Glossary
596 Electra VS
- Version 05.10
User Manual
- Rev. A
Field
For an interlaced video signal, a "field" is the assembly of alternate lines of
a frame. Therefore, an interlaced frame is composed of two fields, a top
field and a bottom field.
Frame
A frame contains lines of spatial information of a video signal. For
progressive video, these lines contain samples starting from one time
instant and continuing through successive lines to the bottom of the
frame. For interlaced video a frame consists of two fields, a top field and a
bottom field. One of these fields will commence one field later than the
other.
FTP
File Transfer Protocol.
It is a standard network protocol used to copy a file from one host to
another over a TCP-based network.
GPI
General Purpose Interface.
GUI
Graphical User Interface
It is a type of user interface that allows users to interact with electronic
devices with images rather than text commands. A GUI represents the
information and actions available to a user through graphical icons and
visual indicators such as secondary notation, as opposed to text-based
interfaces, typed command labels or text navigation.
H.264
ITU/ETSI name for MPEG-4 Part-10 (ISO/IEC 14496-10).
H.265
ITU/ETSI name for MPEG-H Part-2 (ISO/IEC 23008-2).
HbbTV
Hybrid Broadcast Broadband TV
Both an industry standard and promotional initiative for hybrid digital TV
to harmonize the broadcast, IPTV, and broadband delivery of
entertainment to the end consumer through connected TVs (Smart TVs)
and set-top boxes.
HD
High Definition.
HD-SDI
1.5 Gbps High-Definition Serial Digital Interface.
HDTV
High Definition Television.
HE-AAC
High-Efficiency Advanced Audio Encoding.
A lossy data compression scheme for digital audio defined as a MPEG-4
Audio profile in ISO/IEC 14496-3. There are two types of HE-AAC:
- HE-AAC = AAC+ = AAC-LC + SBR (Spectral Band Reconstitution)
- HE-AACv2 = eAAC+ = AAC-LC + SBR + PS (Parametric Stereo)
HEVC
High Efficiency Video Coding. Refer to H.265
HTML
Hyper Text Markup Language.
HTML is the predominant markup language for web pages. That is the
basic building-blocks of web pages.
HTTP
Hyper Text Transfer Protocol.
HTTPS
Hyper Text Transfer Protocol Secure.
I-Frame
Intracoded Frame.
A frame, which is coded using purely intracoding with reference to no
other field or frame information. I frames provide a reference point for
dependent P and B frames and allow random access into the compressed
video stream.
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