Glossary Of Terms - Philips DPTV400 Series Training Manual

Glossary of terms

TMDS Transmission Minimized Differential Signalling (Used for DVI, HDMI).
DVI Digital Visual Interface
HDCP High Definition Content Protection
HDMI High Definition Multimedia Interface
HD-DW High Definition Double-Window
NTSC National Television Systems Committee - Refers to the broadcast which has an odd and
even field of 262 lines each with 525 lines per frame. Two fields make up one frame.
There are 242 visible lines per field. The Horizontal frequency is 15734 Hz and the Frame
rate (Vertical) is 59.94 Hz.
ATSC Advanced Television Systems Committee. Digital broadcast system which is capable of
18 formats. The most common are 480p or SDTV, 720p, and 1080i. 720p and 1080i are
considered HDTV formats.
STANDARD DEFINITION TELEVISION (SDTV):
This term is used to signify a digital television system in which the quality is approximately
equivalent to that of NTSC.This equivalent quality may be achieved from pictures sourced
at the 4:2:2 level of ITU-R Recommendation 601 and subjected to processing as part of
the bit rate compression.The results should be such that when judged across a represen-
tative sample of program material, subjective equivalence with NTSC is achieved. Also
called standard digital television. Horizontal frequency is 31.47 kHz and the Vertical rate
is 59.94 Hz.
480p Resolution that is 2 times NTSC which displays 480 visible lines displayed in a
progressive scan format. Horizontal frequency is 31.47 kHz and the Vertical rate is 59.94
Hz. Same basic format as SDTV.
720p This format has a Horizontal frequency of 45 kHz and a vertical rate of 60 Hz.
1080i This format has an odd and even field with 540 visible lines per field. Two fields make up
one frame. The Horizontal frequency is 33.75 kHz and the vertical rate is 60 Hz.
SSB Small Signal Board
SSM Small Signal Module
LSB Large Signal Board
PIB Power Interface Board
AKB Automatic Kinne Bias
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