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<title>Communication source</title>

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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Communication source</span></span>

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<p>A <b>source</b> or <b>sender</b> is one of the basic concepts of <a href="Communication" title="Communication">communication</a> and <a href="Data_processing" title="Data processing">information processing</a>. Sources are objects which <a href="https://en.wiktionary.org/wiki/encode" class="extiw external" title="wikt:encode">encode</a> <a href="Message" title="Message">message</a> <a href="Data" title="Data">data</a> and <a href="Transmission_(telecommunications)" class="mw-redirect" title="Transmission (telecommunications)">transmit</a> the <a href="Information" title="Information">information</a>, via a <a href="Channel_(communications)" class="mw-redirect" title="Channel (communications)">channel</a>, to one or more <a href="Observation" title="Observation">observers</a> (or <a href="Receiver_(information_theory)" title="Receiver (information theory)">receivers</a>).

</p><p>In the strictest sense of the word, particularly in <a href="Information_theory" title="Information theory">information theory</a>, a <i>source</i> is a process that generates message data that one would like to communicate, or reproduce as exactly as possible elsewhere in space or time. A source may be modelled as memoryless, <a href="Ergodic" class="mw-redirect" title="Ergodic">ergodic</a>, <a href="Stationary_process" title="Stationary process">stationary</a>, or <a href="Stochastic" title="Stochastic">stochastic</a>, in order of increasing generality.

</p><p><i>Communication Source</i> combines <i>Communication and Mass Media Complete</i> and <i>Communication Abstracts</i> to provide full-text access to more than 700 journals, and indexing and abstracting for more than 1,000 core journals.  Coverage dating goes back to 1900. <sup id="cite_ref-ucsb2016_1-0" class="reference"><a href="#cite_note-ucsb2016-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</p><p>Content is derived from academic journals, conference papers, conference proceedings, trade publications, magazines and periodicals. <sup id="cite_ref-ucsb2016_1-1" class="reference"><a href="#cite_note-ucsb2016-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>

</p><p>A transmitter can be either a device, for example, an antenna, or a human transmitter, for example, a speaker. The word "transmitter" derives from an emitter, that is to say, that emits using the Hertzian waves.

</p><p>In <a href="Sending" title="Sending">sending</a> mail it also refers to the person or organization that sends a letter and whose address is written on the envelope of the letter.

</p><p>In finance, an issuer can be, for example, the bank system of elements.

</p><p>In education, an issuer is any person or thing that gives knowledge to the student, for example, the professor.

</p><p>For communication to be effective, the sender and receiver must share the same code. In ordinary communication, the sender and receiver roles are usually interchangeable.

</p><p>Depending on the language's functions, the issuer fulfills the expressive or emotional function, in which feelings, emotions, and opinions are manifested, such as The way is dangerous.<sup id="cite_ref-ch_2-0" class="reference"><a href="#cite_note-ch-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>

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<div class="mw-heading mw-heading2"><h2 id="In_economy">In economy</h2></div>

<p>In the <a href="Economy" title="Economy">economy</a>, the issuer is a legal entity, foundation, company, individual firm, national or foreign governments, investment companies or others that develop, register and then trade commercial securities to finance their operations. The issuers are legally responsible for the issues in question and for reporting the financial conditions, materials developed and whatever their operational activities required by the regulations within their jurisdictions.

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<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.library.ucsb.edu/research/db/88">"Communication Source (including Communication Abstracts)"</a>. <i>UCSB Library</i>. 2016-11-09<span class="reference-accessdate">. Retrieved <span class="nowrap">2022-11-04</span></span>.</cite></span>

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<li id="cite_note-ch-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-ch_2-0">^</a></b></span> <span class="reference-text"><cite id="CITEREFArroyo_CantónBerlato_Rodríguez2012" class="citation book cs1 cs1-prop-foreign-lang-source">Arroyo Cantón, Carlos; Berlato Rodríguez, Perla (2012). "La comunicación". In Averbuj, Deborah (ed.). <i>Lengua castellana y Literatura</i> (in Spanish). España: <a href="Oxford_University_Press" title="Oxford University Press">Oxford University Press</a>. p. 407. <a href="ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <bdi>9788467367966</bdi>.</cite></span>

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</style></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q974688#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata1343" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q974688#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata1343" style="font-size:114%;margin:0 4em">Authority control databases </div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4124182-4">Germany</a></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Radio--Transmitter-receivers"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85110417">United States</a></span></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Radio--Émetteurs-récepteurs"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb13556179g">France</a></span></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Radio--Émetteurs-récepteurs"><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb13556179g">BnF data</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.nli.org.il/en/authorities/987007558211705171">Israel</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://lux.collections.yale.edu/view/concept/7a634808-78ff-4558-96a3-8e7a616c756e">Yale LUX</a></span></li></ul></div></td></tr></tbody></table></div>

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