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`>= c
`PROVISIONAL APPLICATION COVER SHEET
`3S.
`= .—ir is a requestfor filing a PROVISIONAL APPLICATIONunder 37 CFR 1.53(c)
`
`=S0 Docket Number
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`148597.1
`
`Type a plus sign (+)
`inside this box
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`INVENTOR(S)/APPLICANT(S
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`Tarek
`Shannon
`Mukund
`Sandeep
`James
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`.
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`.
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`Elabaddy
`Chan
`Sankaranarayan
`Sahasrabudhe
`Alkove
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`Redmond, WA
`Redmond, WA
`Issaquah, WA
`Redmond, WA
`Woodinville, WA
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`TITLE OF THE INVENTION
`(280 characters max)
`Method and Sharing Media Libraries and playlists on data home networks
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`CORRESPONDENCE ADDRESS
`
`Bart Eppenauer
`Microsoft Corporation
`ATIN: Patent Docket Department
`One Microsoft Way
`Redmond, WA 98052-6399
`(425) 882-8080
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`‘& Specification|Number ofPages 66 xX Return Receipt Postcard
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`ef] Drawing(s)
`Number ofSheets
`Certificate of Mailing included below
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`ENCLOSED APPLICATION PARTS(check all that appl;
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`METHOD OF PAYMENT
`rr
`aX The Commissioneris hereby authorized to charge filing fees or credit any overpayment to Deposit Account Number: 50-0463.
`=: Total Fee Due: $150.00
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`‘This invention was not made by an agency of the United States Government or under a contract with an agency of the United States
`Government.
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`Respectfully su
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` Signature: Date: 03/26/2001
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`Typed or Printed Name:_D. Bartley Eppenauer
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`Reg. No. 35499
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`“Express Mail” Mailing Label number: EL 767143416
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`Date of Deposit: 03/26/2001
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`I herebycertify that this paper or fee is being deposited with the United States Services “Express Mail Post Office to Addressee” service under 37
`CFR onthe date indicated above and is addressed to the Assistant Commissioner for Patents, Washington, D.C. 20231
`a. DB
`Lisa Brick
`(Signature of person mailing paperorfee)
`(Typed or printed nameor person mailing paperor fee)
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`PROVISIONAL APPLICATION FILING ONLY_Netflix,Inc.et al. exnipt OeOo
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`Netflix, Inc. et al. Exhibit 1005
`1 of 67
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`Title of Invention: A method for sharing media libraries and playlists on data home networks
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`Inventors: Tarek Elabbady, Shannon Chan, Mukund Sankarayan, Sandeep Sahasrabudhe
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`The general plan for this design was shared under NDA with Compaq, Dell, and Broadcom
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`Introduction
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`This invention describes two software services: the media library service and the media catalogue service.
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`The Media Library service exposes a list of metadata describing media content stored on a home network
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`media stores and created by media jukeboxes living on PCs or digital AV devices. The Catalog Serviceis a
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`centralized service hosted by one PC that discovers and aggregates the contents of all medialibraries
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`published on the home network and presents a unified list that could be accessed from interested devices on
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`the network. Each item in the media library or the media catalog consists of metadata about a piece of
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`digital media such as an audio track, videoclip, ordigital image.
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`New Role for the PC in the Entertainment Arena: Theseservices provide excellent examples for why
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`PCs should play more center role in the connected home entertainment scenarios. By hosting these services,
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`the PC offers a content management on top of its present role as media storage and media gateway. The
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`consumerelectronics device companies have been rejecting such position for the PC.
