back-porch pulse

См. также в других словарях:

• Back porch — refers to the portion in each scan line of a video signal between the end (rising edge) of the horizontal sync pulse and the start of active video. It was originally allocated to allow the slow electronics in early televisions time to respond to… …   Wikipedia

• Back porch — A&V The portion of a video signal that occurs during blanking from the end of horizontal sync to the beginning of active video. The blanking signal portion which lies between the trailing edge of a horizontal sync pulse and the trailing edge of… …   Audio and video glossary

• Back Porch — WikiV That portion of the composite picture signal which lies between the trailing edge of the horizontal sync pulse and the trailing edge of the corresponding blanking pulse …   Audio and video glossary

• Front porch — In television broadcasting, the front porch is a brief (about 1.5 microsecond) period inserted between the end of each transmitted line of picture and the leading edge of the next line sync pulse. Its purpose was to allow voltage levels to… …   Wikipedia

• How television works — Analog televisionUntil the advent of digital television and flat panel displays in the 1990s, all television was based on the transmission and reception of analog signals, displayed on a cathode ray tube. Although a number of different broadcast… …   Wikipedia

• PAL — For other uses, see PAL (disambiguation). Television encoding systems by nation; countries using the PAL system are shown in blue. PAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast… …   Wikipedia

• NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… …   Wikipedia

• XFree86 Modeline — A mode line may also refer to a line in the Emacs editor that provides information about the buffer and modes. A modeline is a configuration line in xorg.conf or the XFree86 configuration file (XF86Config) that provides information to the X… …   Wikipedia

• Colorburst — Horizontal sync and color burst of PAL videosignal Colorburst is a analog video, composite video signal generated by a video signal generator used to keep the chrominance subcarrier synchronized in a color television signal. By synchronizing an… …   Wikipedia

• Color killer — The color killer is an electronic stage in color TV receiver sets which acts as a muting circuit to cut off the color amplifiers when the TV receives a monochrome signal.[1] Contents 1 Monochromatic transmission 2 Color transmission 3 …   Wikipedia

• Differential phase — is a kind of linearity distortion which affects the color hue in TV broadcasting. Contents 1 Composite color video signal 2 The colorburst 3 Differential phase distortion …   Wikipedia