DIGITAL TELEVISION Meaning and
Definition
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Digital television refers to the transmission and reception of television signals in a digital format, allowing for high-quality visuals and sound. Unlike analog television, which uses varying electrical signals to represent the audio and video components of a broadcast, digital television converts these signals into binary code consisting of ones and zeros. This encoding method allows for more efficient data transmission, resulting in superior picture and audio quality compared to the traditional analog format.
Digital television utilizes a range of technologies including sophisticated compression algorithms such as MPEG (Moving Picture Experts Group) to transmit video and audio in a more compact form. This compression reduces the amount of bandwidth required for transmission, enabling broadcasters to transmit multiple high-definition channels within the same frequency bandwidth that previously accommodated only one analog channel.
Digital television offers additional benefits beyond improved picture and sound quality. It allows for interactive features such as electronic program guides (EPGs) to easily navigate through channels and access program information. Moreover, it enables the integration of multimedia content, providing viewers with additional information related to the program they are watching, such as on-screen news updates or interactive advertisements.
With the transition to digital television worldwide, analog signals are gradually being phased out, allowing broadcasters to make more efficient use of spectrum resources, and providing viewers with an enhanced television experience.
Common Misspellings for DIGITAL TELEVISION
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Etymology of DIGITAL TELEVISION
The word "digital television" is composed of two parts: "digital" and "television".
The term "digital" is derived from the Latin word "digitus", meaning finger. In ancient times, people used their fingers for counting, and the use of fingers as a numerical system eventually led to the concept of "digits" as symbols representing numbers. Over time, "digital" has come to refer to the representation of information using discrete symbols or numbers. In the context of technology, "digital" refers to the use of binary code, which consists of only two digits: 0 and 1.
The word "television" combines the prefix "tele-" (from the Greek word "tele", meaning far) and the root word "vision" (from the Latin word "visio", meaning sight or seeing). The concept of television involves the transmission and reception of visual images over a distance.
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