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15.Glossary
EPG(Electronic Programme Guide)
An electronic equivalent to a printed television listings magazine; it is an application used with digital receivers and
digital television sets to list current and scheduled programs that are or will be available on each channel, including a
short summary or commentary for each program. The information supplied in the EPG is sent and updated by the
channel broadcaster.
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Frequency
The property of a signal measured in cycles per second (=Hz).
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HDMI (High-Definition Multimedia Interface)
An all-digital audio/video interface that supports standard, enhanced, or high-definition video, plus multi-channel digital
audio on a single cable. It transmits all ATSC HDTV standards and supports 8-channel digital audio.
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OSD (On Screen Display)
OSD displays the basic information necessary for the users to configure monitor or TV settings. OSD information may
include brightness, contrast, tuning, RGB adjustment, and screen size and position.
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OTA (Over The Air)
A standard for the transmission of software for equipment, through a broadcast system. Manufacturers reserve the right
for deciding the release of the software for their products.
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SCART
A 21-pin connector standard to connect two pieces of Audio-Visual equipment such as a TV and a VCR. Each device
will have a 21-pin female connection; a cable with male connection at both ends is used for connecting the devices.
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Smartcard
A chipcard the same size as a credit card which must be inserted into the digital receiver in order to descramble the TV
signals.
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S/PDIF (Sony/Philips Digital Interface format)
A standard format for the transfer of digital audio signals. It allows the transfer of digital audio between two devices
without any conversion to and from analogue, which could degrade the signal quality.
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15. Glossary
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