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Videum 1000 Plus Videum 1010 Plus Videum 1000 VO Plus Videum 4100/4400 Videum Conference Pro XP VideumII Broadcaster Base Kit VideumII Broadcaster Lite Kit Hardware and Software Installation Guide Technical Support: support@winnov.de Website: http://www.winnov.de Sales Contact: sales@winnov.de Tel: +49 8243 9684 0...
The contents of this document and the specifications of the hardware devices and software are subject to change at any time without notice. Winnov makes no warranty of any kind with regard to this material, including, but not limited to, implied warranties of merchantability and fitness for a particular...
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The ideal solution for collaboration and streaming media Videum applications The Winnov Videum solutions are combinations of hardware and software that enable you to utilize and maximize the power of video communications and streaming media applications. Use our cost- effective and high-quality solutions for these application areas: Video Streaming: •...
Manufacturer’s Address: 1043 Kiel Court, Sunnyvale, CA 94089 - USA Declares, that the product: Product: Videum Audio & Video Capture Card Model: Videum 1000 Plus Videum 1010 Plus Videum 1000 VO Plus Videum 1010 VO Plus Videum 4100/4400 Media: Analog Stereo Audio, Composite Video,...
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Supplementary Information: The product herewith complies with the requirements of the EMC Directive 89/336/EEC. The product was tested in a typical configuration. Installation instructions from the user’s manual need to be observed. I, the undersigned, hereby declare that the equipment specified above conforms to the above Directive and Standard.
About This Guide This guide is designed to provide you with the information needed to install the Videum 1000 Plus Family of capture cards, the VideumII BroadCaster Family of capture cards and the Videum 4100/4400. Special Symbols in this guide Caution - A caution message contains important information that we advice you to read carefully.
Videum 1000 VO Plus capture card and the Videum 1010 Plus capture card. Videum 1000 Plus The Videum 1000 Plus capture card is an audio and video PCI capture card for audio and video capture, video conferencing and video surveillance. It supports composite, s-video and MXC video inputs and captures 768x576 pixels at 25 frames per second (PAL).
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Videum 1010 Plus The Videum 1010 Plus capture card has the same features and performances as the Videum 1000 Plus. However the Videum 1010 Plus has been engineered for low profile PCI slot. New flat panel and slimline all in one computers only support low profile PCI slot.
VideumII Broadcaster The VideumII Broadcaster Family includes the VideumII Broadcaster base kit and the VideumII Broadcaster lite kit. The VideumII Broadcaster capture card is designed specifically to meet the demands of professional webcasters, video production experts and video presentation specialists. The VideumII Broadcaster is a high quality audio and video PCI capture card.
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Videum 1000 Plus S-Video In MXC Camera In omposite Video In Aux Audio In Line/Mic Audio In Audio Out Figure 1.2: Videum 1000 Plus Bracket Videum 1010 Plus MXC Video input for Winnov Camera Aux Audio In Line/Mic Audio Audio Out...
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Connectivity Videum 1000 VO Plus S-Video In MXC Camera In omposite Video In Audio Out Figure 1.4: Videum 1000 VO Plus Bracket VideumII Broadcaster Capture Card DVI Connector for A/V Media Cable Figure 1.5: VideumII Broadcaster Bracket...
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Connectivity Videum 1000 Plus, 1010 Plus, and 1000 VO Plus Connector Connector Type Connect To ... Device S-Video 4-pin mini-DIN Only S-Video devices including VCRs, camcorders, and other S-Video cameras 8-pin mini-DIN Winnov composite video camera Composite Video In RCA jack...
Videum 4100 Videum 4100 The Videum 4100 is a one channel audio and video PCI capture card for surveillance and video recording applications. It supports 4 composite video (BNC) inputs from which one channel can be captured. It also features a fast switching function that enables you to alternate between the four video sources.
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The Videum 4400 capture card performs hardware time stamping for reliable, sustained audio-video synchronization. System Interface The board is based on Winnov proprietary advanced PCI interface and data streams optimization circuit and includes four video processor chips, four stereo audio codecs and a TTL Input/Output chip. It hosts a 32 bit PCI bus interface running at 33 MHz to provide complete software compatibility with most video applications.
Videum 4400 Audio and Video • Four composite video inputs - Four independent video channels. • Integrated video multiplexer allows selection of four video streams out of any four video inputs. • Integrated audio multiplexer allows selection of four stereo streams out of any four stereo inputs.
