DVC Admin User Manual
Contents
1. Figure 1 The Administration Tool COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA DOC DIGITAL EXPERTISE im Marcom Digital The Administration tool works on the concept of Screens Each screen is relevant to a specific task The screens are Screen Refer to Purpose Files Organise the storage of material E Capture Section n Acquire new material from an analogue source or TV channel Users Add users and passwords to the system i Editor n a Simple editing of video material This is not available in the current version Ed Logs Monitor who has been using the system t Groups Section b Control which users have access to which material The tool bar contains a number of symbols which are used for opening and closing the screens Click a symbol to open that screen and click it again to close the screen Screens may also be opened and closed from the View menu Users Editor Logs Files Groups Capture Figure 2 The tool bar makes opening screens easy COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA Pl DIGITAL EXPERTISE 3 Organising Stored Material The Files Screen i2. DVC M Marcom Digital Digital Video Commander Administrator s Manual Version 1 2 5 19 Feb 2007 By Adam Pierce Command Systems Pty Ltd COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA Dy f Marcom kaiia Introduction Digital Video Commander is a system to capture store retrieve and play back audiovisual material It is intended to be used in a situation where there are large numbers of end users This manual covers the use of the DVC Administration Tool This is a software application which runs under Windows 2000 or later With it the A V administrator can manage the acquisition and storage of audiovisual material and control who has access to that material COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA Yo Marcom Digital LNA DIGITAL EXPERTISE Table of Contents INTRODUCTION COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com au AUSTRALIA SHANGHAI SINGAPORE MALAYSIA p oy fm Digital 1 Overview of the DVC system T
3. software will then prompt you to a choose a file from your local Bia os hard drive w d Movie Previews i Mick Lu Problem Lj Rename test i volcanaes Files Once you have chosen a file to import you are given an opportunity to enter meta data for it Meta data is optional you may leave the fields blank if you wish Once you click OK the software will then copy the file to the media repository You can monitor the progress of the import operation by opening the Task Status Window which is accessible via the Window menu 3 6 Exporting material You can also get media out of the DVC system by using the export facility Simply right click on the file you want to export and choose export from the pop up menu The system will then prompt you to choose a location to store the exported file NOTE When a file is exported the file s meta data is not exported with it COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA COVA DIGITAL EXPERTISE IM Marcom Digital 3 Configuring Meta data Meta data can be used to help organise and search for material Each file can have meta data attached to it The names of the meta data fields are up to you use the Meta data Configuration window accessible via the Configuration menu to set up the field names you w
4. Figure 8 and can be used to manage the users of the system The left hand list shows all the users in the system Use the Add and Del buttons to create and remove users When a user is selected the details for that user will appear on the right side of the window If you make any modification to the details you will need to click the Update button before those changes will be saved to the database Each user has a PIN number which is needed to log in This number is generated randomly by DVC and it is guaranteed that no two PIN numbers will be the same This way a user may log in using a PIN number only without the need to also type a user name You can assign a user to a group or multiple groups by ticking the boxes Don t forget to click Update after you have made any changes COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA em DVCAdmin Sele File Edit Configure View Help amp ES X on PECE d Users 4 Groups Existing traup Static Name Users Adam Barry Figure 9 The Groups Screen The Groups Screen is shown in Figure 9 It can be used to manage the groups in the system Each piece of media stored by DVC is assigned to one and only one group By manipulating the member lists of each group you can control who can view each item
5. The available groups are shown in the left hand list Use the Add and Del buttons to create or remove groups When a group is selected in the list it s details appear on the right of the window If you make any change to these details you must click the Update button to save those changes to the database You can manipulate the membership of a group by ticking the names in the list box COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA A LoVC Marcom lusu 6 Monitoring Usage of the system Figure 10 shows the Logs Screen which can be used to monitor the usage of the system It shows each video replay along with the start time and the name of the person who viewed it if the person was logged in em DVCAdmin File Edit Configure wiew Help E 4 ioa a i EEK Ed Logs Filter condition From Date 16 15 22 Tue 25 10 2005 16 15 26 Tue 25 10 2005 16 15 29 Tue 25 10 2005 16 15 31 Tue 25 10 2005 16 15 30 Tue 25 10 2005 16 27 35 Tue 25 10 2005 16 27 50 Tue 25 10 2005 16 28 07 Tue 25 10 2005 16 28 14 Tue 25 10 2005 16 42 48 Tue 25 10 2005 127 45 11 Mnn 3111 nrgnnns User Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Unknown Inknicwin Action Vie View Vie VIE Vie V jew WIE View V ieu Vi
