The traditional type of color display screen that has been used for years in televisions. In reality, all monitors based on CRT technology (that is, all monitors except flat-panel displays) are analog. Some monitors, however, are called digital monitors because they accept digital signals from the video adapter. EGA monitors, for example, must be digital because the EGA standard specifies digital signals. Digital monitors must nevertheless translate the signals into an analog form before displaying images. Some monitors can accept both digital and analog signals. Some analog monitors are also called digital because they support digital controls for adjusting the display.
Most analog monitors are multifrequency monitors, which means that they are designed to accept signals at two or more preset frequency levels.
- analog roaming
In mobile phone terminology, analog roaming is a feature in digital phones that give users the capability to roam on older analog networks. Because analog networks usually cover a larger distance than digital networks, many are able to use analog roaming in rural areas where digital service may not be available.
- analog television
Preceding digital television (DTV), all televisions encoded pictures as an analog signal by varying signal voltage and radio frequencies. DTV is fast replacing analog TVs as digital broadcasting enables broadcasters to offer television with movie-quality picture and sound. Analog systems are more commonly known as NTSC systems. A U.S. Senate panel has set an April […]
- Analog-To-Digital Converter
(n.) An analog-to-digital converter, or ADC as it is more commonly called, is a device that converts analog signals into digital signals. Analog information is transmitted by modulating a continuous transmission signal by amplifying a signal’s strength or varying its frequency to add or take away data. Digital information describes any system based on discontinuous […]
- anamorphic widescreen
In video terminology, anamorphic widescreen is a process that horizontally squeezes a 16:9 image into a 4:3 space. For the signal to appear with correct geometry, the display must either horizontally expand or vertically squish the image. Anamorphic video is also called “Enhanced for Widescreen” on DVD packaging. [Adapted from Home Theater Magazine]
In desktop publishing, to fix a graphical object so that its position relative to some other object remains the same during repagination. Frequently, for example, you may want to anchor a picture next to a piece of text so that they always appear together.