Advanced Content provides interactivity in the HD DVD optical disc format.
76-425: Advanced Content is used to provide interactive menus and "special features" such as additional bonus/extras content and games for HD DVD (one of the high-definition video formats ). The Advanced Content runtime engine is responsible for responding to user navigation input (e.g., from a remote control) as well as events set to occur during playback of a movie, controlling all actions and interactive properties during
152-533: A Processing Key was found that could be used to decrypt all HD content that had been released at the time. The processing key was widely published on the Internet after it was found and the AACS LA sent multiple DMCA takedown notices with the aim of censoring it. This caused trouble on some sites that rely on user-submitted content, like Digg and Misplaced Pages , when administrators tried to remove any mentions of
228-399: A blue laser with a shorter wavelength (with the exception of the 3× DVD and HD REC variants), and it stored about 3.2 times as much data per layer as its predecessor (maximum capacity: 15 GB per layer compared to 4.7 GB per layer on a DVD). The format was commercially released in 2006 and fought a protracted format war with rival Blu-ray . On February 19, 2008, Toshiba abandoned
304-528: A 1080-line format, with companion supplements in 480i or 480p . The vast majority of releases were encoded with VC-1, and most of the remaining titles encoded with H.264/MPEG-4 AVC . If a publisher wishes to restrict use of its HD DVD content, it may use the Advanced Access Content System ( AACS ) although this is not required for normal disc playback. AACS is a standard for content distribution and digital rights management . It
380-685: A Blu-ray writer that also read HD DVD discs (but could not write to them). HD DVD competed primarily with Blu-ray Disc. Both formats were designed as successors to DVD , capable of higher quality video and audio playback, and of greater capacity when used to store video, audio, and computer data. Blu-ray Disc and HD DVD share most of the same methods of encoding media onto discs with each other, resulting in equivalent levels of audio and visual quality, but differ in other aspects such as interactive capabilities, internet integration, usage control and enforcement, and in which features were mandatory for players. The storage size also varies: A dual-layer HD DVD holds
456-420: A DOM structure from an XML or JSON data, using JavaScript methods to parse the data and create the nodes accordingly. Creating a DOM structure does not necessarily mean that it will be displayed in the web page, it only exists in memory and should be appended to the document body or a specific container to be rendered. In summary, creating a DOM structure involves creating individual nodes and organizing them in
532-459: A DOM structure is using the innerHTML property to insert HTML code as a string, creating the elements and children in the process. For example: Another method is to use a JavaScript library or framework such as jQuery , AngularJS , React , Vue.js , etc. These libraries provide a more convenient, eloquent and efficient way to create, manipulate and interact with the DOM. It is also possible to create
608-778: A compromise between the Blu-ray Disc Association and Microsoft by demanding that Blu-ray Disc use Microsoft's HDi instead of BD-J and threatening to support HD DVD instead. The Blu-ray Disc Association did not agree to HP's demands. On March 31, 2006, Toshiba released their first consumer-based HD DVD player in Japan at ¥ 110,000 (US$ 934). HD DVD was released in the United States on April 18, 2006, with players priced at $ 499 and $ 799. The first HD DVD titles were released on April 18, 2006. They were The Last Samurai , Million Dollar Baby , and The Phantom of
684-507: A day each due to both limited quantities and high demand at that price point. In the same month, the HD DVD promotion group announced that 750,000 HD DVD players had been sold, which included stand-alone players and the Xbox 360 add-on. In January 2008 Toshiba announced that close to one million dedicated HD DVD players had been sold. As of June 24, 2008, 475 HD DVD titles had been released in
760-532: A desktop/laptop personal computer (PC) running Windows XP , Windows Vista , Mac OS X v10.5 "Leopard", and many varieties of Linux . Third-party player software for Windows and Linux have successfully played HD DVD titles using the add-on drive. Released at the end of November 2006, the Microsoft HD DVD drive for the Xbox 360 game-console gives the Xbox 360 the ability to play HD DVD movies. The drive
836-453: A different part of the application) and the process starts again. Advanced Content includes an XML element grammar based on HTML for content such as images, buttons, text, etc.; An XML attribute grammar based on CSS and XSL to describe layout, color, font types, etc.; and an element and attribute grammar based on SMIL for timing, animation, eventing, and synchronization. Whilst it is possible to write complex, interactive pages using only