6. SYSTEMS Pty ltd abn 99 001 742 034 PO Box W105 Warringah Mall NSW 2100 Australia AUSTRALIA SHANGHAI nd subcategory Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 Qs ws W W W eo m m qu n c o m a vu SINGAPORE MALAYSIA 3 1 1 Legend of icons used in the files screen Symbol Description Folder which contains your files A file which you have put in the system Folder which contains DVC Marcom content library files it might also contain some of your own files E enema On SO ae a sa on your local system on your local system 3 2 Basic File operations You can move files or folders around by simply dragging them To copy files or folders drag them with your right mousebutton and select COPY from the menu after you have released the mousebutton Dragging the item while holding down the Ctrl key will also perform a copy Deleting a file or folder can be done by highlighting it and pressing the Del key on your keyboard There is also a Delete option in the pop up menu if you right click an item 3 3 File Properties At the right hand side of the Files screen is the properties screen This gives information on the currently selected file You can use the properties screen to rename a programme change its group membership or its meta data If you change any of these fields you will need to click the Commit button to enter that new information into the database 3 3 4 Meta data Meta data are extra f
7. 105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA LoVC DIGITAL EXPERTISE Marcom Digital Acronym for Personal Identification Number A secret number used to identify a user to the system STB Acronym for Set Top Box Set Top Box A device which sits on or near the TV or video projector in a classroom It contains whatever electronics is necessary to receive and display incoming video material The set top box also contains an infra red receiver to accept commands from a remote control May also be abbreviated as STB TB A lung disease no wait Acronym for terabyte which is equal to 1000 gigabytes or eight trillion 8 000 000 000 000 bits of data Transcode The act of converting some encoded data to a different encoding For example converting MPEG2 encoded video to DivX encoding Transcoding is usually a computationally intense task which can take a couple of hours or more to convert a full movie Tuner Card A type of capture card which has a TV tuner built in so you can directly digitise TV programmes Most analogue tuner cards can also receive FM radio Tuner cards are also available for receiving digital broadcast DVB COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com a ius AUSTRALIA SHANGHAI SINGAPORE MALAYSIA
8. PERTISE Y Marcom Digital Appendix B Recording quality and storage Here is a guideline for disk space usage with the various standard quality presets Quality Bandwidth Storage Description Setting millions of required bits per second Basic Quality 2mbps 0 9 GB hr For recording VHS tapes or talking head TV programmes where picture guality is less important recordings picture quality is important Some types of recordings such as Digital TV recordings do not have a quality setting since they are already in digital form to begin with COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commands yy s C omm oe qwg Wy AUSTRALIA SHANGHAI SINGAPORE MALAYSIA p oy fm Digital Appendix C Glossary Administration PC A PC which is running the Administration Tool It is used to maintain and run the Digital Video Commander System Administration Tool The software which runs on the Administration PC it allows the A V operator to contro the DVC system for the acquision storage and management of A V material A V Operator The person who is in charge of running the Video Commander system Bit rate The amount of data required per second to transfer media to a replay device For video this is measured in Mbps or Megabits per second Usually the higher quality the stream the more bits per second
9. e Status window This window may be opened using the View menu As you can see in this window shows all current and future timer recordings and you can see at a glance which recordings are taking place Capture Sessions State Progress Mame Eh CAPTURE 54 Behind the Mews e QUEUED Starting at 2005 10 10 15 00 Adventures in Maths Edit selected item Cancel selected item Create Timer Recording Figure 7 The Capture Status Window COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA rovc M Marcom VES 4 5 Changing a timer recording You may edit an existing timer recording by double clicking it in the timeline or by using the Edit Selected Item button in the Capture Status window When you edit a timer recording the timer recording window as shown in l will appear Simply modify the fields and click OK 4 6 Cancelling a timer recording There are two ways to delete a timer recording 1 Right click on the recording in the timeline and select Delete from the pop up menu 2 Select the recording in the Capture Status window and click the Cancel Selected Item button NOTE If you delete a timer recording while it is in progress the partially recorded file will be deleted from the system NOTE If you delete a timer recording which has completed t
