User manual

Appendices : Glossary
Page 244
Q
• quantization: The process of sampling an analog waveform to convert its voltage levels into digital data.
• QuickTime: is a multimedia technology developed by Apple Computer, capable of handling various for-
mats of digital video, sound, text, animation, music. A QuickTime file functions as a multimedia container
file that contains one or more tracks, each of which store a particular type of data, such as audio, video,
effects, or text (for subtitles, for example). Each track in turn contains track media, either the digitally
encoded media stream.
R
• Reconform: Pyramix can conform audio to match a several flavours of EDL and also reconform an existing
project to match a CMX change EDL.
• reference video signal: A composite video signal to which other signals are compared or locked for tim-
ing purposes.
• RGB: Every pixel is sampled for red, green and blue.
• RP 188: is a SMPTE recommended Practice describing the transmission of the TimeCode in the ancillary
data space of a television data stream. The Xena LS and the Canopus video cards don't support this fea-
ture.
• RS-232: A standard, single-ended (unbalanced) interconnection scheme for serial data communications.
The maximum permissible line length under the specification is approximately 15 meters.
• RS-422: A standard, balanced interconnection scheme for serial data communications. It allows for higher
data rates and an extended line length to approximately 1200 meters.