Bauhn HDPVR2400 Instruction Manual page 39

6. HINT PAGES
7. GLOSSARY
AC3: Dolby Digital is the common version containing up to six discrete channels of
sound, sometimes known as 5.1 Surround Sound. An AV receiver is needed to play this
sound
AR: Aspect Ratio of the TV display. This is affected by by settings on the PVR AND the
TV. (See Section 4 on Page 37, and Section 8 on Page 40 and Section 9 on Page 41)
LCN: Logical Channel Number. The LCN is the digital channel number that is used to
select a channel on the PVR. LCNs are constant. Don't confuse the LCN with the UHF
channel; all the channels on a multiplex eg. ABC1 ABC2 ABC HD, will have the same
UHF channel, but individual LCNs.
PCM: Pulse-code modulation is a digital representation of an analogue signal where
the magnitude of the signal is sampled regularly at uniform intervals. PCM is also a
standard in digital video.
S/PDIF: Sony/Philips Digital Interface. A digital connection which allows you to feed
the sound in digital format, from one piece of equipment to another. If you have a
good quality AV receiver, you may find the output from the PVR is better when you
use its digital audio facilities, instead of a phono connection for the audio. Digital
audio connections can also carry multi-channel surround sound (AC3), where available
from the transmitter.
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