Glossary
Electra VS
- Version 05.10 595
User Manual
- Rev. A
DRC
Dynamic Range Control.
DTS
Decoding Time Stamp
A field that may be present in a PES packet header that indicates the time
that an access unit is to be decoded in the system target Decoder.
DTVCC
Digital Television Closed Captioning.
DVB
Digital Video Broadcasting
The Digital Video Broadcasting Project (DVB) is an industry-led consortium
of around 250 broadcasters, manufacturers, network operators, software
developers, regulatory bodies and others in over 35 countries committed
to designing open technical standards for the global delivery of digital
television and data services. Services using DVB standards are available
on every continent with more than 500 million DVB receivers deployed.
EBU
European Broadcast Union.
ECM
Entitlement Control Message.
Private Conditional Access information that specifies control words and
possibly other stream-specific, scrambling, and/or control parameters.
ECMG
ECM Generator
Elementary Stream
A generic term for a coded bit-stream, be it video, audio or other.
EMC
Electromagnetic Compatibility.
EMM
Entitlement Management Message.
Private Conditional Access information that specifies the authorization
level or services of specific decoders.
Encryption
Encoding of a transmission to prevent access without the appropriate
decryption equipment and authorization.
EPG
Electronic Program Guide.
Provides users of television, radio, and other media applications with
continuously updated menus displaying scheduling information for
current and upcoming programming.
ES
Elementary Stream
A generic term for a stream of data of one particular type. Typically these
streams are of Video or Audio Types.
ESAM
(Real-time) Event Signaling and Management API specification from
CableLabs®.
Ethernet
The most widely used local area network (LAN) defined by the IEEE as the
802.3 standard.
FEC
Forward Error Correction.
A system of error control for data transmission, whereby the sender adds
systematically generated redundant data to its messages. The carefully
designed redundancy allows the receiver to detect and correct a limited
number of errors occurring anywhere in the message without the need to
ask the sender for additional data. FEC enables the receiver to correct
errors without the need for a reverse channel to request retransmission of
data, but this advantage is at the cost of a fixed higher forward channel
bandwidth
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