10. e menu Deleted Files Mame Catgeory Test recording 5a My Folder The Rabbit Remuxed videa Illi Select All Select None If you want to recover deleted files highlight them and click Restore Selected Items You can hold down the Ctrl key if you want to select multiple items If you are low on disk space and want to get rid of these deleted files highlight the files to be destroyed and click the Permanently Delete Selected Items button Note that files which have been permanently deleted can never be recovered so take care when using this facility COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com a iy AUSTRALIA SHANGHAI SINGAPORE MALAYSIA LOC DIGITAL EXPERTISE Hm Marcom Digital 3 5 Importing material One important task you will PHA perform with the files screen is Title Caroline Chisholm The Emigrants Friend importing video files You will Sie i Cancel use this in the case you have an MPEG file or similar which you Metadata imay have downloaded from the Category Australian History internet extracted from a DVD Department Director or created with a video camera Subject or video editing software The easiest way to import a video file is to right click on the folder where you want to put the file and choose Import file here from the pop up menu The ui E
11. eline shows each capture device you have with a grey title at the left COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA da Loc fe VES Underneath the capture device timelines are the TV guide timelines These have a beige title at the left To record a programme off air simply double click on a TV guide item If you want to record a programme which is not listed in the TV guide press the button marked Create Timer Recording This will open the Timer Recording window as shown in Figure 6 TIP You can also create a new recording by clicking on a blank space in the timeline If you have entered details which are acceptable to the system the OK button will become enabled and you can enter the recording into the system by clicking it If there is any problem with the details you entered such as a clash with another timer recording a message will appear in red text to inform you of that fact Once you have corrected the problem the red text will disappear Timer Recording Recording parameters Title Antiques Roadshow Start time 2006 08 09 17 00 Enter start and end time in the Format yyv mm dd hh mm End Time 006 06 09 17 30 eg 4005 06 10 15 30 Device Greg s PYR350 Input TM Tuner Channel q Quality Basic 2Mbps Group public Metadata Location M
12. ew LAL Server amoeba amoeba amoeba amoeba amoeba amoeba amoeba amoeba amoeba amoeba amneha Figure 10 The Logs Screen You can use the drop down lists at the top of the window to filter the list by date user or action You can for instance show only the files viewed by a particular person or only show the files viewed on a certain day The Save button at the bottom of the window allows you to export the log to a CSV file which can be loaded into a database or spreadsheet such as Microsoft Excel COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA A Marcom Digital _ OYA DIGITAL EXPERTISE Appendix A Document Revision History When Who What 11 Apr 2005 Initial draft 30 Sep 2005 Adam Pierce Updated a little in line with version 0 17 of the Admin tool 10 Oct 2005 Added section on capturing 10 Aug 2006 Adam Pierce Updated with the latest changes to the Administration tool Split off the configuration procedures to a separate technical manual 19 Feb 2007 A Gen doc update V1 2 5 COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA LoC DIGITAL EX
13. ew Folder Category La Images Director P Language Arts Subject Department L1 Mad Ld Music Bg other i Recordings LA Science Bg Social Studies video El E E E Hl Figure 6 The Timer Recording Window COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA DOC DIGITAL EXPERTISE im Marcom Digital The fields in the timer recording window are Title This is the name of the programme you will be recording Start time and End time These indicate when recording will start and stop They must be entered in the format YYYY MM DD HH MM Device This indicates which capture card will be used to make the recording Choose a free device Input If the capture device has multiple inputs choose which one you would like to use Typically there would only be two choices TV or Composite input Channel If you selected TV as your input you will be given a list of TV channels to select from Quality Some capture devices will have the option to record at different levels of picture quality A higher quality recording will look better but use up more disk Space See Appendix BI for more information Group This sets which security group the programme will belong to See section b to find out more about access restrictions and security Select publ
