced audio cable, primarily in pro-audio equipment.
Y/C - Luminance and Chrominance video signals. This two signals are carried by an S-video connection to create a complete image.
Y Cr Cb -
While used synonymously with Y Pr Pb, this standard does
differ slightly, in part, that it is a digital signal. However,
this standard is not commonly used in consumer electronics.
Cables and connections marked with Cr Cb or Pr Pb are routinely
cross connected. See Y Pr Pb below.
Y Pr Pb - Luminance, Analog Red and Analog Blue video signals. The three signals carried in an analog component video signal. The green signal is derived mathematically. These three components are required for an HD signal.
Y Pr Pb H V - Similar to Y Pr Pb but with two additional cables, one for horizontal sync and one for veritcal sync. Commonly used for computer monitors.
Zoom Range - The distance range for the placement of a video projector. The greater the distance from the screen, the larger the
image. However, not all projectors yield the same image size
at the same distance, so selection of a projector should
be based upon the manufacturer's statement of the image vs: