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Vu User Manual
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S/PDIF
Stands for Sony/Philips Digital Interconnect Format. A common use for the S/PDIF
interface is to carry compressed digital audio as defined by the standard IEC
61937. This mode is used to connect the output of a DVD player to a home theater
receiver that supports Dolby Digital or DTS surround sound. Another common
use is to carry uncompressed digital audio from a CD player to a receiver. This
specification also allows for the coupling of personal computer digital sound (if
equipped) via optical or coax to Dolby or DTS capable receivers.
SCART
A French-originated standard and associated 21-pin connector for connecting
audio-visual (AV) equipment together. SCART is one of the most common method
of connecting audio-visual equipment together. However, transferring analogue
standard-definition content, SCART is becoming obsolete with the introduction of
new digital standards such as HDMI, which can also carry high-definition content
and multichannel audio.
Smartcard
A pocket-sized card with embedded Integrated Circuits which can process data.
It can receive input which is processed and delivered as an output. The card may
embed a hologram to avoid counterfeiting. It is used for accessing encrypted TV
channels or services.
Teletext
A television information retrieval service developed in the United Kingdom in the
early 1970s. It offers a range of text-based information, typically including national,
international and sporting news, weather and TV schedules. Subtitle (or closed
captioning) information is also transmitted in the teletext signal, typically on page
888 or 777.
Xcrypt One of the Conditional Access Systems by Xcrypt.
YPbPr
A color space used in video electronics, in particular in reference to component
video cables. YPbPr is the analog version of the YCBCR color space; the two are
numerically equivalent, but YPBPR is designed for use in analog systems whereas
YCBCR is intended for digital video.YPbPr is commonly called "component video",
but this is a misnomer, as there are many other types of component video (mostly
RGB with sync either on green or one or two separate signals).
YPbPr is converted from the RGB video signal, which is split into three
components, Y, PB, and PR.
* Y carries luma (brightness) and sync information.
* PB carries the difference between blue and luma (B - Y).
* PR carries the difference between red and luma (R - Y).
Sending a green signal would be redundant, as it can be derived using the blue,
red and luma information.
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