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10 Characteristics of Television

This document explains what television is, its origin and classification. It describes the characteristics of television such as signal, invention, transmission options, types, color, definition, aspect ratio, transmission modes, and genres. It also analyzes the importance of television.

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13 views9 pages

10 Characteristics of Television

This document explains what television is, its origin and classification. It describes the characteristics of television such as signal, invention, transmission options, types, color, definition, aspect ratio, transmission modes, and genres. It also analyzes the importance of television.

Uploaded by

ScribdTranslations
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Television

We explain what television is, how it originated, and the


classification of this device. Furthermore, its
characteristics and types of transmissions.

television

The massification of television marks the beginning of the telecommunications era.

What is television?
By television we understand a broadcasting system and
remote reception of sound and images
theyappeartomoveand,atthesametime,tothespecificapparatus
designed to receive and visualize them.

This transmission occurs through various


systems and techniques, both of public nature and
paid, and plays a predominant role today among the
meansofcommunicationmassive. So much so that the
the massification of this device is considered the beginning of the
was the telecommunications era of humanity.
On the other hand, television is the mass medium of
communication par excellence, so that all the
reflections made around media culture, to the role
ofjournalismandthe'fourthestate'concernsthem
directly. Especially considering the fact that
there is a television in practically every home of
West.

Seealso:History of television.

Characteristics of television:
1.Signal

The transmission of the images and thesoundto the devices


Television was traditionally produced by waves.
the radio, which were received by an antenna located in the
roof of the building or on the device itself that
sheinterpretedthemandtransformedthemintoimagesandsound.

These signals could be of various types: NTSC, PALor


SECAM, according to its technical specifications that
varied according to the geographical region. They were
called 'analog signals'.

2.Invention
television

The first public television signal was broadcast in the 1930s.

The first appearance of a television set was in


1900, at the International Congress of Electricity in
Paris.ItwaspresentedbyConstantinPerskyi,aprofessorof
electricityat theArtilleryAcademy of San
Saint Petersburg, to whom the invention of
television

At that time, the device was barely a


rudimentary approximation to what was in 1911
it would develop in Russia: the cinescope, made from boxes of
cathode rays.

Then, in 1925, something much more would be developed.


similar to the television of our days, by the Scotsman
John Logie Baird. It would be until the 1930s,
when would the first public signal be broadcast
television by the BBC orwhataboutEnglandand the TF1
ofFrance, as well as CBS and NBC in the States
United.
3.Transmission options

The content broadcast on television can be live,


thatistosay,whathappensattheverymomentofits
broadcast, or delayed, that is, recorded and produced
prior to its transmission.

In this way, the television can be used for


inform about the events happening in another
place and simultaneously, or to re-present events
days, months, or years ago.

4.Types of television
television - definition

A smart TV takes advantage of 2.0 technologies and the push of the Internet.

Broadly speaking, we can talk about four types of


television

Mechanics. It was the first model of television, that


used seriesofphotographsin transmission
facsimile from an invention called the "Disc"
de Nipkow, which allowed scanning an image
line by line.
Electronics. Starting from cathode rays and to
iconoscope, electronic television was developed
that worked and became widespread for 50 years, since
its launch in 1937.
Digital. The advent of thetechnologies
computerized systems allowed the development of television
digital, capable of processing audio and video signals
of better quality, which made the model obsolete
television analog. This new technology
it started to be implemented from the 1990s.
SmartTV. It is the contemporary model of television,
whichtakesadvantageof2.0technologiesandthepushof
Internetfor a connection model much more of
advanced.

5.Color

Initially, the televised images could be


only in shades of gray and white and black. Like this
It was how this device became popular.

But starting from the transmission of basic colors:


blue, white and red, an additional infrastructure transmitter
novel allowed after decades of
experimentation, emit the first television signal to
colors in the 1950s.
6.Definition

television - smart tv

The HD definition allows for 720×1280 pixels.

There are two definition records in the models


television, which means that there are two models of
image quality: standard definition (Standard
DefinitionofSD)andthehighdefinitiondefinition(HighDefinitionorHD).

The first allows, in its digital version, about 720×576.


pixels (for a total of 414,720) of quality. The second,
on the other hand, allows for 720×1280 pixels (for a total
2,073,600.

7.Relationship of the aspect

It is called this the relationship between the width and the length of
the image projected on the television, which normally
It can be of two types:

4:3, the traditional formula of analog television.


16:9, the format introduced in the 1990s by the
digital television, much broader and more pleasant to
human eye.

8.Modes of transmission
signal-television-min

Satellite is a type of television transmission.

Currently, there are four transmission models coexisting.


televised

Radial. Characteristic of television stations with signal


open or public, is transmitted through the waves
the radio.
By cable. Typical of pay TV networks, which
theyofferthecustomerawiderangeofprogrammingand
international in exchange for a monthly rent.
It depends on fiber optic cables and connections
coaxial to the television.
By satellite. The transmission of images occurs at
from a repeater satellite, whose electronic signal
it is collected by an antenna installed in the building or
even in the home window, and then decoded
by a module installed in the device.
IP Television. Internet television, which replaces the
television for the new generation computers
and receives its information via the web, throughWiFi or
conventional signals of network cable.

9.Genres

Television programming can be classified into the


following genres of broadcasting:

InformativeThey provide journalistic or...


news to the public, such asnews programs,
current programs, show business, etc.
Educational. They pursue pedagogical purposes or
educational in their audience, such as documentaries,
educational shows, opinion programs, etc.
Children's. Broadcasts aimed at a children's audience,
like cartoons or puppets.
Entertainment. Entertainment programs
foradultsandyoungpeople,suchascomedyshows,satire,
varieties, talent shows or contests.
Fiction. Fictional productions such as movies,
series or soap operas.

It can serve youe:Advertising.

10.Importance
television

Some consider television as a tool for manipulation.

Television became dominant during the second half of the century.


XX as a direct means of communication with the
screens of this type were installed in homes,
restaurants, waiting rooms and multiple spaces
public, where people can observe and listen
the transmission.

However, many attribute this omnipresence to


capacity for political and social manipulation of
beware, just like the subjugation of public opinion to
the editorial lines of the different existing channels.

How to cite?

Television. Author: Julia Máxima Uriarte. For:


Caracteristicas.co. Last edited: March 10, 2020.
Disponible in:Unable to access the content from the provided URL..
Consulted: January 27, 2022.

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