512 resultados para broadcast


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Description based on: 3 Mar. 1969; title from cover.

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Title from cover.

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Issued Jan. 1980-

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Caption title.

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Each no. issued in 3 or 4 pts., the titles of which vary according to the region currently covered.

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Description based on: 11th ed., 1952; title from cover.

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Mode of access: Internet.

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"Satellite broadcast, September 21-23, 1999."

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Thesis (Ph.D.)--University of Washington, 2016-06

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his paper analyzes the discursive construction and contestation of ‘leaked’ stories in news broadcast programmes. Drawing on a sample of BBC Radio 4 news programmes recorded between May and June 2000, we analyze four items of news presented as leaks about upcoming events. We suggest that these examples highlight the leaking of information as a valuable newsworthy commodity in that it not only allows news organizations to report what is going to be news before it happens but also enables speculative discourse as to the meaning of the event yet to happen. However, in order for a story to be accepted as a leak it must be seen to fulfil a number of criteria. With this in mind, we identify four features accompanying the introduction of the news items as leaks in the process of authentification: secrecy, authorship/ownership and future orientation. The article then discusses how these features are used when contesting the status of a news story as a leak, and how temporal play contributes to downgrading the content of the leak and, hence, its relevance, immediacy and newsworthiness.

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The effects of the herbicide diuron on the early life history stages of broadcast spawning and brooding corals were examined in laboratory experiments. Fertilisation of Acropora millepora and Montipora aequituberculata oocytes were not inhibited at diuron concentrations of up to 1000 mu gl(-1). Metamorphosis of symbiont-free A. millepora larvae was only significantly inhibited at 300 mu gl(-1) diuron. Pocillopora damicornis larvae, which contain symbiotic dinoflagellates, were able to undergo metamorphosis after 24h exposure to diuron at 1000 mu gl(-1). Two-week old P. damicornis recruits on the other hand were as susceptible to diuron as adult colonies, with expulsion of symbiotic dinoflagellates (bleaching) evident at 10 mu gl(-1) diuron after 96 h exposure. Reversible metamorphosis was observed at high diuron concentrations, with fully bleached polyps escaping from their skeletons. Pulse amplitude modulation (PAM) chlorophyll fluorescence techniques demonstrated a reduction in photosynthetic efficiency (Delta F/F'(m)) in illuminated P. dami- cornis recruits after a 2h exposure to 1 mu gl(-1) diuron. The dark-adapted quantum yields (F-v/F-m also declined, indicating chronic photoinhibition and damage to photosystem H. Crown Copyright (c) 2004 Published by Elsevier Ltd. All rights reserved.

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This article presents information on the September 2005 issue of the "Australian Journal of Communication." The papers by Dunn and Churchman in this issue of the journal were delivered at the very successful Annual Conference of the Australian and New Zealand Communication Association, hosted by Colleen Mills at the University of Canterbury, Christchurch, New Zealand, in July 2005. Dunn's presidential address, on the importance of maintaining public broadcasting, is based on her longterm work at the Australian Broadcasting Commission and her current research at the University of Sydney. Many of the other papers in this issue are related to politics and the media in Australia and New Zealand. Cover discusses how the processes of digitisation and a user-based taste for interactivity have far-reaching broadcast television. In her paper, van Vuuren compares the policy and regulation, practice, and theoretical development of the community broadcasting and community information and communication technology (lCT) sectors in Australia, arguing that the ICT sector can benefit from a knowledge of the way in which the older community broadcasting sector has demonstrated an ability to deliver its services with very limited government support.

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News of the attacks on New York and Washington on September 11th 2001 spread fast, mainly through dramatic images of the events broadcast via a global television media, particularly 24-hour news channels such as BBC News 24 and CNN. Following the initial report many news channels moved to dedicated live coverage of the story. This move, to what Liebes (1998) describes as a 'disaster marathon', entails shifting from the routine, regular news agenda to one where the event and its aftermath become the main story and reference for all other news. In this paper, we draw upon recordings from the BBC News 24 channel on September 11th 2001 during the immediate aftermath of the attacks on the World Trade Centre and Pentagon to argue that the coverage of this event, and other similar types of events, may be characterised as news permeated with strategic and emergent silences. Identifying silence as both concrete and metaphorical, we suggest that there are a number of types of silence found in the coverage and that these not only act to cover for lack of new news, or give emphasis or gravitas, but also that the vacuum created by a lack of news creates an emotional space in which collective shock, grieving or wonder are managed through news presented as phatic communion.

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In this paper we utilise a stochastic address model of broadcast oligopoly markets to analyse the Australian broadcast television market. In particular, we examine the effect of the presence of a single government market participant in this market. An examination of the dynamics of the simulations demonstrates that the presence of a government market participant can simultaneously generate positive outcomes for viewers as well as for other market suppliers. Further examination of simulation dynamics indicates that privatisation of the government market participant results in reduced viewer choice and diversity. We also demonstrate that additional private market participants would not result in significant benefits to viewers.