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PAL
(Phase Alternating Line)
Passthrough
Personal Video
Recorder (PVR)
Pre-amplifier
Pre-amp Sound
Processing
Receiver
RF (Radio Frequency)
SACD (Super Audio CD)
Satellite Radio
SDTV Standard
Definition Television
A video format that is used in the UK, and parts of Europe and Asia.
A device that routes video or audio from one device to another device.
Contains an internal recorder and player that records and plays video
without the use of a removable tape or disc. Typically PVRs can pause,
rewind, instantly replay, and play slow-motion for live or recorded TV.
Examples of PVR service providers are TiVo, ReplayTV, UltimateTV,
and Keen PM. Many satellite providers also provide PVR services and have
PVRs included in some of their satellite receivers.
A control and switching component that may include equalization
functions.
Takes a small signal and amplifies it sufficiently to be fed into the power
amplifier for further amplification. A pre-amp includes all of the controls
for regulating tone, volume, and channel balance. This task is known as
sound processing.
Also referred to as a tuner or a stereo receiver. A receiver can be any
component that receives or tunes broadcast signals, or AM/FM radio.
Typically refers to the single component that includes a preamplifier,
surround processor, multi-channel amplifier, and AM/FM tuner.
Used by some remote controls to control devices because it doesn’t
have the same line-of-sight restrictions as IR (infrared) signals.
A read-only optical audio disc aimed at providing much higher quality
of digital audio reproduction than the compact disc.
A service in the United States that provides digital programming
directly from satellites. Currently the 2 main providers for service are XM
and Sirrus.
One mode of operation of digital television where the broadcaster
transmits pictures with detail similar to, or slightly better than,
today’s analog television. Since the picture contains less information,
there is “room” in the digital signal multicast broadcasting.