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The gateway for Smart Linux TV
ET5000 User Manual
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.
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.
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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