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`Leadership Role: A new generation of digital audio and video players/recorders are appearing around usto
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`support digital/internet media mania. These devices are primarily focused on extending the digital media
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`and video beyondits storage location on the PCsor from the Internet servers directly. However, these
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`devices are now being introduced following no standard design. Each manufacture for these devices is
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`working on proprietary solutions for presenting, accessing, and controlling the digital media contents
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`available on the home network. By implementing these services in the platforms, device companieswill be
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`encouraged to adopt our approach that can becomethe standard for such applications. The more
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`standardized the designs become, the more successful it will be in the market place, and the less confused
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`Motivation for the Invention:
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`The digital media is the fastest growing Ecommerceactivity in this era. The PC is the number one gateway
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`for media contents today, and is the most logical choiceto store it. The consumer media experience in the
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`homeusually takes place in rooms away from the PC-room. Digital Media device companies saw the need
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`for a device that can pull/receive the digital media from its store to play in traditional entertainment centers
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`regardless of the PC location. However, until now, there is no standard mechanism that allows users to
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`access their media collection from UIs presented on these devices. Therefore our invention is the first
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`attempt to offer such standard method. The method utilizes the Universal Plug and Play networking
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`protocols standards as well as standard data exchange languages (XML) and Standard scripting language
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`(Iscript) to create, distribute media libraries and aggregate the libraries in one unified catalog the user can
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`access from any of these devices. In addition, the Media Library Service is designed to meet three basic
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`requirements: (1). Access Control: media devices on the home network typically do not logon to a domain
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`controller. In a typical configuration, we will set the ACLs to allow access to anonymous users. This
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`means that any UPNP control point on the home network can access the UPNP Media Library Service.
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`The home network should be protected by an Internet firewall to prevent unauthorized access. (2). Network
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`Firewalls: the home network should not be directly connected to the Internet. UPNP devices on the home
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`network should connectto the Internet via Internet Connection Sharing. ICS acts as a firewall, preventing
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`unauthorized users from accessing the IP addresses of UPNP devices on the home network. (3) Content
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`MICROSOFT Corporation
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`EL 767143416
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`Netflix, Inc. et al. Exhibit 1005
`2 of 67
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`‘ooo
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`Netflix, Inc. et al. Exhibit 1005
`2 of 67
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`

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`unauthorized users from accessing the IP addresses of UPNP devices on the home network. (3) Content
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`Protection: we will make an effort to protect copyrighted content from unauthorized duplication. Our
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`content protection implementation consists of an ISAPI filter and the DRM Portable Media License
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`Service.
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`(2)
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`Description of the Invention:
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`The main function ofthe service is to map existing media libraries created on a PC to XML-documentusing
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`a standard XML-schema. The resulting XML document then is advertised to the Universal Plug and Play
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`(UPnP) network. The user, using MediaLibrary UPnP controlpoints on the home network, can discover the
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`Media library service and invoke actions to the service (search, query, additem, ....).
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`The following is a system flow highlights for the applicable scenario
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`(1)
`At boot-up time, the UPnP “Media Catalog” service is created and hosted by a pre-configured
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`server PC on the network (possibly the gateway machine). Using UPnP discovery message, the
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`service then is advertised on the home network.
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`Following the catalog notification, cach media library hosted by a network PC or Digital AV device
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`advertises itself to the network, which then can be discovered by the catalog service. The catalog
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`ageregates the contents of all media libraries on the network and forms a unified list of pointers
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`(URLs) to digital media on the homenet. The catalog then is re-advertised to the network.
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`‘The user on the UPnP-enabled device discovers the media catalog. The catalog control point on the
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`device contains a catalog UI and a catalog manager. The user views the catalog content on the
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`catalog’s UI and select the media to play using the catalog’s manager. At this point using a third
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`party UPnP control point, such as a universal remote control, the user can also discover both the
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`media catalog and DAR devices on the homenet.
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`Once the users make their selection from the catalog, the DAR returns a URL (or UNC) of the
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`selected media to the content server associated with the media store.
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`The content server establishes the connection with the requesting device opens and reads the
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`selected media file and initiates the transmission ofthe file contents to the device.
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`The device decode and decompressthe file content and initiate playback of the media
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`(3)
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`(4)
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`(5)
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`(6)
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`EL 767143416
`
`Microsoft Corporation
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`Netflix, baccetal. Exhibit 1005
`3 of 67
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`2
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`Netflix, Inc. et al. Exhibit 1005
`3 of 67
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`

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`Diagrams and Flow Charts:
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`Music Library
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`cea
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`ticessenenis
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`= — p> oe
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`aaete
`a.