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#1732791486911912-583: A free download, as a part of the HD DVD Interactivity Jumpstart Kit, to let users author and debug HDi content on computers running Windows XP , although this is not intended as a full authoring tool nor a playback device. HDi is not inherently limited to being used on optical media; it can be used on media delivered or streamed over the Internet or any other network. In fact, on October 4, 2007, Toshiba and Microsoft announced
988-451: A hierarchical structure using JavaScript or other programming languages, and it can be done using several methods depending on the use case and the developer's preference. Because the DOM supports navigation in any direction (e.g., parent and previous sibling) and allows for arbitrary modifications, implementations typically buffer the document. However, a DOM need not originate in a serialized document at all, but can be created in place with
1064-459: A lengthy patent lawsuit delayed commercial introduction. Sony started two projects applying the new diodes: UDO (Ultra Density Optical) and DVR Blue together with Philips, a format of rewritable discs which would eventually become Blu-ray Disc (more specifically, BD-RE) and later on with Pioneer a format of read only discs (BD-ROM). The two formats share several technologies (such as the AV codecs and
1140-532: A loaded HTML document. DHTML required extensions to the rudimentary document object that was available in the Legacy DOM implementations. Although the Legacy DOM implementations were largely compatible since JScript was based on JavaScript, the DHTML DOM extensions were developed in parallel by each browser maker and remained incompatible. These versions of the DOM became known as the "Intermediate DOM". After
1216-468: A maximum of 30 GB of data, while a dual-layer Blu-ray Disc carries 50 GB. Even after finalizing the HD DVD standard, engineers continued developing the technology. A 51 GB triple-layer spec was approved at the DVD Forums 40th Steering Committee Meeting (held on November 15, 2007). No movies had been scheduled for this disc type, and Toshiba had declined to say whether the 51 GB disc
1292-431: A product based on the chip. HD DVD-R is the writable disc variant of HD DVD, available with a single-layer capacity of 15 GB or a dual-layer capacity of 30 GB. Write speeds depend on drive speed, with a data rate of 36.55 Mbit/s (4.36 MB/s) and a recording time of 56 minutes for 1× media, and 73 Mbit/s (8.71 MB/s) and a recording time of 28 minutes for 2×. The Toshiba SD-L902A for notebooks
1368-450: A protective caddy to avoid mis-handling by the consumer (early CD-Rs also featured a protective caddy for the same purpose.) The Blu-ray Disc prototype's caddy was both expensive and physically different from DVD, posing several problems. In March 2002, the forum voted to approve a proposal endorsed by Warner Bros. and other motion picture studios that involved compressing HD content onto dual-layer DVD-9 discs. In spite of this decision,
1444-443: A scripting environment (BDMV) or a Java-based platform ( BD-J ). DVD video discs use pre-rendered MPEG segments, selectable subtitle pictures, and simple programmatic navigation which is considerably more limited. Backward compatibility is available with all HD DVD players, allowing users to have a single player to play all types of HD DVD, DVD and CD. There is also a hybrid HD DVD format which contains both DVD and HD DVD versions of
1520-597: Is a mandatory part of the HD DVD-Video specification. Its features were defined by content providers (specifically Disney and Warner Bros. ) based on the scenarios they required for a next generation disc format. The most popular implementation of Advanced Content (running in both the Toshiba HD DVD players and Microsoft Xbox 360 add-on) is Microsoft's HDi . The rival Blu-ray format does not use Advanced Content. It uses BD-J instead. Advanced Content
1596-475: Is also notable as New Line Cinema 's only film to be released on HD DVD, as the studio quickly shifted to Blu-ray. Death Proof was released on HD DVD format as a special-release steelbook by Senator Films in Germany on December 15, 2008. On April 3, 2010, Engadget reported that Anthem Films would release the film Deadlands 2: Trapped on HD DVD in a limited run of 500 copies. This eventually happened in
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#17327914869111672-408: Is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects. DOM methods allow programmatic access to the tree; with them one can change the structure, style or content of a document. Nodes can have event handlers (also known as event listeners) attached to them. Once an event is triggered,
