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In</span> … <br/> <a href="/web/20131015055301/http://www.cablelabs.com/wireless/index.html" class="btn">explore</a></td> <td></td> <td></td> <td></td> <td></td> <td></td> <td></td> </tr> </table> </div> </li>  <li class="mega"> <h2><a href="/web/20131015055301/http://www.cablelabs.com/specifications/" class="tab-spec tab-spec-on"></a></h2> <div class="innertube"> <table class="tbl-spec"> <tr> <td> <h3><a href="/web/20131015055301/http://www.cablelabs.com/cablemodem/specifications/index.html">DOCSIS®</a></h3> <p>Cable television operators have transitioned from a traditional core business of entertainment programming to a position … </p></td> <td> <h3><a href="/web/20131015055301/http://www.cablelabs.com/projects/metadata/specifications/index.html">VOD Metadata</a></h3> <p>The Metadata project aims to specify the metadata and interfaces for distribution of content from multiple content providers to cable operators … </p></td> <td><h3><a href="/web/20131015055301/http://www.cablelabs.com/wireless/specifications/index.html">Wireless</a></h3> The CableLabs Wi-Fi specifications are designed to help bring cable operator broadband services to mobile data subscribers. Subscribers … </td> <td rowspan="3"> <h3>Search</h3> Search the Product Specification database by entering keywords or phrases below. <form name="fm-search" method="get" id="fm-search" action="/web/20131015055301/http://www.cablelabs.com/search/specsearch.html"> <input name="words" class="txt-search" type="text" size="14"/> <input type="hidden" name="config" value="public"> <input type="image" src="/web/20131015055301im_/http://www.cablelabs.com/graphics/btn-search.png" alt="Search Specifications" class="btn-search"/> </form> <span><a href="/web/20131015055301/http://www.cablelabs.com/search/specsearch.html?config=public&words=">advanced search</a></span></td> </tr> <tr> <td> <h3><a href="/web/20131015055301/http://www.cablelabs.com/packetcable/specifications/index.html">PacketCable™</a></h3> <p>PacketCable™ seeks to define a QoS-enabled, IP-based services delivery platform which uses the capabilities of the DOCSIS® access network … </p></td> <td> <h3><a href="/web/20131015055301/http://www.cablelabs.com/advancedadvertising/specifications/index.html">Advertising & Interactive Services</a></h3> <p>The cable industry has targeted strategies for gaining additional advertising revenues through the use of enhanced TV specifications … </p></td> <td><h3><a href="/web/20131015055301/http://www.cablelabs.com/olca/index.html">OLCA</a></h3> <p>The Online Content Access (OLCA) project aims to develop use cases, technical requirements, protocols and architecture to allow digital  … </p></td> </tr> <tr> <td> <h3><a href="/web/20131015055301/http://www.cablelabs.com/opencable/specifications/index.html">OpenCable™</a></h3> <p>The OpenCable™ Platform was developed to enable a national platform for the delivery of interactive services, programming, and advertising … </p></td> <td> <h3><a href="/web/20131015055301/http://www.cablelabs.com/projects/crossproject/specifications/index.html">Cross Project</a></h3> Investigating the distribution of content assets from multiple content providers sent over diverse networks to cable operators … </td> <td> <h3><a href="/web/20131015055301/http://www.cablelabs.com/dpoe/specifications/index.html">DOCSIS® Provisioning of EPON</a></h3> <p>DOCSIS® Provisioning of EPON (DPoE™) enables Ethernet Passive Optical Network (EPON) equipment to be provisioned using existing DOCSIS-based … </p> </li></td> <td> </td> </tr> </table> </div> </li>  <li class="mega"> <h2><a href="/web/20131015055301/http://www.cablelabs.com/certqual/" class="tab-cert"></a></h2> <div class="innertube"> <table class="tbl-cert"> <tr> <td style="width:40%; vertical-align:top"> CableLabs strives to provide accurate and relevant information to our vendor and member communities in the best format possible.This area is designed to provide information related to DOCSIS®, PacketCable™, CableHome®, and OpenCable™ certification testing and specification programs.<br/><br/> Guidelines referenced in the Certification/Qualification area generally do not apply to UDCP products. If you are building unidirectional digital cable-ready products, please refer to the CableLabs UDCP site.