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Videum 4100/4400 Videum 4100 Figure1.8: Top view of the Videum 4100 (one channel) Videum 4400 Figure1.9: Top view of the Videum 4400 (four channel) 1 -2 -3 -4. External BNC connector for video input Audio Inputs connectors (4x stereo) Jumper J12 Jumper J 10 Monitor Output Reset Switch connector...
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Connectivity Videum 4100 and Videum 4400 bracket Figure 1.10 shows the description of the Videum 4100 and Videum 4400 bracket. Figure 1.10: Description of the Videum 4100/4400 bracket Watchdog Reset Cable Black 2-pin connector The Watchdog Reset Cable, as shown in Figure 1.11, comes with your Videum board.
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Connectivity Four channel audio cable This four channel audio cable comes with your Videum 4100 or 4400 board. 8-pin mini DIN connector (will be connected to the audio connector available on the bracket ( ‘5’ in Figures 1.8 and 1.9) 4 stereo 1/4”...
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Characteristics of the Audio Input Videum 4400 features four stereo inputs. You will find in this section the technical specifications for the audio inputs on bracket, the on-board audio inputs and the audio output. External audio inputs (J2 - on bracket) Figure 1.13 shows the front of the audio input available on the bracket.
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Characteristics of the Audio Output Audio line / headphone output For audio output, left and right channel (J3) Pin 1: Left channel Pin 2: Shield Pin 3: Shield Pin 4: Right channel Technical characteristics: Connector: 4-pin 100 mil male header Maximum output power: 60mW into 32 Ohm (headphone) Maximum distortion: 0.1% into 32 Ohm headphone...
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Termination of Video Inputs 75 Ohm termination jumper for the video inputs Each of the four video inputs (BNC1-4) is terminated on-board with 75 Ohm. For proper video reception this termination is mandatory. It is based on the assumption that there is only one video source and one video input per link, which is the normal case.
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Video Source Connecting a video source to the Videum 4100/4400 Connector type: Input type: Composite video. Connects to normal cameras and camcorders S-Video (optional) Number: 4 composite or 2 S-Video...
Watchdog Capabilities Winnov Watchdog is a crash-recovery function that automatically reboots the system in the event of a software lock-up. This allows for complete unattended operation, 24x7x365. The Watchdog feature is particularly useful for systems that are operated in a remote location and/or mission critical applications.
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4. If you experience some troubles connecting your Watchdog reset cable, please contact our Support department at support@winnov.de You are now ready to utilize the Watchdog function of your Videum board. For more information on the Watchdog function and how to...
Hardware Installation Installing the Videum board Tools required: You will need a screwdriver to complete the installation. You should also wear an antistatic strap when installing any expansion board in your computer. Caution: Electrostatic discharge can cause damage to your computer circuitry, which can be followed by complete or intermittent failures.
S-Video input: connects to S-VHS or Hi-8 camcorders. Please connect audio to the Line/Mic input. • MXC input: connects to the Winnov Video Camera or other cameras via a special interface cable. This input combines audio, video and power for the camera.
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Connecting Video Connecting a video camera to the Videum 1010 Plus MXC input: connects to the Winnov Video Camera or other cameras via special interface cable. This input combines audio, video and power for the camera. If you need a composite or S-Video connector, use the MXC to composite/S-Video cable which comes with your Videum 1010 Plus board.
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Connecting Video VideumII Broadcaster Lite Kit 1. Connect the DVI connector of the audio and video breakout cable to the back of the VideumII BroadCaster Capture Card. 2. Connect the breakout cable to the audio and video sources using the XLR audio connectors and BNC video connectors. Once the connection is completed, please refer to the software section to install the Videum Software CD.
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Connecting Video 3. Screw the Breakout Box to the Breakout Box Mounting Bracket. Mount the Breakout Box onto the Breakout Box Mounting Bracket utilizing two screws. The screws are inserted from the bottom of the Breakout Box Mounting Bracket into the bottom of the Breakout Box.
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Connecting Video Be careful when handling the A/V Media Cable. Do not bend the cable in a sharp radius because this can cause internal damage to the signal wires and/or shielding wires. Do not bend any of the delicate pins inside the shrouded cable plug.
Software Installation The Winnov Videum 10xx Family and VideumII BroadCaster Family of capture cards work with the following operating systems: • Windows NT4 Workstation (Service Pack 6a required) • Windows NT4 Server (Service Pack 6a required) • Windows 2000 Professional (no Service Pack required, but Service Pack SP 1 strongly recommended) •...