1748-461: Is developed by AACS Licensing Administrator, LLC (AACS LA), a consortium that includes Disney , Intel , Microsoft, Panasonic , Warner Bros., IBM , Toshiba and Sony . One of the advantages over CSS , the content restriction system for DVDs, is that AACS allows content providers to revoke an individual player device model if its cryptographic keys have been compromised (meaning that it will not be able to decrypt subsequently released content). There
1824-406: Is no Region Coding in the existing HD DVD specification, which means that titles from any country can be played in players in any other country. Since appearing in devices in 2006, several successful attacks have been made on the format. The first known attack relied on the trusted client problem. In addition, decryption keys have been extracted from a weakly protected player ( WinDVD ). Notably,
1900-506: Is rendered in browsers, the browser downloads the HTML into local memory and automatically parses it to display the page on screen. However, the DOM does not necessarily need to be represented as a tree, and some browsers have used other internal models. When a web page is loaded, the browser creates a Document Object Model of the page, which is an object oriented representation of an HTML document that acts as an interface between JavaScript and
1976-466: Is that reader-writer technology available may not be able to support the additional data layers. NEC , Broadcom , Horizon Semiconductors , and STMicroelectronics have separately developed a single chip/laser that can read both the HD DVD and the Blu-ray Disc standard. Broadcom and STMicroelectronics will be selling their dual-format single chip/laser solution to any OEM willing to develop
2052-559: Is the HDi Interactive Format , and "HDi" is frequently used to refer to the Advanced Content system. Advanced Content is based on web technologies such as HTML , XML , CSS , SMIL , and ECMAScript ( JavaScript ), so authoring in Advanced Content should be a fairly easy transition for web developers. No existing DVD authoring experience is required. In comparison, Blu-ray Disc content is authored using either
2128-627: Is the composition of the images from the individual planes. The composition of the planes into the final image is handled by the HDi runtime. These rendering layers, from back to front, are: Microsoft does not provide design tools for development of HDi applications, though third parties have made such tools available. Because the components used by Advanced Content (and HDi) - XML , XSL-FO , XPath , ECMAScript - are widely used, any development tool supporting these can be used to develop HDi applications. However, Microsoft has made an HDi simulator available as
2204-451: Is written using the declarative XML language and the imperative ECMAScript language. Advanced Content applications are very similar in structure to AJAX applications on the web, using a combination of script and markup in an asynchronous execution model. A "page" is created using markup and it can be modified over time based on user input, the progression of the movie, and so on. A new "page" may be loaded as needed (e.g., when switching to
2280-585: The DVD-RAM and specifications for it were developed, but the format never reached the market. In the late 1990s, commercial HDTV sets started to enter a larger market, but there was no inexpensive way to record or play back HD content. JVC 's D-VHS and Sony 's HDCAM formats could store that amount of data, but were neither popular nor well-known. It was known that using lasers with shorter wavelengths would yield optical storage with higher density. Shuji Nakamura invented practical blue laser diodes , but
2356-511: The GPL appears in the manuals. The current specification books for HD DVD are listed at the DVD FLLC website. HD DVD-ROM, HD DVD-R and HD DVD-RW have a single-layer capacity of 15 GB, and a dual-layer capacity of 30 GB. HD DVD-RAM has a single-layer capacity of 20 GB. Like the original DVD format, the data layer of an HD DVD is 0.6 mm below the surface to physically protect
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2432-696: The WHATWG , which continues to maintain a living standard. In 2009, the Web Applications group reorganized DOM activities at the W3C. In 2013, due to a lack of progress and the impending release of HTML5 , the DOM Level 4 specification was reassigned to the HTML Working Group to expedite its completion. Meanwhile, in 2015, the Web Applications group was disbanded and DOM stewardship passed to
2508-508: The videotape format war between VHS and Betamax , HD DVD was competing with a rival format, Blu-ray Disc. In an attempt to avoid a costly format war, the Blu-ray Disc Association and DVD Forum attempted to negotiate a compromise in early 2005. One of the issues was that Blu-ray Disc companies wanted to use a Java-based platform for interactivity ( BD-J based on Sun Microsystems ' Java TV standards), while HD DVD companies wanted to use Microsoft's "iHD" (which became HDi ). Another problem