<br/><br/> <a href="https://web.archive.org/web/20131015055301/mailto:se-mail@cablelabs.com">Contact us</a> for information on CableLabs Certification. </td> <td valign="top"> <h3><a href="/web/20131015055301/http://www.cablelabs.com/certqual/">Guidelines</a></h3> <ul class="list-arrow2"> <li><a href="/web/20131015055301/http://www.cablelabs.com/cablemodem/downloads/DOCSISCertWaveGuidelines.pdf">Certification Wave Requirements and Guidelines</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/certqual/guidelines/specs.html">General Information</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/certqual/guidelines/vendors.html">Rules for Vendors</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/certqual/guidelines/certification.html">How Certification is Determined</a></li> <li><a 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href="/web/20131015055301/http://www.cablelabs.com/wireless/" id="wireless">Wireless</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/olca/specifications/" id="olca">OLCA</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/dpoe/specifications/" id="dpoe">DPoE™</a></li> </ul> </div> <div id="main2"> <ul class="breadcrumbs"> <li><a href="/web/20131015055301/http://www.cablelabs.com/technologies/">Technologies</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/advancedadvertising/">Advertising & Interactive Services</a></li> <li>VOD MetadataSpecifications</li> </ul> <div class="clbox4"> <div id="in4"> <div class="in4_left"><h3>VOD Metadata Specifications</h3> </div><div class="in4_right"></div> <div class="clear"></div> <div class="desc">Technical specifications publicly available for manufacturers to reference are provided in PDF format only. Issued specifications undergo changes through an open Engineering Change Process.<br/> </div> </div> </div>  <div class="page-content"> <div class="clbox5"> <p>Consistent with current practice, Engineering Change Notices (ECNs) are considered to be part of the applicable specification, even though they may not yet be included in a published version of that specification. Therefore, for the purpose of compliance testing, CableLabs considers the current version of the specification to consist of the most recent, published version of the specification as it appears on CableLabs' Web site, and any ECNs approved since the specification publication but not yet incorporated into the specification. Note that ECNs are considered mandatory for Certification/Qualification in the Certification Wave or effective date as indicated in the ECN.<br/> <br/> Once ECNs are incorporated into the specification and the next version of the specification has been published, those incorporated ECNs will be removed from the public Web page and archived in DocZone. The public Web page will state if there are no ECNs for a particular project. </p> <br/> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td align="left" valign="top"><ul class="list-arrow"> <li><a href="ecns.html">VOD Metadata ECNs</a></li> <li><a href="specifications11.html">VOD Metadata 1.1</a></li> <li><a href="specifications30.html">VOD Metadata 3.0</a></li> </ul></td> <td align="left" valign="top"> </td> </tr> </table> </div><br/> <div id="specs_disclaimer"> These CableLabs documents are the result of a cooperative effort undertaken at the direction of Cable Television Laboratories, Inc., for the benefit of the cable industry and its customers. These documents may contain references to other documents not owned or controlled by CableLabs. Use and understanding of these documents may require access to other documents. Designing, manufacturing, distributing, using, selling, or servicing products, or providing services, based on these documents may require intellectual property licenses from third parties for technology referenced in this document.<br/><br/> Neither CableLabs nor any CableLabs member company is responsible to any party for any liability of any nature whatsoever resulting from or arising out of use or reliance upon these documents, or any documents referenced herein. Documents are furnished on an "AS IS" basis and neither CableLabs nor its members provides any representation or warranty, express or implied, regarding the accuracy, completeness, non-infringement, or fitness for a particular purpose of any documents, or any documents referenced herein. </div> </div> </div> <div id="sidebar2-right"> <a href="javascript:window.print()" style="display:block;height:40px;"><img src="/web/20131015055301im_/http://www.cablelabs.com/graphics/icon-print.png" alt="icon-print" width="36" height="31" align="right"/></a> <div class="clbox3"> <h5>More Information</h5> <ul> <li><a href="/web/20131015055301/http://www.cablelabs.com/projects/metadata/primer/index.html">Project Primer</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/advancedadvertising/contact/">Contact Advanced Advertising & Interactive Services</a></li> </ul> </div> </div> <div id="footer"> <span>© 2013 CableLabs, All Rights Reserved<br/>CableLabs, Revolutionizing Cable Technology is a registered trademark of CableLabs.</span> <ul> <li><a href="/web/20131015055301/http://www.cablelabs.com/join/index.html">become a member</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/sitemap/index.html">site map</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/about/contact/index.html">contact us</a></li> <li><a href="/web/20131015055301/http://www.cablelabs.com/privacy.html">privacy policy</a></li> </ul> </div> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-24446455-4']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 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