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Microsoft website (www.microsoft.com/ ntworkstation) for download and installation. 1. Install the Videum board, as previously described, start computer. 2. Insert the CD “ Winnov Videum Version 2.xx” in the CD-drive. 3. In Windows Explorer, find the CD titled VIDEUM 2.xx, right click...
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Software Installation (2000/XP) Windows 2000 and XP support plug-and-play software installation. 1. Install the Videum board, as previously described. 2. Start your computer and log-in. 3. Insert Videum Software CD in the CD-Driver. 4. When the system prompts you with a “ New Hardware Found ” dialog box, press “...
Configuring the Breakout Box If you have a VideumII Broadcaster Base Kit, you have to configure your Breakout Box. Winnov does not ship a video source/camera with the purchase of a VideumII Broadcaster. Therefore, to continue with this installation tutorial, you must have a S-Video or composite video source and configure the provided VideumII Breakout Box.
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Configuration of the Breakout Box Figure 2.5: Video Source Configuration Interface By default, the Breakout Box is set up for “4 Composite” video inputs. If you are using S-Video sources and would like to connect these to your Breakout Box, you must use this “Video Source configuration”...
Videum Update, as shown in Figure 2.6 is available from the setup menu and from the task bar. It will allow you to keep your software up- to-date at all times. Just open it and select “FTP Site” . Winnov’s latest software updates can be found at: http://www.winnov.de/support/software/index.htm http://www.winnov.com/support/software/index.htm...
Videum Capture allows you to select a device in the Video Properties dialog box in the Device list box. Or Open Videum Status by right clicking on the Winnov Eye located on your system tray. Videum Status also allows you to directly select the device you want.
Videum Capture Videum Capture is a multimedia capture application. You can use it to record audio, video, and capture still images, and then easily export them to another document using drag-and-drop. Videum allows you to add multimedia to web pages, word processing documents, presentations, and so on.
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Videum Capture Menus Button Menu SubMenu Description File Open Opens a capture file Save As Saves a captured clip to a file Recent File Lists the most recent files displayed Exit Exits the Capture program Edit Copy Copies the current frame to the clipboard View Customizes your display to include some or all of the menus, toolbars, and status bar...
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Video Capture Format The Video Capture Format Settings as shown in Figure 3.1, allow you to set the image size, the data format and the compression format. 1. Choose Video Format from the Capture menu or from the toolbar. 2. Set the image size. By default, your camera will capture a video at 320x240 pixels.
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Video Capture Format Compression Type Description RGB8 256 colors, in Windows format. A Videum card and Codec are not needed to playback video in this format. These video files can be very large. RGBH 64k colors, in Windows format. A Videum card and Codec are not needed to playback video in this format.
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Video Capture Properties Setting Capture Properties To set video, audio, and still image capture properties, choose ‘Properties’ from the Videum Capture menu or select the “Capture properties” icon from Videum Capture. The Capture Properties dialog has three tabs: Video, Audio, and Still Image. Set up the video The Video tab, as shown in Figure 3.2, allows you to control properties associated with video capture.
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Video Capture Properties Setting up the Video Properties 1. S elect the device you want to configure . 2. Define the frame rate and whether or not you want to capture audio along with your video. 3. Set a capture time limit. Thus, your movie files do not become too large.
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Still Image Set-up a still image The Still Image tab, as shown in Figure 3.4, allows you to set still image characteristics. Figure 3.4 : Still Image Tab of the Capture Properties Interface 1. Select the Image dimensions. 2. Define the Image orientation you want to have. Still images can have two orientations: Landscape, which gives you the standard image, which is wider than it is tall, and Portrait, which is taller than it is wide.
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Capturing an Audio or a Video Clip To record an audio, video, or still image clip, follow these steps: 1. To record a video clip, click the Record Video button. Alternatively, you could choose Record Video from the Capture menu. During the capture the elapsed time is displayed below the image in the Videum Capture window.
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Capturing an Audio or a Video Clip 5. To record an audio clip, click the Record Audio button on the Videum Capture window. A clip icon is displayed on the left side of the Videum Capture image, indicating that a clip is available for placement. You must add it to a document, save it, or delete it before you can do another capture.
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Adding Clips to Documents Once you have recorded an audio, video, or still image, you can paste it into a clipboard-compliant file such as your e-mail, word processor, spreadsheet, web page, or presentation tools. You can drag-and-drop the clip icon to any application that supports drag-and-drop. To add clips to documents, follow these steps: 1.
