A Digital to Analog Converter Box or Digital Television (DTV) Converter Box is an electronic device that converts the new free over-the-air digital signal into an analog signal viewable on an older “analog” television set.
A digital-to-analog converter box will not give you a digital picture on an analog TV set but will not convert your analog TV set into a high-definition TV, also known as an HDTV.
A TV converter box is a stand-alone device that allows your antenna to receive and convert digital signals into a format analog television set can display. A DTV converter box hooks up to your analog television set and over-the-air antenna.
The box converts the digital television signal into an analog format, making it viewable on your analog TV set. Several of these devices have already been shown and, while few were initially available, they are becoming more available by the day.
ompagnie Française de Télévision (later bought by Thomson) invented SECAM. SECAM uses the same resolution as PAL (625 lines) but transmits the color information sequentially: R-Y on one line and B-Y on the next.
AL is a color encoding system used in broadcast television systems in large parts of the world. The PAL TV standard came into the market in early 1960s Europe. The term PAL describes any video, including digital video, formatted for playback on a PAL TV.
The NTSC is responsible for setting television and video standards used in North America, most of South America, and some other countries. The NTSC standard for television defines a composite video signal with a refresh rate of 30 interlaced frames per second. Each frame contains 525 lines and can contain 16 million different colors
Linear video editing is the process of selecting, arranging, and modifying the images and sound recorded on videotape. In the early 1990s, many people used the term video editing instead of linear video editing.
1. French SECAM (SECAM-L) French SECAM (SECAM-L) is used only in France, Luxembourg (only RTL9 on CH 21 from Dudelange) and Tele Monte-Carlo Transmitters in the south of France.
1. PAL B/G/D/K/I The majority of countries using PAL have television standards with 625 lines and 25 frames, differences concern the audio carrier frequency and channel bandwidths.
The benefits of digital television are amazing and include:
Better picture quality: Digital technology allows the transmission of pictures with higher resolution for dramatically better picture and sound quality than currently available (HDTV). Most viewers will see improved clarity and color when watching their favorite news, sports or entertainment programming.
The digital television transition (also called the digital switchover or analogue switch off) is the switchover from analog (the traditional method of transmitting television signals) to exclusively digital broadcasting of free television programming. The transition from analog to digital television represents the most significant advancement of television technology since color TV was introduced.
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