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JVC 4ch Network Encoder VN-E4 Instructions Manual
Also see for 4ch Network Encoder VN-E4: Api guideInstructionsStartup guide
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Contents
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5Introduction (continued)FeaturesDistribution of 4-channel images to the networkVN-E4 compresses 4-channel video input images in theJPEG format. For VN-E4U, each channel may bedistributed at a maximum rate of 30 fps. The maximum ratefor 4 channels is 120 fps in total. For VN-E4E, each channelmay be distributed at a maximum rate of 25 fps. Themaximum rate for 4 channels is 100 fps in total. Either VGAor QVGA may be selected as the frame size. It is alsopossible to simultaneously distribute a video input in bothtypes of frame sizes.Clients may be able to acquire these JPEG via TCP. Up to10 JPEG or audio streams may be sent via TCP. Forexample, when acquiring 4 JPEG and 1 audio stream viaTCP using the built-in viewer, a maximum of 2 built-inviewers may be connected to each VN-E4.Multicast transmission of JPEG is also possible withVN-E4. Multicast transmission of up to 10 streams ispossible.Audio distribution to the networkVN-E4 compresses 1-channel audio input in the μ-lawformat. Clients may acquire μ-law via TCP. Multicasttransmission of μ-law is also possible with VN-E4.VN-E4 comes with a built-in echo canceller. Use this duringbi-directional audio transmission.Reception and output of audio signals from thenetworkVN-E4 enables output of μ-law received from the networkas audio signals.Built-in ViewerVN-E4 comes with a built-in ActiveX viewer. Monitoring ofVN-E4 images and audio using the PC is possible byinstalling this built-in viewer on the PC.Motion detect and alarm inputVN-E4 is equipped with motion detect function that candetect motion in each video input. It also comes with a4-channel alarm input. It is possible to invoke actions suchas notification to clients, alarm output, sending of mails andJPEG file transfer during detection of motion or alarm input.Actions may also be invoked using a combination of 2conditions.Controlling external devices connected to theserial portVN-E4 comes with 2 serial ports. It is possible to controlexternal devices connected to the serial ports from theclients.Controlling external devicesThe built-in viewer of VN-E4 may be used to control JVCcameras and cameras that support the Pelco-D protocol.Restrictions on ClientsVN-E4 can permit or deny access from clients based onregistered IP addresses. |
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