2584-457: The DOM API. And even before the idea of the DOM originated, there were implementations of equivalent structure with persistent disk representation and rapid access, for example DynaText 's model disclosed in and various database approaches. Web browsers rely on layout engines to parse HTML into a DOM. Some layout engines, such as Trident/MSHTML , are associated primarily or exclusively with
2660-417: The DOM tree as: The DOM tree can be manipulated using JavaScript or other programming languages. Common tasks include navigating the tree, adding, removing, and modifying nodes, and getting and setting the properties of nodes. The DOM API provides a set of methods and properties to perform these operations, such as getElementById , createElement , appendChild , and innerHTML . Another way to create
2736-423: The DOM tree. Text nodes do not have attributes or child nodes, and are always leaf nodes in the tree. For example, the text content "My Website" in the title element and "Welcome" in the h1 element in the above example are both represented as text nodes. Attributes of an element are represented as properties of the element node in the DOM tree. For example, an element with the following HTML: will be represented in
2812-563: The DVD Forum's Steering Committee announced in April that it was pursuing its own blue-laser high-definition solution. In August, Toshiba and NEC announced their competing standard Advanced Optical Disc. It was adopted by the DVD forum and renamed to HD DVD the next year. The HD DVD Promotion Group was a group of manufacturers and media studios formed to exchange thoughts and ideas to help promote
2888-683: The Document Object Model is intertwined with the history of the " browser wars " of the late 1990s between Netscape Navigator and Microsoft Internet Explorer , as well as with that of JavaScript and JScript , the first scripting languages to be widely implemented in the JavaScript engines of web browsers . JavaScript was released by Netscape Communications in 1995 within Netscape Navigator 2.0. Netscape's competitor, Microsoft , released Internet Explorer 3.0
2964-482: The HD DVD group reported that they had sold 100,000 dedicated HD DVD units in the United States. In the middle of 2007, the first HD DVD recorders were released in Japan. In November 2007, the Toshiba HD-A2 was the first high-definition player to be sold at a sale price of less than $ 100. This was done through several major retailers to make room for the new HD-A3 models. These closeout sales lasted less than
3040-413: The HD DVD's original sleeve art to be returned to Warner as proof of purchase. The turnaround time for processing was approximately two weeks. Multi-disc sets were exchangeable at a discount, such as $ 14.95 for the five-disc Blade Runner release rather than $ 24.75. No exchanges were offered to customers outside the United States. Toshiba-branded HD DVD players use open source software such as Linux as
3116-461: The Opera by Warner Home Video and Serenity by Universal Studios . The first independent HD film released on HD DVD was One Six Right . In December 2006 Toshiba reported that roughly 120,000 Toshiba branded HD DVD players had been sold in the United States, along with 150,000 HD DVD add-on units for the Xbox 360 . On April 17, 2007, one year after the first HD DVD titles were released,
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3192-545: The US. As of April 29, 2008, 236 HD DVD titles had been released in Japan. Approximately 232 were released in the UK. On January 4, 2008, citing consumer confusion and indifference as a reason for lackluster high-definition software sales, Warner Bros. publicly announced it would stop supporting HD DVD by June 2008, and the company would release HD titles only on Blu-ray Disc. This was followed by news of Netflix phasing out support for
3268-582: The Web Platform group. Beginning with the publication of DOM Level 4 in 2015, the W3C creates new recommendations based on snapshots of the WHATWG standard. To render a document such as a HTML page, most web browsers use an internal model similar to the DOM. The nodes of every document are organized in a tree structure , called the DOM tree , with the topmost node named as "Document object". When an HTML page
3344-531: The Wild , Warner's P.S. I Love You and Twister , on May 27, 2008. In June, the final HD DVD, Freedom: 6 , was released by Bandai Visual, which acknowledged the demise of HD DVD, but stated that it wanted to complete the release of the seven-part Freedom Project , of which six parts had been released. The seventh part, due for August 2008, never saw a release. Disco Pigs was announced but postponed, with no new date announced for release. Pan's Labyrinth
3420-563: The XML dialect and ECMAScript, the latter of which is processed by the JScript engine when running on Microsoft Windows platforms. The HDi runtime exposes the APIs defined by the Advanced Content standard. It provides only a single threaded programming model, though certain operations (such as network and persistent storage access) are executed as asynchronous operations. An HD DVD movie, including