`tony
`i
`~ 4 ie
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`eee
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`l
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`Aetense
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`setensaenennenerssnens caneereeine sony,
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`eta
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`ee x
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`8
`bt License
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`[7 ~P Client
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`! Generator --- 5
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`senunmuauinnennenmnnal
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`License
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`+
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`— = 8 tere / SMB
`wo we oe VAY
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`DAR:Digital Audio(Media) Receiver
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`(0)
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`(3)
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`Manually register the DAR
`Advertise Library to the Network using UPnP
`Discover the library by the DAR UPnP-controlpoint
`Conducta search for music (query thelibrary)
`Results from the search (list of URLs)
`Select music (URL)
`Request the content of music file via HTTP GET (URL)orFile IO
`(UNC)
`Open & Readfile using file server or HTTP server
`Transmit file content to DAR
`WMEPAKattempts to decode, decompressthefile to play
`For protected files (all shared files on home networks will be DRM-
`protected), WME PAKasks DAR client for license.
`DAR client requests Serverto issue a portable media license. The
`following info is sent from BLT to PCinthis call:
`
`EL 767143416
`Microsoft Corporation
`
`Netflix, PacEebal. Exhibit 1005
`4 of 67
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`3ofih
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`Netflix, Inc. et al. Exhibit 1005
`4 of 67
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`URL,Serial#, KID, Extended info from V7HeaderObject,
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`Open the PM license store based on the serial #. Note that store are kept
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`on per device basis.
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`Read the store into
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`Request DRM client to give a PM license. memory (only if the DAR
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`registration is confirmed by the license generator)
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`SetVIKID or SetV2ContentHeader, based on license type.
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`CreatePMLicense
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`Save the updatedlicense store obtained from CreatePMLicense.
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`Return the license store to the DAR client.
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`DAR client forwards the store to WME PAK to proceed with decoding
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`and decompressing the music content
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`Play the song
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`*
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`(12)
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`EL 767143416
`
`
`Microsoft Corporation
`
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`Netflix, #aGeek al. Exhibit 1005
`5 of 67
`
`T of ee
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`Netflix, Inc. et al. Exhibit 1005
`5 of 67
`
`

`

`DigitalAudioReceiver:0.1 Device Template
`For Universal Plug and Play Version 1.0
`Status: Preliminary Design (TBD)
`Date: November 3rd, 2000
`
`Microsoft Confidential.
`
`©2000 Microsoft Corporation. All Rights Reserved
`
`Authors
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`Company
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`Microsoft Corporation
`
`EL 767143416
`
`Netflix, Inc. et al. Exhibit 1005
`6 of 67
`
`oe
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`Netflix, Inc. et al. Exhibit 1005
`6 of 67
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`

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`Digital-Audio-Receiver (DAR):0.1 Device Template
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`2
`
`Contents
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`1. OVERVIEW AND SCOPE........sneserersesensessressessesececesscsssensnsseescscsesessssesesenensesessesesossecesescesecessenesseeseeesseseseresseseveened
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`1.1.
`1.1.
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`CHANGE LOG FOR MEDIASTORE:0.1 oo. ccsccecesesceesececsseesesueceuescuesceccneeseeuaucesuscesauaceceececsauerenaeeseneeenenseceuness 4
`EXTERNAL DEPENDENCIES.........cccccsescececessesscseeecessseecensesesereeeauereseueesecseverscasseceuuseececesuareeecesseaeercerseategeceeasaees 4
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`2. DEVICE DEFINITIONS........ccccsssssesrerssasesosensessecesencesccenssuseavensonsesecensonesensanasanensnsoronsesasensesascoseresensesnssosensevesense)
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`DEVICE TYPE......cccccscccsecseesseecocssseserereueecesscsecensssccceteseusuesvassuesevessveneneauseseaseeserauecscevecenecacdevenuseusacesesrecarseaseves 5
`2.1.
