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Entry level card counting system which strikes good balance between power and ease of use.
Refers to the stretching or squeezing of an image so that it utilizes the entire area of a film frame with a different aspect ratio. The most common usage has a 1.85 to 1 or greater wide screen movie "squished" on film with 4:3 aspect ratio frames. A special lens is used on the projector to exactly reverse this distortion and produce the correctly proportioned picture on the screen. The same technique is used in video from time to time. On DVD's, the same 720 by 480 pixel frame may be used to represent either a 4:3 or 16:9 aspect ratio picture. The player has selectable means of proportioning the picture so it appears correct, although on a standard (4:3) TV, the 16:9 image will appear "Letterbox ". Better results are had for a 16:9 enhanced version of the movie if the full screen mode is selected on the player and the height control on the monitor manually adjusted downwards. "Anamorphic" in video is a misnomer. Video has no aspect ratio until it is displayed on the screen. The TV set or monitor determines the aspect ratio using settings specified by the viewer or sometimes automatically by taking some format data (not the picture data) from the video signal. So far the label "anamorphic" is used only for the DVD 16:9 enhanced wide screen programs or 16:9 high resolution programs. More on anamorphic video including adjustment of TV sets.
Refers to a standard consisting of analog video signals transmitted on three wires, one for luminance (Y), one for the red component from which is subtracted the total luminance (R-Y), and one for the blue component from which is subtracted the total luminance (B-Y). (The green component is derived by combining the three components described.) The designations Y/Pb/Pr and Y/Cb/Cr are also used to stand for analog component video where more correctly the latter is for digital video. The so called "component video" jack or jacks seen nowadays are for analog component video. See, also, Component Video .
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Refers to systems that represent or encode or transmit information in a manner that is continuously variable, specifically not having to be rounded up or down to certain numeric values or being restricted to discrete pixel positions on a line. An analog picture reproducing system for example might reproduce any shade of red from a dark brown to a light pink while a non-analog system might only have twenty specific shades of browns, reds, and pinks to choose from. NTSC video is analog in the horizontal direction; details can occur anywhere along a scan line. It is not analog in the vertical direction; details that "fall between" two scan lines are lost or show up shifted slightly to fit on one of the scan lines.
Refers to a scan line holding picture information including black for letterbox bars, as opposed to synchronizing information or encoded closed caption text. On this web page we sometimes say "illuminated scan line" when we mean "active scan line". As an example NTSC video has 525 scan lines of which approximately 480 are active.
Refers to TV antenna connections made using a round (coaxial) cable. Also refers to the most common video cabling using RCA plugs and jacks. For RCA video cables, almost any cable will transmit a decent picture but critical viewers will have to verify whether the circuits are indeed 75 ohm and purchase cables that match and have adequate bandwidth.
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One method of specifying color (chrominance) resolution of digital video signals. The first number is the reference count of luminance pixels. The second number is the corresponding number of color pixels in the odd rows or scan lines. The third number is the corresponding number of color pixels in the even rows. DVD's rating is 4:2:0, the color resolution is half the luminance (advertised; published) resolution both horizontally and vertically, or each two by two block of luminance pixels has to be the same color. For analog video luminance and color resolution vary independently.and the color resolution may vary depending on which colors are juxtaposed, so this method cannot be easily applied.
One method of committing a 24 frame per second movie on film to video, either interlaced or progressive scan. Consecutive film frames are alternately repeated twice and three times on consecutive video fields or frames. If you single step through a VCR recording of a movie, you will often see the three-two-three-two pattern.
Refers to a usually flat TV antenna cable consisting of two conductors held about 1/2 inch apart by insulating material.
In the subject matter of a picture, a line or a patch of color. When quality of reproduced pictures is discussed technically, it is often necessary to think about small parts as hair, nose, arm, shirt, shoe, or even "iris of the eye" as opposed to "person". It is like having to deliberately not see the forest becaue of the trees.