3496-568: The Xbox 360 , though they could be read back by the SD-L902A. HD DVD-RW is the rewritable disc variant of HD DVD with equal storage capacity to an HD DVD-R. The primary advantage of HD DVD-RW over HD DVD-R is the ability to erase and rewrite to an HD DVD-RW disc, up to about 1,000 times before needing replacement, making them comparable with the CD-RW and DVD-RW standards. This is also of benefit if there are writing errors when recording data, as
3572-510: The Xbox 360 HD DVD add on drive would reflect a heavily discounted price down to $ 49.99. In 2007, LG and Samsung released standalone consumer players that could read both HD DVD and Blu-ray Discs. The machines were sold at premium prices, but failed to sell in large quantities. In May 2008, both companies announced they would stop manufacturing dual-compatibility drives. A few computer manufacturers (such as HP and Acer ) sold computers with combination HD DVD/Blu-ray Disc drives. LG marketed
3648-479: The action. The playback of the video, along with its integration with the rest of the navigation system, is initiated from and controlled by script code. The HDi runtime is responsible for execution and final rendering of the movie playback and navigation application. The markup is parsed into a Document Object Model , which allows ECMAScript code to control and modify the UI layout during execution. By dynamically altering
3724-576: The aforementioned formats, or in one of the HD DVD optional codecs: DTS-HD High Resolution Audio and DTS-HD Master Audio . For the highest-fidelity audio experience, HD DVD offers content-producers the choice of LPCM, Dolby TrueHD and DTS-HD Master Audio. HD DVD video can be encoded using VC-1 , H.264/MPEG-4 AVC , or H.262/MPEG-2 Part 2 . A wide variety of resolutions are supported, from low-resolution CIF , all SDTV resolutions supported by DVD-Video, and HDTV formats: 720p , 1080i , and 1080p . All studio-released movie titles have featured video in
3800-453: The announcement included: Some examples of Advanced Content on HD DVD are: HD DVD HD DVD (short for High Density Digital Versatile Disc ) is an obsolete high-density optical disc format for storing data and playback of high-definition video . Supported principally by Toshiba , HD DVD was envisioned to be the successor to the standard DVD format, but lost to Blu-ray , supported by Sony and others. HD DVD employed
3876-547: The creation of the Advanced Interactivity Consortium (AIC) to "extend and promote interactive experiences beyond optical media to new platforms." The Advanced Interactivity Consortium (AIC) was to be an open forum designed to extend the Advanced Content interactive capabilities of HD DVD to new devices and delivery mechanisms. It was jointly announced by Toshiba and Microsoft on October 4, 2007 but never implemented. The companies included in
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#17327914869113952-895: The data layer from damage. The numerical aperture of the optical pick-up head is 0.65, compared with 0.6 for DVD. All HD DVD players are backward compatible with DVD and CD. As with previous optical disc formats, HD DVD supports several file systems , such as ISO 9660 and Universal Disk Format (UDF). All HD DVD titles use UDF version 2.5 as the file system. In this file system, multiplexed audio and video streams are stored in EVO container format . The HD DVD format supports encoding in up to 24-bit/192 kHz for two channels, or up to eight channels of up to 24-bit/96 kHz encoding. All HD DVD players are required to decode uncompressed linear PCM , Dolby Digital AC-3, Dolby Digital EX , DTS , Dolby Digital Plus E-AC-3 and Dolby TrueHD . A secondary soundtrack, if present, can be stored in any of
4028-471: The declarative XML dialect, any interactions with the player itself (e.g., to change audio language or jump to a new title) requires imperative code written in ECMAScript. To support the ECMAScript code, Advanced Content defines a large number of objects, properties, and methods (" APIs ") that are analogous to the DOM in a web browser; these APIs allow the script to query and control the player, animate
4104-405: The disc is not ruined and can still store data by erasing the faulty data. The dual-layer variant was never released and the single-layer variant was, but it is among the rarest of optical media. Document Object Model The Document Object Model ( DOM ) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein each node
4180-421: The document itself. This allows the creation of dynamic web pages , because within a page JavaScript can: A Document Object Model (DOM) tree is a hierarchical representation of an HTML or XML document. It consists of a root node, which is the document itself, and a series of child nodes that represent the elements, attributes, and text content of the document. Each node in the tree has a parent node, except for
