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News broadcasting^[1] is a key segment of the media industry, serving as a pivotal channel for disseminating current events and information to the public. This sector encompasses various platforms including televisão^[2], radio, and internet-based audio and video news. The presentation of news, particularly on television, varies in content, tone, and style. It’s influenced by the specific channel or station, timeslot, and the team involved – which typically includes anchors, reporters, and other specialty roles. The impact of news broadcasting on society is significant, with its evolution marked by notable shifts in style, increased seriousness, and a transition from traditional to digital platforms. News broadcasting also differs by country, with variations in local newscast requirements, competition among networks, and the rise of niche networks. Local news coverage and programming formats further diversify this field, reflecting changes in content over time and the advent of news-intensive programming.

Definições de termos

1. ↑ broadcasting. Broadcasting, a key aspect in the realm of communication, has a rich and diverse history. It began with the transmission of telegraph signals over airwaves using Morse code, evolving into wireless communication and commercial radio broadcasting for news and entertainment. Broadcasting methods have advanced over the years, from central high-powered towers transmitting electromagnetic waves to receivers, to the digital age of streaming services. This influential technology plays an essential role in disseminating information and entertainment, shaping society, culture, and communication. Broadcasting encompasses various methods like radio, television, and internet streaming, and different types of services, such as public, community, and commercial. Technological advances have transformed the industry, with the internet and mobile devices making broadcasting more accessible globally.

2. ↑ televisão. A televisão é uma tecnologia que transmite imagens visuais e sonoras. O termo vem do grego antigo e do latim, significando "visão distante". Utilizado pela primeira vez em 1900 por Constantin Perskyi, era conhecido como "telephote" e "televista" nas primeiras propostas. A televisão evoluiu a partir da digitalização mecânica de imagens, tendo o disco de Nipkow, patenteado em 1884, desempenhado um papel crucial. Inicialmente, os sinais de televisão eram transmitidos através de radiodifusão terrestre, mas atualmente incluem o cabo coaxial, a fibra ótica, os sistemas de satélite e a Internet. Os aparelhos de televisão têm circuitos electrónicos internos, incluindo um sintonizador para receber os sinais. Sem um sintonizador, trata-se de um monitor de vídeo. A radiodifusão a cores foi introduzida em meados da década de 1960 e, atualmente, existem televisores inteligentes com ligação à Internet. Atualmente, 79% dos lares em todo o mundo possuem um televisor e os principais fabricantes produzem televisores inteligentes.

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Glossário

Difusão de notícias (Wikipédia)

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Difusão de notícias is the medium of broadcasting various news events and other information via television, radio, or the internet in the field of broadcast journalism. The content is usually either produced locally in a radio studio or television studio newsroom, or by a broadcast network. A news broadcast may include material such as sports coverage, weather forecasts, traffic reports, political commentary, expert opinions, editorial content, and other material that the broadcaster feels is relevant to their audience. An individual news program is typically reported in a series of individual stories that are presented by one or more anchors. A frequent inclusion is live or recorded interviews by field reporters.

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