Sonifex S2 - PFL (CUE); Telco

156
S2 User Handbook
GLOSSARY
GLOSSARY
Gain The degree of amplication, or attenuation applied to a signal.
Hybrid A device that allows a telephone line to be connected to a broadcast
desk in such a way that the caller may hear the programme output
without the caller’s voice being re-introduced onto the phone line.
Essentially a two to four wire converter.
LED Light Emitting Diode.
Mix-minus Another method of producing a cleanfeed, except that the caller’s
voice is removed from the signal electronically. Due to phasing
problems at the signal band edges, the mix-minus method often
produces a lower grade signal to the true cleanfeed method.
PAN This controls the levels (usually of a mono signal) sent to the left and
right outputs and is an abbreviation of “panorama”.
PFL (CUE) Pre Fade Listen, also called CUE. A function that allows the operator to
monitor the pre fader signal independently of the programme output.
Pre-emphasis see De-emphasis.
S/PDIF Sony/Phillips Digital Interface. Domestic digital audio interface
standard using phono connectors or optically using bre-optic
connectors.
TBU See hybrid.
T/B Talkback (and reverse talkback, Rev T/B). This is the ability for two or
more studios to communicate with each other o-air.
Telco TELephone COmmunication. The telco module is used by the
presenter to talk to telephone callers via a hybrid or TBU.
THD Total Harmonic Distortion.