4256-490: The event handlers get executed. The principal standardization of the DOM was handled by the World Wide Web Consortium (W3C), which last developed a recommendation in 2004. WHATWG took over the development of the standard, publishing it as a living document . The W3C now publishes stable snapshots of the WHATWG standard. In HTML DOM (Document Object Model), every element is a node: The history of
4332-423: The following year with a reimplementation of JavaScript called JScript. JavaScript and JScript let web developers create web pages with client-side interactivity. The limited facilities for detecting user-generated events and modifying the HTML document in the first generation of these languages eventually became known as "DOM Level 0" or "Legacy DOM." No independent standard was developed for DOM Level 0, but it
4408-453: The form of HD DVD-Rs. Deadlands: The Rising , announced on September 5, 2010, was released on HD DVD in limited numbers. As with the previously released Deadlands 2: Trapped , the film was pressed on HD DVD-R disc. In mid-2009, Warner offered to replace any HD DVD Warner home video release with a Blu-ray Disc equivalent for $ 4.95, plus $ 6.95 shipping to the contiguous United States or $ 8.95 to Alaska, Hawaii or Puerto Rico. The deal required
4484-417: The format (including firmware updates), effectively making the platform obsolete. The company cited "recent major changes in the market". Shipments of HD DVD machines to retailers were reduced and eventually stopped by the end of March 2008. Toshiba later revealed that they lost about $ 986 million on the format's failure. The final HD DVD major-studio releases in the United States were Paramount's Into
4560-521: The format worldwide. Its members comprised Toshiba as the Chair Company and Secretary, Memory-Tech Corporation and NEC as Vice-Chair companies, and Sanyo Electric as Auditors; there were 61 general members and 72 associate members in total. The HD DVD promotion group was officially dissolved on March 28, 2008, following Toshiba's announcement on February 19, 2008 that it would no longer develop or manufacture HD DVD players and drives. Much like
4636-491: The format, announcing it would no longer manufacture HD DVD players and drives. The HD DVD Promotion Group was dissolved on March 28, 2008. The HD DVD physical disc specifications (but not the codecs ) were used as the basis for the China Blue High-definition Disc (CBHD) formerly called CH-DVD. Besides recordable and rewritable variants, a HD DVD-RAM variant was proposed as the successor to
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#17327914869114712-478: The format, and Best Buy 's decision to recommend Blu-ray Disc over HD DVD in its retail locations and to remove HD DVD players as part of its ongoing "HDTV advantage" promotion. Finally, retailer Wal-Mart announced that it would be supporting only Blu-ray Disc by June 2008. On February 19, 2008, Toshiba announced plans to discontinue development, marketing and manufacturing of HD DVD players while still providing product support and after-sale service to consumers of
4788-406: The interactive functionality, is presented as an Advanced Content application, which is executed and rendered by the HDi runtime. The advanced content application consists of the playlist files ( .xpl ), subtitles ( .xas ), markup files ( .xmu ) and scripts ( .js ) in addition to the actual video, in a defined directory structure. The HDi runtime parses the markup and the scripts to execute
4864-555: The key. AACS has also been circumvented by SlySoft with their program AnyDVD HD, which allows users to watch HD DVD movies on non- HDCP -compliant PC hardware. SlySoft has stated that AnyDVD HD uses several different mechanisms to disable the encryption, and is not dependent on the use of a single compromised encryption key. Other AACS circumvention programs have become available, like DVDFab HD Decrypter. HD DVDs use Advanced Content to allow interactive content to be authored for discs. Microsoft's implementation of Advanced Content
4940-560: The laser diode). In February 2002, the project was officially announced as Blu-ray Disc, and the Blu-ray Disc Association was founded by the nine initial members. The DVD Forum (chaired by Sony) was deeply split over whether or not to go with the more expensive blue lasers. Although today's Blu-ray Discs appear virtually identical to a standard DVD, when the Blu-ray Discs were initially developed they required
5016-451: The layout of UI widgets is how animations and interactivity is achieved. The DOM and associated APIs is used to enable other scenarios such as pausing playback and replacing it with the navigation UI, or seeking to a certain area in the movie (used for either manual seek or seeking to bookmarks). For the rendering stack, it presents six planes (which are containers for graphics) that are layered in front of each other. The final image displayed