14. he parts of the DVC system are 1 Acquisition for obtaining new A V material 2 Storage and Management for keeping track of the material 3 Replay for viewing the material The following sections provide more detail 1 1 Acquisition Digital media may be obtained from Built in TV tuner External analogue source eg VHS player or video camera Built in Digital TV receiver User supplied media files Material downloaded from the DVC Marcom Digital media library Ul BR WN nA 1 2 Storage and Management Media files may be organized into folders much the same way as you organize files on your PC In the same way files can be copied moved renamed and deleted In addition each file can be tagged with Meta data Files can also be assigned access restrictions to allow or prevent certain people from accessing them 1 3 Replay Media files can be viewed either on a PC using DVC Player or they can be viewed on a TV Plasma or Video Projector using a Set Top Box COMMAND SYSTEMS Pty ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA LoVC DIGITAL EXPERTISE 2 Administration The Administration Tool is the software to accomplish all the tasks mentioned in the introduction Figure 1 shows what it looks like when you first start it up em DVCAdmin File Edit Configure View Help Debug
15. he recorded file will remain on the system COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA p OX Marcom hup 5 Controlling Access to Material Access to material is based around the concept of groups Groups are defined by the A V Operator and are given names such as Adult or Staff only Each programme in the system may assigned to a group Users can be members of one or more groups Programmes with no group assigned are considered public and may be viewed by anyone Programmes which have a group assigned may only be viewed if the logged in user is also a member of that group The Administration tool can perform the following group related tasks via the groups and users screens Create a new group Assign members to a group Change the group name and membership list Delete groups COMMAND SYSTEMS Pty ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA em DVCAdmin File Edit Configure View Help WR wea a oM Ed Users 4 Groups Existing Users User Information Groups public Staff rOUpS i 881586 Generate Pin Again Figure 8 The Users Screen The Users Screen is shown in
16. ic if you want the programme to be viewable to all users of the system Metadata These are optional fields which are useful for categorising and searching for files See section to see how you can set the field names up Location This tells the system where you would like to store the file after is has finished recording Use the little symbols to open up folders on your media repository and select the destination folder Once you have created a timer recording it will appear in the timeline If you need to modify the details simply double click on it as described in section COMMAND SYSTEMS Pty ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com a ius AUSTRALIA SHANGHAI SINGAPORE MALAYSIA Dy f Marcom Emm Wi 4 2 Live Preview of a capture device Select an item from Currently Previewing drop down list A window will appear at the right which shows what that capture device is seeing right now This is useful for monitoring recordings You can use the other drop down lists to control the various aspects of the selected capture device Typical controls are Input Select Choose between tuners or line inputs Select a TV channel Quality Select the quality preset for the digital encoder You can enlarge the preview window by dragging the horizontal split bar up and down The split bar is just beneath the preview window 4 3 Ca
17. ields which can be associated with a media item Meta data is optional and you may leave the fields blank if you do not wish to use them Meta data fields are defined by you to suit your own system See section B 7 to find out how to configure the number and type of meta data fields in your system COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com a iy AUSTRALIA SHANGHAI SINGAPORE MALAYSIA ov a Marcom u fan Digital Meta data can be used by the end user to search for material For example if you have a meta data item called Director the user could type in Gilliam and get a list of all films directed by Terry Gilliam It is up to you what meta data items you want to define COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com a iy AUSTRALIA SHANGHAI SINGAPORE MALAYSIA 3 3 2 Group Membership Each file can be attached to a group This indicates which users are allowed to access the file See section blfor more information about group access control 3 4 Deleted Files When you delete a file it may be recovered using the Deleted Items window This operates in a similar fashion to the Trash or Recycle Bin facility on your PC This window may be opened by selecting Deleted Items from the Fil
18. it uses although the bit rate also depends on the type of encoding used Byte One byte is eight bits of data Capture The process of converting an analogue signal audio or video into a digital stream This stream can then be stored on disc or transferred across a digital network This is also known as Digitising Capture Card A device which plugs into a computer and can digitise analogue video signals Some capture cards also have a TV tuner built in these are sometimes referred to as Tuner Cards or Input Cards Capture Server The machine responsible for digitising analogue video and also copying from other digital sources such as DVB or DVD Digitise The process of converting something into digital data In the context of a video system digitise refers to converting an analogue video signal into a digital stream such as MPEG DVB Acronym for Digital Video Broadcast This is a system used by television stations to transmit digital video through the air DVB T DVB C DVB S COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA p oy fm Digital Digital Video Broadcast Terrestrial digital video transmitted over the air Digital Video Broadcast Cable digital video transmitted by cable TV Digital Video Broadcast Satellite digital video transmitted by
