Video standards converter
Encyclopedia
Video standards converter is a video
device that converts NTSC
to PAL
and/or PAL to NTSC.
The PAL TV signals may be transcoded to or from SECAM
.
Video standards converter is used so TV shows can be viewed in nations with different video standards.
Main Page see Television standards conversion
First video standards converters were Analog
. That is a special Professional video camera
that used a Video camera tube
would be pointed at a Cathode ray tube
video monitor
. Both the Camera and the monitor could be switched to either NTSC or PAL, to convert both ways. Robert Bosch GmbH
's Fernseh
Division made a large three rack
analog video standards converter. These were the high end converters of the 1960s and 1970s. Image Transform in Universal City, CA used the Fernseh converter and in the 1980s made their own a custom digital
converter. This was also a larger 3 rack device. As digital memory
size became larger in smaller packages converters became the size of a microwave oven
. Today one can buy a very small converter for home use!
Video
Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.- History :...
device that converts NTSC
NTSC
NTSC, named for the National Television System Committee, is the analog television system that is used in most of North America, most of South America , Burma, South Korea, Taiwan, Japan, the Philippines, and some Pacific island nations and territories .Most countries using the NTSC standard, as...
to PAL
PAL
PAL, short for Phase Alternating Line, is an analogue television colour encoding system used in broadcast television systems in many countries. Other common analogue television systems are NTSC and SECAM. This page primarily discusses the PAL colour encoding system...
and/or PAL to NTSC.
The PAL TV signals may be transcoded to or from SECAM
SECAM
SECAM, also written SÉCAM , is an analog color television system first used in France....
.
Video standards converter is used so TV shows can be viewed in nations with different video standards.
Main Page see Television standards conversion
Television standards conversion
Television standards conversion is the process of changing one type of TV system to another. The most common is from NTSC to PAL or the other way around. This is done so TV programs in one nation may be viewed in a nation with a different standard...
History
Converters are needed because NTSC uses 30 frames (pictures) per second and PAL uses 25 frames per second.First video standards converters were Analog
Analog television
Analog television is the analog transmission that involves the broadcasting of encoded analog audio and analog video signal: one in which the message conveyed by the broadcast signal is a function of deliberate variations in the amplitude and/or frequency of the signal...
. That is a special Professional video camera
Professional video camera
A professional video camera is a high-end device for creating electronic moving images...
that used a Video camera tube
Video camera tube
In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge-coupled device for converting an optical image into an electrical signal. Several types were in use from the 1930s to the 1980s...
would be pointed at a Cathode ray tube
Cathode ray tube
The cathode ray tube is a vacuum tube containing an electron gun and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam onto the fluorescent screen to create the images. The image may represent electrical waveforms , pictures , radar targets and...
video monitor
Video monitor
A video monitor also called a broadcast monitor, broadcast reference monitor or just reference monitor, is a display device similar to a television set, used to monitor the output of a video-generating device, such as playout from a video server, IRD, video camera, VCR, or DVD player. It may or...
. Both the Camera and the monitor could be switched to either NTSC or PAL, to convert both ways. Robert Bosch GmbH
Robert Bosch GmbH
Robert Bosch GmbH is a multinational engineering and electronics company headquartered in Gerlingen, near Stuttgart, Germany. It is the world's largest supplier of automotive components...
's Fernseh
Fernseh
The Fernseh AG television company was registered in Berlin on July 3, 1929 by John Logie Baird, Robert Bosch and other partners with an initial capital of 100,000 Reichsmark....
Division made a large three rack
19-inch rack
A 19-inch rack is a standardized frame or enclosure for mounting multiple equipment modules. Each module has a front panel that is wide, including edges or ears that protrude on each side which allow the module to be fastened to the rack frame with screws.-Overview and history:Equipment designed...
analog video standards converter. These were the high end converters of the 1960s and 1970s. Image Transform in Universal City, CA used the Fernseh converter and in the 1980s made their own a custom digital
Digital
A digital system is a data technology that uses discrete values. By contrast, non-digital systems use a continuous range of values to represent information...
converter. This was also a larger 3 rack device. As digital memory
Computer storage
Computer data storage, often called storage or memory, refers to computer components and recording media that retain digital data. Data storage is one of the core functions and fundamental components of computers....
size became larger in smaller packages converters became the size of a microwave oven
Microwave oven
A microwave oven is a kitchen appliance that heats food by dielectric heating, using microwave radiation to heat polarized molecules within the food...
. Today one can buy a very small converter for home use!