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Adding Clips to Documents If you have transferred a video clip, a still image of the beginning of the video is displayed in the document. You can play the clip by double- clicking on the clip; use the playback toolbar to control the clip. When you drag-and-drop an audio clip, an audio clip icon shown at the left is displayed.
Time Lapse Video Use the Time Lapse feature to take snapshots at regular intervals and assemble them into a movie. Time lapse interface is shown in Figure 3.8. Figure 3.8: Time Lapse Interface To use the Time Lapse feature, follow these steps: 1.
Stop Motion for Animations The Stop Motion feature allows you to take clips one frame at a time and assemble them into a movie. This is useful for claymation productions. The stop motion interface is shown in Figure 3.9. Figure 3.9: Stop Motion Interface To use the Stop Motion feature, follow these steps: 1.
WebCam The WebCam feature allows you to capture video images at regular intervals and save them to one or more files or transfer them directly to your website using the Internet File Transfer Protocol, FTP. You can set the capture interval and transfer location according to your needs. The Webcam Control Interface is shown in Figure 3.10.
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You can also start the webcam directly by the command line: “wnvtool /wcam” . A shortcut is available in the Winnov start menu.
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If you are using a Videum 4400, four devices are available, numbered from 0 to 3. Figure 3.14: Device Selection Interface 2. General information. This tab gives you some general information about your board. Please refer to this tab when you are emailing Winnov’s technical support.
2. Select the default audio source to associate with that input This feature is convenient for communication applications: audio inputs switch automatically, when another video input is selected. Figure 3.12: Videum Configure Applet for Videum 1000 Plus Family Figure 3.13: Videum Configure Applet for VideumII Broadcaster Family...
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Videum Configure Settings selected in Step #1 and 2 are applied to all the boards on your system. 3. Click More to set the video parameters This window as shown in Figure 3.14 allows you to modify the settings such as brightness, contrast, saturation and hue. Hue: this control is only used for NTSC cameras.
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Videum Configure Set-up the Audio Inputs Figure 3.16 shows you the audio inputs interface for Videum 1000 Plus family. Figure 3.17 shows you the audio inputs interface for VideumII Broadcaster family. Figure 3.16: Audio Inputs Interface for Videum 1000 Plus family Figure 3.17: Audio Inputs Interface for the VideumII BroadCaster Family...
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Adjust the audio out, Wave out and Wave in signals by moving the slider controlling the volume, as shown in Figure 3.18 and 3.19. Check the “mute” box if needed. Figure 3.18: Audio Outputs Interface for Videum 1000 Plus Family Figure 3.19: Audio Outputs Interface for Videum II Broadcaster Family...
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Videum Configure Videum 4100/4400 These two cards feature four composite or two S-Video (optional) inputs. Please assign one of the four inputs to become the default input. Configure for PAL, if a PAL video source is connected. Figure 3.20: Video inputs for the Videum 4100/4400 Set-up of the Audio Inputs The Videum 4100/4400 features four stereo audio inputs.
Zoom, pan, tilt your video camera, either locally or remotely. • Control brightness, contrast, saturation, hue of your Videum. • Connect to another Winnov card using TCP/IP protocols. • Switch to another camera, while you are conferencing. Figure 4.0: Videum Zoom Applet How to use Videum Zoom 1.
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To remotely control his camera, you just need to click on the ” Autoconnect” button which will detect the IP address of his system. Winnov Videum Zoom is an ActiveX that you easily integrate into a webpage. For more information, please refer to the Winnov Software Development Kit.
Videum Insignia The Videum Insignia application, as shown in Figure 5.1 allows you to add an existing insignia to your video window or to create a new insignia for display on your video window. An insignia could be text or graphic.
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Videum Insignia Once an insignia is selected, the preview window will display the insignia. Close Videum Capture and start it again to see the insignia you just added on your video(s). Create a new insignia or edit an existing insignia: 1.
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Videum Insignia System Time Overlay Enable “System Time Overlay” if you want to add date and time in minutes and seconds on each frame you will record. This is particularly useful for video surveillance applications. When you enable “System Time Overlay” , it will not be previewed on the little preview window.
Videum Mixer allows you to adjust the audio signal that you connected to your Videum board. 1. Start Videum Mixer by right-clicking on Videum Eye or selecting Start|Programs|Winnov Videum NT/ Videum Audio Mixer. The interface as shown in Figure 5.4 will pop up. Figure 5.4: Videum Mixer Applet 2.