5092-453: The markup page, respond to user events, and connect to the internet to download new content such as trailers, cast & crew bios, or other information. HDi (formerly iHD ) is Microsoft 's implementation of the Advanced Content interactivity layer in HD DVD . It is used in the Xbox 360 HD DVD add-on as well as stand-alone HD DVD players. Applications written for HDi are written using
5168-467: The playback of a movie. The Advanced Content specification was developed by Microsoft and Disney with input from other members of the DVD Forum including Toshiba and Sonic Solutions . Advanced Content also enables network access to download additional content and access to persistent storage which is used for storing bookmarks and other state information. The ability to play back Advanced Content
5244-408: The root node, and can have multiple child nodes. Elements in an HTML or XML document are represented as nodes in the DOM tree. Each element node has a tag name and attributes, and can contain other element nodes or text nodes as children. For example, an HTML document with the following structure: will be represented in the DOM tree as: Text content within an element is represented as a text node in
5320-581: The same movie on a single disc, providing a smooth transition for the studios in terms of publishing movies, and allowing consumers with only DVD players to still use the discs. DVD replication companies can continue using their current production equipment with only minor alterations when changing over to the format of HD DVD replication. Due to the structure of the single-lens optical head, both red and blue laser diodes can be used in smaller, more compact HD DVD players. However, HD DVD discs can't be played on standard DVD players. HD DVD drives can also be used with
5396-645: The standardization of ECMAScript , the W3C DOM Working Group began drafting a standard DOM specification. The completed specification, known as "DOM Level 1", became a W3C Recommendation in late 1998. By 2005, large parts of W3C DOM were well-supported by common ECMAScript-enabled browsers, including Internet Explorer 6 (from 2001), Opera , Safari and Gecko -based browsers (like Mozilla , Firefox , SeaMonkey and Camino ). The W3C DOM Working Group published its final recommendation and subsequently disbanded in 2004. Development efforts migrated to
5472-418: Was announced with an MSRP of US$ 199 and includes a USB 2.0 cable for connection to the console. The first drives also included Peter Jackson's King Kong or Christopher Nolan's Batman Begins on HD DVD. The final "regular" for the drive was US$ 129.99 as of February 25, 2008. On February 23, 2008 Microsoft discontinued the Xbox 360 HD DVD player. On February 26, 2008, Microsoft "officially" announced that
5548-633: Was compatible with existing drives and players. Specification 2.0 Part 1 (Physical Specification) for triple layer HD DVD had been approved in November 2007. At the CES 2007, Ritek revealed their high definition optical disc process that extended both competing high definition formats to ten layers, increasing capacity to 150 GB for HD DVD and 250 GB for Blu-ray Disc. A major obstacle to implementing this technology in either format (150 GB HD DVD will not be developed due to HD DVD's discontinuation)
5624-400: Was one of the first available HD DVD writers, although it was not meant for retail. Burning HD DVD (including Dual Layer) with a 1× write speed, it could also burn DVDs and CDs. In a test of the SD-L902A by C't computer magazine with Verbatim discs, the written HD DVD-Rs suffered from high noise levels, as a result, the written discs could not be recognized by the external HD DVD drive of
5700-794: Was partly described in the specifications for HTML 4 . Legacy DOM was limited in the kinds of elements that could be accessed. Form , link and image elements could be referenced with a hierarchical name that began with the root document object. A hierarchical name could make use of either the names or the sequential index of the traversed elements. For example, a form input element could be accessed as either document.myForm.myInput or document.forms[0].elements[0] . The Legacy DOM enabled client-side form validation and simple interface interactivity like creating tooltips . In 1997, Netscape and Microsoft released version 4.0 of Netscape Navigator and Internet Explorer respectively, adding support for Dynamic HTML (DHTML) functionality enabling changes to
5776-500: Was the physical formats of the discs themselves. The negotiations proceeded slowly and ultimately stalled. On August 22, 2005, the Blu-ray Disc Association and DVD Forum announced that the negotiations to unify their standards had failed. Rumors surfaced that talks had stalled; publicly, the same reasons of physical format incompatibility were cited. By the end of September that year, Microsoft and Intel jointly announced their support for HD DVD. Hewlett-Packard attempted to broker
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