`* DEVICE MODEL....sseccecesecsscsssssessesscsuessrssesacevessessesecereneserssusavesucavssesseqresaesessesavssessesetarsansesesecsucaucesasesscsneensaveese 5
`2.1.
`21.1.
`Description ofDevice Requirements.......cccccccceccccccccscesessesecesesecceceseyereeteseeseseseesauaueeeenaeieeceeecnerseevanetsress 5
`21.1,
`Relationship Between ServiCes...cccccccccsccececcvevssseesesesessssssessessvscsscsssevavsesscseaesecesassesasateecacsegavaseecaeancecaees 5
`2.3.
`THEORY OF OPERATION .u...ccsccesecsseessesesesetcssseecse satecaecnescsseceseneesessecsuapepsgenesessseasasenaeenaseyaceuecessesesteneeeeyecensesgess 6
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`3. XML DEVICE DESCRIPTION.........ccccesssccteseeeseseeneesneccessceesesenconstensesenscenseesneesaneenecescecesesannesescasseanenecsenseenses6
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`4. TEST.......sesegnesssseasecsseesssnenesenensecensesessosnsonssterapepsesenenensensssancssseessesanenceescesanenssosssesensesosevsnserasrsseensessssesesenesenseeneswoe
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`List of Tables
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`Table 1: Device Requirement..........ccceccseeesenesssserstescseeaseneasnssecacseasvensesesaseceesessesaugecaecasassueceserenecananevassusneenterereesesaees 5
`
`
`
`Microsoft Corporation
`
`EL 767143416
`
`Netflix, Inc. et al. Exhibit 1005
`7 of 67
`
`ba
`
`Netflix, Inc. et al. Exhibit 1005
`7 of 67
`
`

`

`Digital-Audio-Receiver (DAR):0.1 Device Template
`
`3
`
`1. Overview and Scope
`This device template is compliant with the Universal Plug and Play Device Architecture version 1.0. It defines a
`device type referred to herein as Digital-Audio-Receiver (DAR):0.1.
`
`Digital-Audio-Receiver (DAR):0.1 is a model for a device used to render and contro] digital music transported on
`the home networks.
`
`General Functions: A device with a network connection that can:
`
`-
`-
`
`-
`
`-
`
`-
`-
`-
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`Discovers, and access media library services on the network
`Display, and manage the media library on a small LCD-display, or can be connected to a TV to
`display the control and navigation UIs
`Establish connection with media stores on the network and/or internet services
`
`Reads streamed encoded digital music content from a media store on the network orlively
`streamed (from internet radio)
`Decode popular digital music format
`Renders the music directly or sends the decoded music to independent music renderers
`Control the playback of the music by invoking actions on variables defined for UPnP services
`referenced in this document
`
`The DAR device encapsulates functionality for AV-transport, variable-control, connection, and media library
`services into an atomic unit.
`
`AVTransport: This service type enables control overthe transport of audio and video streams. The service type
`defines a ‘common’ model for A/V transport control suitable for generic user interface. The model also allows for
`‘forwarded’ control action, enabling the distribution oftransport control state across connections by meansof
`eventing. The service type is related to the Connector service type, which describes A/V connection setup
`procedures.
`
`Connector: This service-type enables modeling of streaming capabilities of A/V devices, and binding of those
`capabilities between devices. The service is based on the notion of a ‘Connector’ which has a numberof properties
`including direction (in/out), content-format (WMA, MP3, etc.) and a numberof ‘peer Connectors’ to whichit is
`connected. The connector service is used to negotiate a data transfer protocol and format between the Digital-Audio-
`Receiver (DAR) and the rendering device. This could range from simple bulk data transfer over HTTP, or SMB to
`streaming over RTP.
`
`VariableContro]: This service-type enables control ofa generic variable-setting control such as a volume control.
`
`MediaLibrary: The Media Library service exposesa list of metadata describing media content stored locally on the
`host device and on user-selected list of Internet sites.