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Videum 4400 Audio Mixer allows you to independently adjust all four audio channels of your Videum board in one interface. It shows the absolute db levels. 1. Start Videum 4400 Audio Mixer selecting Start|Programs|Winnov Videum NT/ Videum 4400 Audio Mixer. The interface as shown in Figure 5.6 will pop up.
Videum Source Switch Videum Source Switch is the latest applet released by Winnov. This applet enables you to automatically switch between video sources, locally and remotely. You only need to set up the sequence and the timeframe and hit “Start Cycle” ! 1.
Winnov Watchdog Winnov Watchdog is a crash-recovery function that automatically reboots the system in the event of a software lock-up. This allows for complete unattended operation, 24x7x365. Watchdog feature is particularly useful for systems that are operated in a remote location and in mission critical applications.
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Winnov Watchdog 5. Right click on the Watchdog icon and select “Enable Watchdog” . Wathdog function is now enabled. The expression “Enable Watchog” will be replaced by “Disable Watchdog” . Figure 7.1: Disable Watchdog 6. Check the status of the Watchdog by selecting “Status” from the Watchdog menu.
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7. Test Watchdog If you want to test Winnov Watchdog to see whether or not it works on your system, right click on the Dog icon and click on “Test Watchdog” . Then click ‘Yes’ .
Your Videum 4100/ 4400 features 8 digital input/output triggers that can be used for event signaling. The 8 digital input/output interface on the Videum 4100/4400 is controlled through Winnov’s ActiveX software. Each Input/Output can be individually used as input or ouput.
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Digital Inputs/Outputs Electrical schematic of the digital inputs and outputs 8 Bit TTL I/O (J6) Refer to Figure 8.0 in order to identify each digital input/output. Figure 8.0: 8 bit TTL I/O Pin 1 is on the top left side. Via J24 the output level on this connector can be switched between 3,3 and 5 Volts.
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Digital Inputs/Outputs Configuring the digital inputs and outputs 1. Select the Videum Digital I/O Control Panel by selecting Start|Programs|Winnov VideumNT|Utilities/Videum Digital I/O Control Panel Figure 8.2: Digital I/Os control panel 2. Set each line as an input or output. If you selected the line as an output, set the state of the output: Open means 1.
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Digital Inputs/Outputs 1. Line is set as Input 2. Event Enable is checked 3. An action is selected from the dropdown box 4. An event is fired 5. To create an action: An action is a script, executable or patch files. 1.
Remote Control Server(NetListen) running and enabled. 1. Select S tart | Programs | Winnov Videum Application | Utilities | Net Listen . And click on Net Listen. A little grey remote control shows up in the right part of your tray.
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Applications Video Conferencing Use the Internet to see your friends or relatives worldwide. Just install Microsoft NetMeeting from the Videum Software CD-ROM or any other video conferencing application of your choice. • Connect to the Internet via a fast modem or ISDN.
Rich Media Presentation Manager Auvidea RMPM Extremely easy to use content creation tool for rich media presentations: live and on-demand • Synchronized flipping of powerpoint slides • Switch between multiple video sources • Import and convert powerpoint slides automatically • Supports Windows Media and Real Media technologies plus: Live:...
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Quad DVR 4 Channel Digital Video Recorder based on Microsoft streaming technologies. Full details at www.winnov.de. As a key difference to other surveillance systems, this system use streaming technology. Apart from easy distribution of video across the Intranet and Internet, it has the following advantages: 1.
Software Development Kit (SDK) A powerful Software Development Kit (SDK) comes with any member of the Videum product line. Winnov’s SDK is a set of ActiveX tools that allow you to easily develop multimedia applications. Specifications of Winnov’s SDK Development platforms: HTML and web scripting, Visual C++,...
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Web based automatic pan, tilt and zoom Go to http://www.winnov.com/products/capture/videum4400_quad.com to open the Web-based four-video display sample. Support Support for ActiveX Controls and any programmatic features or issues will be provided only through the Winnov Newsgroups. Please visit our website for more information: http://www.winnov.de/developers/index.htm...
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Winnov’s Software Development Kit. This applica- tion was created in a matter of hours using Microsoft Frontpage and Winnov’s ActiveX components. We advice you to take advantage of this application as it is specifically designed for Videum 4400 capture card.
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6. Play back the video by clicking on the “play” button located on the bottom left side of the sample application. You will notice that this left side is actually the Winnov’s Videum Zoom applet included in the webpage. Videum Zoom is an ActiveX component that can be easily integrated to a webpage.