19. ould like Metadata Fields Cabegory Department Director Subject Figure 4 Window to set up Meta data NOTE Be careful when deleting fields as all data associated with that field will be lost COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia www commandsys com aiu AUSTRALIA SHANGHAI SINGAPORE MALAYSIA 2 LOCI ET QE 4 Capturing Material Video programmes are captured from analogue sources such as VHS tape or a TV tuner copied from other video servers or obtained by the administrator using other means such as downloading from the Internet This section of the manual describes capturing from analogue sources and broadcast TV For information on importing video files see section The system will be configured with a number of capture devices 4 1 Capturing from off air TV Capturing from TV programmes is done using timer recordings A useful tool is the Timeline which can be seen on the Capture Screen Select Capture from the View menu to see the Timeline You should see something like Figure 5 am DYCAdmin Hie Edit Configure wiew Help Debug Sl a da d FE i Capture Currently Previewing PREVIEW OFF hal Em Input VIDEO STATE Channel ualik E Volume Mute Create Timer Recording Record Now Stop Mow Wednesday 09 Aug 3 DDPM pm ew Figure 5 Capture screen showing the timeline The tim
20. pturing from VHS or other local analogue sources Select an analogue input card from the Currently Previewing drop down list If the card is available for recording the Record Now button will become active Select the line input from the Input drop down list Make sure your analogue source is plugged into the appropriate analogue input Once you have cued up your analogue replay click the Record Now button and start your replay Note that it will take a couple of seconds for it to actually start recording When the show is finished simply click the Stop Now button The new recording will be automatically placed in the Recordings folder and will be named something like Manual Recording 2439 Note that the administration tool must remain open during the entire recording If the administration tool is closed the manual recording will stop a couple of minutes later TIP It is a good idea to start your tape five to ten seconds before starting to record on DVC to allow some time for the video signal to stabilise COMMAND SYSTEMS Pty Ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W105 Warringah Mall NSW 2100 Australia w w w commoandsys conm aou AUSTRALIA SHANGHAI SINGAPORE MALAYSIA ow gt Marcom Digital 4 4 Monitoring the state of timer recordings The timeline gives you a rough idea of what is happening You can also see the current status of recordings using the Transcode and Captur
21. s used to manage the storage of audiovisual material AS you can see in it looks similar to W em DVCAdmin File Edit Configure View Help Debug Wow ED 7 1 o Y indows Explorer Files t a Ld Science H Ld Social Studies 5 i video H Lg asf La Movie Previews E L Nick d i Problem H i Rename test H LA volcanoes files E Barbequeued Crickets MPEG EB Caroline Chisholm The Emigrants Friend B Four Carner s divx a EE Growing Up Koori fA Super Sonic Electronic 1 IB test with metadata E The Fox went out on a Chilly Might E Volcanoes B wolcanaes mono EE volcanoes Mountains of Fire i E volcano Information 00 B whatever Bristlecone_Pines asf B Exploring the Diversity of Life Ga Climb a Tree Ready ID eolo4t Name Caroline Chisholm The Emigrants Friend Length 119 2 MB asf Format 0 15 25 iroup public Metadata Category Director Subject Department Commit Ener Figure 3 The Files Screen When you open the files screen you wil see a list of files and folders Clicking the small sign next to each folder will open it and you will see a list of its contents The files screen is for arranging your files This tree structure is what the end user sees when using the BROWSE function of the set top box We recommend that you name the folders by category a COMMAND
22. satellite DVC Acronym for Digital Video Commander DVC Player A Windows application which simulates the functions of a Media Retriever allowing the user to browse and play material from a PC GB A gigabyte which is equal to 1000 megabytes or eight billion 8 000 000 000 bits of data Group A collection of users who have rights to access a particular collection of material Guest A user of the system who has not yet identified himself by logging in MB A megabyte This is eight million 8 000 000 bits of data Media Repository A server with a large amount of storage This is where all the video material is stored Media Retriever Another name for the digital set top box One of these is connected to the TV in each classroom Megabit A million 1 000 000 bits of data It is usually used as a measure of communication speed for example we would say an MPEG 1 stream needs 2 megabits per second Metadata Information about a programme other than its name For example running time genre censorship rating subject etc MP3 A derivative of the MPEG format for encoding audio only material MPEG Acronym for the Moving Pictures Expert Group Also a family of standards used for coding audio visual information e g movies video music in a digital compressed format Consult the MPEG FAQ for more information PIN COMMAND SYSTEMS Pty ltd abn 99 001 742 034 Telephone 61 0 2 9938 4811 Fax 61 0 2 9905 6153 PO Box W
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