`
`Diagram 1: Digital-Audio-Receiver (DAR):0.1 System Diagram
`
`
`
`
`
`ek
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`Media Store
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`Digital-Audio-Receiver
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`AVTransport:
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`|
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`‘MetiiaLibrary Cefitrol, ras ws: Point . Satie
`[| Required
` MediaLibrary
`
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`
`] Optional
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`VariableControl
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`1.1. Change Log for Digital-Audio-Receiver (DAR):0.1
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`Ver Date
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`Author
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`Changes
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`1.2. External dependencies
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`None.
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`5
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`2. Device Definitions
`
`2.1. Device Type
`
`The following device type identifies a device that is compliant withthis template:
`
`urn:schemas-microsoft-com:device:Digital-Audio-Receiver (DAR):0.1
`
`The shorthand Digital-Audio-Receiver (DAR):0.1 is used herein to refer to this device type.
`
`2.2. Device Model
`
`Digital-Audio-Receiver (DAR):0.1 products must implement minimum version numbersofall required embedded
`devices and services specified in the table below.
`
`
`
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`Table 1: Device Requirements
`Device Type
`Root Req.or
`Opt.‘
`
`Digital-Audio-Receiver
`(DAR):0.1
`
`yes
`
`Service Type
`
`Req. Pa Tate |e
`Opt.'
`
`VariableControl:0.1
`
`VarighleControl
`
`
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`
`
`
`
`aspen’2
`AVTeanspott
`R =Required, O =saiEAEX = Non-standard.
`
`Connector:0,85
`
`Connector
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`2 Prefixed by urn:upnp-org:serviceld: .
`
`2.2.1. Description of Device Requirements
`
`Connector is a proposed Forum (standard) service used to negotiate and bind an A/V stream betweenthe Digital-
`Audio-Receiver (DAR) and mediasink. Fordetails onthis service, see the related specification Connector:0.81
`Service Template.
`
`AVTransportis a proposed Forum (standard) service used to define common Audio/Video transport control
`mechanisms, For details on this service, see the related specification AVTransport:0.1 Service Template.
`
`MediaLibraryis a Microsoft (nonstandard) service used to manageandselect collections of multimedia content to
`play. For details onthis service, see the related specification MediaLibrary:0.1 Service Template.
`
`VariableControl is a proposed Forum (standard) service used to control generic variable-setting control suchas a
`volume control, see the related specification VariableControl:0.21 Service Template,
`
`2.2.2. Relationship Between Services
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`Digital-Audio-Receiver (DAR):0.1 Device Template
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`6
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`Theory of Operation
`
`XML Device Description
`3.
`NOTE:Notup to date.
`
`
`
`
`<?xml version="1.0"?>
`<root xmlns="urn: schemas-upnp-org:device~1-0">
`<specVersion>
`<major>1</major>
`<minor>0</minor>
`</specVersion>
`<URLBase>base URL for all relative URLs</URLBase>
`<device>
`<deviceType>urn: schemas~microsoft~com: device: Digite/-~Audio-Receiver
`(DAR) : 0,1</deviceType>
`<friendlyName>short user-friendly title</friendlyName>
`<manufacturer>manufacturer name</manufacturer>
`<manufacturerURL>URI
`to manufacturer site</manufacturerURL>
`<modelDescription>long user-friendly title</modelDescription>
`<modelName>mode! name</modelName>
`<modelNumber>mode!] number</modelNumber>
`<modelURL>URIL to model site</modelURL>
`<serialNumbersmanufacturer’s serial number</serialNumber>
`<UDN>uuid: UUID</UDN>
`<UPC>Universal Product Code</UPC>
`<iconList>
`<icon>
`<mimetype>image/format</mimetype>
`<width>horizontal pixels</width>
`<height>vertical pixels</height>
`<depth>color deptn</depth>
`<url>URL to icon</url>
`</icon>
`XML to declare other icons, if any, go here
`</iconList>
`<serviceList>
`<service>
`<servicelype>
`urn: schemas-microsoft—com: service: Digital -Audio
`(DAR): 3.1</serviceType>
`<servicelId>urn:microsoft-com:serviceld: Digital -Audio-Receiver
`(DAR) </servicelId>
`<SCPDURL>URL to service description</SCPDURL>
`<controlURL>URL for control</controlURL>
`<eventSubURL>URL for eventing</eventSubURL>
`</service>
`<service>
`<serviceType>urn: schemas~upnp~org: service: Connector: 0,§5</serviceType>
`<serviceId>urn: upnp-org: serviceld: Connector</serviceId>
`<SCPDURL>URL to service description</SCPDURL>
`<controlURL>URL for control</controlURL>
`<eventSubURL>URL ror eventing</eventSubURL>
`
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`7
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`</service>
`<service>
`<serviceType>
`urn: schemas-upnp-or : service: AVIransport: 0.2</serviceType>
`<serviceId>urn:upnp-org: serviceld: AVTransport</serviceld>