Troubleshooting No video image If you have no video display (a black video window): • Select the right video input. Use Configure to see all three video inputs. Make sure PAL is selected (for Europe). • No video in NetMeeting: you installed NetMeeting before installing the Videum software.
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ReadMe file on the floppy disk or CD-ROM. Also, please have a look at our support web pages on the Internet. Or visit our newsgroups. You can reach our technical support at http://www.winnov.de or http://support.winnov.com or by e-mailing support@winnov.de.
Technical Specifications Winnov Video Camera (analog) Part Number NTSC XC77B/495 XC77B/490 or XC77B/320 with Winnov cable Active Pixels: 512 (H) x 582 (V), 1/4“ CCD, 300000 pixels White balance: automatic and manual Microphone: integrated Lens: 3.8mm, f2.0 (< 10 lux)
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Technical Specifications Videum 1000 Plus , 1000 VO Plus and 1010 Plus Video Capture Video NTSC or PAL Composite, S-Video and MXC (connector for Winnov Color Camera) (For Videum 1010 Plus, Composite and S-video inputs are available with a provided adapter cable)
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- Three blank self-sticking Front Panel Labels. - One A/V-Media Cable to connect one VideumII Broadcaster Capture. Card to one VideumII Broadcaster Breakeout Box. - One Winnov Videum Software CD to install the drivers and capture software for the Videum II Broadcaster. Lite Kit: The VideumII Broadcaster Light kit contains: - One Videum II Broadcaster Capture Card to capture audio and video.
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Technical Specifications VideumII Broadcaster Capture Card Video Standards: NTSC or PAL (switchable in software) Capture formats: YV12 YUV 4:2:0 YUY2 YUV 4:2:2 WNV1 RGHB 16-RGB rgb (32 colors) RGHT 24-RGB rgb (16.8 million colors) Image size: 32x24 to 640x480 NTSC or 32x24 to 768x576 PAL 640x360 for 16/9 widescreen format 640x272 for 2.35:1 widescreen format...
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Technical Specifications VideumII Broadcaster Breakout Box: DVI Connector: Video In 1, 2, 3 and 4 Audio in 1 and Audio In 2 (balanced stereo) Audio Out (balanced stereo) I2C control/data bus Vid1/Y and Vid2/C: Two BNC connectors: Composite Video In 1 (Vid1) and Composite Video In 2 (Vid2) or Luminance (Y) signal of S-video and Chrominance (C) signal of S-video...
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Specification of Videum 4100 Hardware and Driver Multiboard capable: Yes, no interrupt or DMA conflicts SMP capable: Yes, optimized for multi-processor systems Video Video Sources: Video Capture channel: 1 channel Video Connections: 4 composite (75 Ohm) Connector Type: Video Standard: NTSC or PAL Capture Formats: Motion JPEG compressed video...
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Specification of Videum 4400 Hardware and Driver Multiboard capable: Yes, no interrupt or DMA conflicts SMP capable: Yes, optimized for multi-processor systems Video Video Sources: Video Capture channels: 4 independent channels, aggregate 200 fps (PAL) Video Connections: 4 composite (75 Ohm) Connector Type: Video Standard: NTSC or PAL...
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Specification of Videum 4100/ 4400 Video Acquisition Support for 4 x composite or 2 x S-Video inputs. • 9 Bit analog-to-digital converter with two-fold ITU-656 oversampling (27MHz) provide the most acurate professional quality image sampling available in the market • Digital PLL for synchronization and clock generation from all standards and non standard video sources e.g.
Glossary Compress Reducing the size of a file by eliminating irrelevant information and trying at the same time to keep the same image impression. Contrast The tonal difference between light, midtone, and dark areas of an image. Digital video (DV) Refers to the capturing, manipulation and storage of video in digital formats.
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Glossary Lossless compression Finds repeated parts of the signal, removes them, then puts them back in at the other end - important for data but not for voice. Lossy compression Use advanced modeling techniques to determine what is important to the signal and what can be left out - signal should sound or look pretty much same.
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Glossary SECAM Sequential Couleur A Memoire. TV standard developed in France. Spatial compression Compression technique that reduces the information needed to display video frames. S-Video S-Video is one of the high quality methods of transmitting a television signal from a device such as a Camcorder, DVD, or a digital satellite receiver. S-video interface separates the color information (Chrominance) from the brightness (Luminance), which prevents nasty things and helps increase clarity and sharpness.
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