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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Integrated receiver/decoder</span></span>
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<p>An <b>integrated receiver/decoder</b> (<b>IRD</b>) is an electronic <a href="../Integrated_circuit" title="Integrated circuit">device</a> used to <a href="../Receiver_(radio)" class="mw-redirect" title="Receiver (radio)">receive</a> a <a href="../Radio-frequency_signal" class="mw-redirect" title="Radio-frequency signal">radio-frequency signal</a> and convert <a href="../Digital_data" title="Digital data">digital</a> information transmitted in it.
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<div class="mw-heading mw-heading2"><h2 id="Consumer_IRDs">Consumer IRDs</h2></div>
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</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="../Set-top_box" title="Set-top box">Set-top box</a></div>
<p>Consumer IRDs, commonly called <a href="../Set-top_box" title="Set-top box">set-top boxes</a>, are used by end users and are much cheaper compared to professional IRDs. To curb content piracy, they also lack many features and <a href="../Interface_(computer_science)" class="mw-redirect" title="Interface (computer science)">interfaces</a> found in professional IRDs such as outputting uncompressed <a href="../Serial_digital_interface" title="Serial digital interface">SDI</a> video or <a href="../Asynchronous_serial_interface" title="Asynchronous serial interface">ASI</a> <a href="../MPEG_transport_stream" title="MPEG transport stream">transport stream</a> dumps. They are also designed to be more aesthetically pleasing.
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<div class="mw-heading mw-heading2"><h2 id="Professional_IRDs">Professional IRDs</h2></div>
<p>Commonly found in <a href="../Radio" title="Radio">radio</a>, <a href="../Television" title="Television">television</a>, <a href="../Cable_television" title="Cable television">cable</a> and <a href="../Satellite" title="Satellite">satellite</a> broadcasting facilities, the IRD is generally used for the reception of contribution feeds that are intended for re-broadcasting. The IRD is the interface between a receiving <a href="../Satellite_dish" title="Satellite dish">satellite dish</a> or <a href="../Telecommunications_company" title="Telecommunications company">telco</a> networks and a broadcasting facility video/audio infrastructure.
</p><p>Professional IRDs have various features that consumer IRDs lack such as:
</p>
<ul><li>SDI outputs.</li>
<li><a href="../Asynchronous_serial_interface" title="Asynchronous serial interface">ASI</a> inputs / outputs.</li>
<li><a href="../Professional_video_over_IP" title="Professional video over IP">TSoIP</a> inputs.</li>
<li><a href="../AES/EBU" class="mw-redirect" title="AES/EBU">AES/EBU</a> Audio decoding.</li>
<li><a href="../Vertical_blanking_interval" title="Vertical blanking interval">VBI</a> reinsertion.</li>
<li><a href="../Widescreen_signaling" title="Widescreen signaling">WSS</a> data and pass through.</li>
<li><a href="../MPEG_transport_stream" title="MPEG transport stream">Transport stream</a> demultiplexing.</li>
<li><a href="../Genlock" title="Genlock">Genlock</a> input.</li>
<li><a href="../Frame_synchronization" title="Frame synchronization">Frame synchronization</a> of digital video output to analogue input.</li>
<li><a href="../Closed_captioning" title="Closed captioning">Closed captions</a> and <a href="../Video_signal_generator" class="mw-redirect" title="Video signal generator">VITS</a>/<a href="../Issue_tracking_system" title="Issue tracking system">ITS</a>/<a href="../Vertical_interval_timecode" title="Vertical interval timecode">VITC</a> Insertion.</li>
<li>Video <a href="../Test_card" title="Test card">test pattern</a> generator.</li>
<li>Remote management over <a href="../Local_area_network" title="Local area network">LAN</a>/<a href="../Wide_area_network" title="Wide area network">WAN</a>.</li>
<li><a href="../General_Purpose_Input/Output" class="mw-redirect" title="General Purpose Input/Output">GPI</a> interface - For sending external alarm triggers.</li>
<li><a href="../19-inch_rack" title="19-inch rack">Rack</a> mountable.</li></ul>
<div class="mw-heading mw-heading2"><h2 id="Uses">Uses</h2></div>
<ul><li><a href="../Direct_broadcast_satellite" class="mw-redirect" title="Direct broadcast satellite">direct broadcast satellite</a> (DBS) <a href="../Television" title="Television">television</a> applications like <a href="../DirecTV" title="DirecTV">DirecTV</a>, <a href="../SES_Astra" title="SES Astra">Astra</a> or <a href="../DishTV" class="mw-redirect" title="DishTV">DishTV</a></li>
<li><a href="../Fixed_service_satellite" class="mw-redirect" title="Fixed service satellite">fixed service satellite</a> (FSS) applications like <a href="../VideoCipher" class="mw-redirect" title="VideoCipher">VideoCipher</a>, <a href="../DigiCipher" class="mw-redirect" title="DigiCipher">DigiCipher</a>, or <a href="../PowerVu" title="PowerVu">PowerVu</a></li>
<li><a href="../Digital_audio_radio_satellite" class="mw-redirect" title="Digital audio radio satellite">digital audio radio satellite</a> (DARS) applications like <a href="../XM_Satellite_Radio" title="XM Satellite Radio">XM Satellite Radio</a> and <a href="../Sirius_Satellite_Radio" title="Sirius Satellite Radio">Sirius Satellite Radio</a></li>
<li><a href="../Digital_audio_broadcasting" class="mw-redirect" title="Digital audio broadcasting">digital audio broadcasting</a> (DAB) applications like <a href="../Eureka_147" class="mw-redirect" title="Eureka 147">Eureka 147</a> and <a href="../IBOC" class="mw-redirect" title="IBOC">IBOC</a></li>
<li><a href="../Digital_Video_Broadcasting" class="mw-redirect" title="Digital Video Broadcasting">digital video broadcasting</a> (DVB) applications like <a href="../DVB-T" title="DVB-T">DVB-T</a> and <a href="../ATSC_Standards" class="mw-redirect" title="ATSC Standards">ATSC</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
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<div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Integrated_receiver/decoders" class="extiw external" title="commons:Category:Integrated receiver/decoders">Integrated receiver/decoders</a></span>.</div></div>
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<ul><li><a href="../ATSC_tuner" title="ATSC tuner">ATSC tuner</a></li></ul>
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