`<SCPDURL>URL to service description</SCPDURL>
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`<controlURL>URL for control</controlURL>
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`<eventSubURL>URL for eventing</eventSubURL>
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`</service>
`<service>
`<serviceType>
`urn: schemas~upnp-org: service: VariableControl: 0, 2</serviceType>
`
`<serviceld>urn:upnp-org: serviceld: VariableControi</serviceld>
`<SCPDURL>URL to service description</SCPDURL>
`<controlURLsURL for control</controlURL>
`<eventSubURL>URL for eventing</eventSubURL>
`</service>
`
`Declarations for other services added by UPnP vender (if any) go here
`</serviceList>
`<presentationURL>VUAL for presentation</presentationURL>
`</device>
`</root>
`
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`Microsoft Confidential
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`Digital Audio Receiver (DAR) Architecture
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`ee
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`Author: Mukund Sankaranarayan
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`Date: 11/27/00
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`Status: Rev. 0.2
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`aseEN
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`OVELVICW vce ccceccccsscccssccssessesccesesscvessessucensssccusscssacsauscssseeessssesseusasensccsasecsetencaesessusessseensepenes 3
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`General Architecture .....c..ccccccccsscscesssseeessesesseceessescssaesenuseesnateccnusesessausesseeeeesnsaeeseeguesessnaeees 3
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`DeSCLIPtiOn oo... sceesesssssseneeeceenacensccrenecescetscensenscsereeceeeesessenseeeeeenesesieeedeaesnesnaesetorseeaens 3
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`1. Media Library Control] Point... cccceneerseeeerssessscsescneccsetesessesseeenseessseesereateea 3
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`2. DAR Control Point ......... eee secesaueeesaecuseesseeessececeveneseveuscesesecsesesessentecsnesenstensacs 4
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`3. DAR Device... poseecaenscansevesseveseneseeesseuscenses suausevesauscausensecanseesseauscueueaneesaeseeuss 5
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`Open Issties 20.0... eee enceeeereesceseeenececeeecsaaeecseeeaneesaeerseavenescageeeneeseurecesseesaeessieesseneeatertiees 5
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`Overview
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`This document describes the architecture design of the Digital Audio Receiver (DAR)
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`client. The usage scenarios and hardware specifications of DAR are described separately
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`in documents referenced at the end of this document.
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`General Architecture
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`Logically there are three components — the DAR UPnP device and an UPnP control point
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`to control the DAR, and a control point for Media Library.
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`It exposes
`1. DAR UPnP Device: This is the device on which music is rendered.
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`several services -like play, pause, and stop—via which a control point can
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`manipulate the device. A detailed description of the services offered to control the
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`device is described in the DAR device control protocol (DCP).
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`2. UPnP DAR Control Point: controls the DAR device described above.
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`3. Media Library Control Point: controls the media library. The services exposed by
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`the medialibrary are described in the Media Library device control protocol
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`Description
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`The following is a detailed description of both devices and role they play in selection and
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`rendering of a piece of music content from the media library service (MLS).
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`1. Media Library Control Point
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`1. Media Library discovery: The control point after registering itself searches for
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`media libraries on the home network. The discovery protocol
`is based on a
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`multicast SSDP message, defined by the UPnP specification, that specifies the
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`search target as “urn:schemas-upnp-org:device:WMP_MediaLibrary:1”, where is
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`WMP.MediaLibrary:1 defines device type and version.
