|STANDARD VIDEO VOLTAGES
There are many standards of video signals
We have concentrated on NTSC, which is the American standard and have provided a linked list for all standards for reference.
When setting up a measuring device or when calibrating video signals, it is handy to have the corresponding voltages so that measurment can be done acuurately. We will be using composite video signal, so we have provided a set up graph for composite NTSC voltages.
Composite video NTSC
Setup - 54 mV
714 mV (peak Luma, 100% white)
Video- 934.15 mV (peak Luma with 100% Color Bars).
Sync - - 2.86 mV
Burst - 286 mV p-p
|VIDEO GROUPS AND SPECIFICATIONS
NTSC: National Television System Committee. The US form of standard definition TV.
PAL: Phase Alternating Line. The system of standard definition TV implemented in Europe and elsewhere.
SECAM: Sequential Couleur avec Memoire. The French form of standard definition TV.
ATSC: Advanced Television Systems Committee. The US form of high definition TV (HDTV).
VESA: Video Electronics Standards Association. Proposes and publishes video standards for Graphics.
ITU: International Telecommunications Union. Proposes and publishes video standards for Broadcast in the EU.
SMPTE: Society of Motion Picture and TV Engineers. Proposes and publishes video standards for Broadcast in the US.
JPEG: Joint Photographic Experts Group. Proposes and publishes video standards for Still Images.
MPEG: Motion Picture Experts Group. Proposes and publishes video standards for Broadcast.
EIA RS 170 & 170A The original specs for Monochrome and Color TV in the US. Has been replaced by SMPTE 170M.
EIA 770-1: The US spec for Enhanced Component video, similar to ITU-R BT1197/ETSI 300 294 for PAL-Plus.
EIA 770-2: The US specs for Standard Definition TV (SDTV) Baseband Component Video.
EIA 770-3: The US spec for High Definition TV (HDTV) Baseband Video.
ITU-R BT.470: Harmonized spec for SDTV world wide, including NTSC, PAL, and SECAM.
ITU-R BT.601: Universal Sampling spec for SDTV and HDTV Broadcast Video. Similar to SMPTE125M.
ITU-R BT1197/ETSI 300 294: Spec for PAL Plus Enhanced TV in Europe.
SMPTE 125M: Similar to ITU-R BT.601.
SMPTE 170M: Has replaced EIA RS 170A, color spec for NTSC.
SMPTE 253M: RGB Analog Video Interface spec for SDTV Studio applications.
SMPTE 274M: Component spec for 1920x1080 HDTV.
SMPTE 296M: Spec for 1280 x 720 RGB and YPbPr Baseband Video. Similar to PAL Plus.