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`2. Each of the media library devices on the network responds to the above message
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`with the following information: device’s UUID, and URL to device’s UPnP
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`description.
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`3. The control point issues the HTTP GET request on the device URL, obtained in
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`the previous step, to learn about the device description andits services.
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`4. The control point, next, displays the top-level menu items. The control point
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`creates the menu by querying the media library services (MLS) and aggregating
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`5. Control points invokes the “GetView” action the on MLS. The user selection,
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`expressed in XPATHfilter expression, is the argument to this method. This action
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`MLSare merge-sorted prior to presenting them to the user.
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`6. The user selects the song to be rendered.
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`2. DAR Control Point
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`1. The control point presents alist of all DARs on the network if there is more than
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`one DAR onthe network.
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`2. The control point invokes the “Play” action on the DAR UPnP device selected in
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`the previous step. The URL of the song selected by the user is sent. The URL was
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`obtained as a result of GetView action.
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`Implementation
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`Given that most of the control-point devices will have some form of minimal HTML
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`client (web browers) we will provide a sample implementation using HTML and JScript.
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`Scripting was chosen (instead of DLL etc) so that it will work on cross-platforms without
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`arecompile; JScript was chosen over VBScript as it has wider support across platforms.
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`Note that both control points can live on the DAR device or remote PDA. This is a
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`packagingissue that will be defined by the OEM.
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`3. DAR Device
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`The DAR device contains the following components: an UPnP service; a separate engine
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`each type of format it can play - WMA, MP3, etc; a client that can download(or stream)
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`data from Content Server using HTTP; and an application.
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`The description of DAR andits interaction with Content Server is described below:
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`1. For each of the format type supported, the DAR performs some initialization.
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`Specifically, for WMA files the DAR initializes the WME PAK.
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`2. The DAR advertises itself as UNP device on the home net using SSDP as
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`3. The control point invokes “Play” action on the DAR passing in the URL of song
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`4, The application on the DAR downloads the content using HTTP GET. Based on
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`the content format (MP3, WMA) it forwards the stream to the appropriate
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`rendering engine. Let us assumethat format is WMAfor further discussions.
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`5. The WMA engine attempts to play the song. If its copy protected then, it calls
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`back the handler registered at WMEinitialization time requesting for the license.
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`6. The handler requests the license from the PC. The protocol for this interaction is
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`yet to be finalized.
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`Open Issues
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`1. The protocol between the DAR device and PCis yet to be finalized.
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`2. What types format will be shared from the media library - WMA and MP3.
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`3. What is the implication of sharing “clear MP3 content”? Do we need secure
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`sharing?
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`4. Aggregated media library services will have an impact in the logic on DAR
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`device.
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`Microsoft Corporation
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`EL 767143416
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`
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`5
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`Netflix, Inc. et al. Exhibit 1005
`18 of 67
`| hoe
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`Netflix, Inc. et al. Exhibit 1005
`18 of 67
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`Digital Media Description Language
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`Revision 0.2
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`Author: James Alkove
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`Last Updated: 10/31/2000
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`Microsoft Corporation
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`EL 767143416
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`
`
`Netflix, Inc. et al. Exhibit 1005
`19 of 67
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`13 4 Ge
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`Netflix, Inc. et al. Exhibit 1005
`19 of 67
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`

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`Objective
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`The purpose of the Digital Media Description Languageis to provide an extensible way
`of describing digital media items and collections of digital media items.
`
`Overview
`
`Digital Media Description Language is an XML-based description language for digital
`media items andcollections.
`
`Media Collections
`
`For media collections we will be using SMIL2. Since SMIL supports elements contained.
`inside ofits media elements, we will simply embed a MEDIAITEM within the containing
`SMIL media element.
`
`Example:
`
`<seq>
`<video title="My video” src="myvideo.wmv” >
`<mediaitem>..<mediaitem>
`</video>
`</seq>
`
`The player will implementa subset ofthe full SMIL2 specification. Specifically the
`Media Object Modules, an

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