Toshiba Ikwb16aw Manual
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71 Cropping Setting Advanced Mode Click Cropping Setting to open the Cropping Settings page. Please follow the steps below to set up cropping mode for mutiple stream\ s: 1. Click Cropping Setting to open the window as shown below. 2. Select a Captured area from the drop-down list. The floating frame, the same as the one in the Global View window on the home page, will resize accordingly. If you want to set up a customized viewing re- gion, you can also resize and drag the floating frame to a desired position with your mouse. 3. Click Save to enable the settings and click Close to exit the window. Below is the illustration of cropped image: cropped image
72 Video quality settings for stream 1 ~ 4 Advanced Mode Click the items to display the detailed video quality settings. This Network Camera offers two choices of video compression standards (MPEG-4 and JPEG) for real- time viewing. If MPEG-4 mode is selected, the video is streamed via RTSP protocol. There are four parameters provided in MPEG-4 mode which allow you to adjust the video performance: selectable selectable ■ Frame size You can set up different video resolution for different viewing devices. For example, set a smaller frame size and lower bit rate for remote viewing on mobile phones and a \ larger video size and a higher bit rate for live viewing on web browsers. Note that a larger frame size\ takes up more bandw idth. ■ Maximum frame rate This limits the maximum refresh frame rate per second. Set the frame rate higher for smoother video quality. If the power line frequency is set to 50Hz, the frame rates are selectable at 1fps, 2fps, 3fps, 5fps, 8fps, 10fps, 15fps, 20fps, and 25fps. If the power line frequency is set to 60Hz, the frame rates are selectable at 1fps, 2fps, 3fps, 5fps, 8fps, 10fps, 15fps, 20fps, 25fps, and 30fps. You can also select Customize and manually enter a value. The frame rate will decrease if you select a higher resolution. selectable selectable
73 ■ Intra frame periodDetermine how often to plant an I frame. The shorter the duration, the more likely you will get better video quality, but at the cost of higher network bandwidth consumption. Select the intra frame period from the following durations: 1/4 second, 1/2 second, 1 second, 2 second\ s, 3 seconds, and 4 seconds. ■ Video quality A complex scene generally produces a larger file size, meaning that higher bandwidth will be needed for data transmission. Therefore, if Constant bit rate is selected, the bandwidth utilization is fixed at a selected level, resulting in mutable video quality performance. The bit rates are selectable at the following rates: 20Kbps, 30Kbps, 40Kbps, 50Kbps, 64Kbps, 128Kbps, 256Kbps, 512Kbps, 768Kbps, 1Mbps, 2Mbps, 3Mbps, and 4Mbps. You can also select Customize and manually enter a value. On the other hand, if Fixed quality is selected, all frames are transmitted with the same quality; bandwidth utilization is therefore unpredictable. The video quality can be adjusted to the following settings: Acceptable, Satisfactory, Good, Very Good, and Excellent. You can also select Customize and manually enter a value from 1 (high quality) to 31 (low quality)\ . If JPEG mode is selected, the Network Camera continuously sends JPEG images to the client, producing a moving effect similar to a filmstrip. Every single JPEG image transmitted guarantees the same image quality, which in turn comes at the expense of variable bandwidth usage. Because the media contents are a combination of JPEG images, no audio data is transmitted to the client. There are three parameters provided in MJPEG mode to control the video performance: ■ Frame size You can set up different video resolution for different viewing devices. For example, set a smaller frame size and lower bit rate for remote viewing on mobile phones and a \ larger video size and a higher bit rate for live viewing on web browsers. Note that a larger frame size\ takes up more bandwidth. ■ Maximum frame rate This limits the maximum refresh frame rate per second. Set the frame rat\ e higher for smoother video quality. If the power line frequency is set to 50Hz, the frame rates are selectable at 1fps, 2fps, 3fps, 5fps, 8fps, 10fps, 15fps, 20fps, and 25fps. If the power line frequency is set to 60Hz, the frame rates are selectable at 1fps, 2fps, 3fps, 5fps, 8fps, 10fps, 15fps, 20fps, 25fps, and 30fps. You can also select Customize and manually enter a value. The frame rate will decrease if you select a higher resolution. ■ Video quality The video quality can be adjusted to the following settings: Acceptable, Satisfactory, Good, Very Good, and Excellent. You can also select Customize and manually enter a value from 10 (high quality) to 200 (low quality). ● Video quality and fixed quality refers to the compression rate, so a lower value will produce higher quality. NO TE
74 Audio Settings Mute: Select this option to disable audio transmission from the Network Camera to all clients. Note that if mute mode is turned on, no audio data will be transmitted even if audio transmission is enabled on the Client Settings page. In that case, the following message is displayed: Internal microphone input gain: Select the gain of the internal audio input according to ambient conditions. Adjust the gain from +21 db (most sensitive) ~ -33 db (least sensitive). External microphone input: Select the gain of the external audio input according to ambient conditions. Adjust the gain from +21 db (most sensitive) or -33 db (least sensitive). Audio type: Select audio codec AAC or GSM-AMR and the bit rate Advanced Mode. ■ AAC provides good sound quality at the cost of higher bandwidth consumption. The bit rates are selectable from: 16Kbps, 32Kbps, 48Kbps, 64Kbps, 96Kbps, and 128Kbps. ■ GSM-ARM is designed to optimize speech quality and requires less bandwidth. The bit rates are selectable from: 4.75Kbps, 5.15Kbps, 5.90Kbps, 6.7Kbps, 7.4Kbps, 7.95Kbps,10.2Kbps, and 12.2Kbps. When completed with the settings on this page, click Save to enable the settings. ● The Network Camera offers two inputs to capture audio - internal microphone or external microphone. When external microphone is connected, it switches from internal microphone to external microphone automatically. ● The jack of microphone can use only the type of 3.5mm Stereo. ● The usable microphone is the Plug-in-power Condenser Microphones with 3.5mm Stereo mini-plug. And right angle plug is highly recommended. NO TE
75 Motion Detection This section explains how to configure the Network Camera to enable motion detection. A total of three motion detection windows can be configured. Follow the steps below to enable motion detection: Follow the steps below to enable motion detection: 1. Click New to add a new motion detection window. 2. In the Window Name text box, enter a name for the motion detection wi\ ndow.■ To move and resize the window, drag and drop your mouse on the window. ■ To delete window, click X on the top right corner of the window. 3. Define the sensitivity to moving objects and the space ratio of all alerted pixels by moving the Sensitivity and Percentage slider bar. 4. Click Save to enable the settings. 5. Select Enable motion detection to enable this function. For example: The Percentage Indicator will rise or fall depending on the variation between sequential images. When motions are detected by the Network Camera and are judged to exceed the defined threshold, the red bar rises. Meanwhile, the motion detection window will be outlined in red. Photos or videos can be captured instantly and configured to be sent to a remote server (Email, FTP) by utilizing this feature as a trigger source. For more information on how to set an event, please refer to Application on page 84. 2010/01/15 11:20:25 Video(TCP-AV)2010/01/15 16:39:26
76 A green bar indicates that even though motions have been detected, the event has not been triggered because the image variations still fall under the defined threshold. ● How does motion detection work?There are two motion detection parameters: Sensitivity and Percentage. In the illustration above, frame A and frame B are two sequential images. Pixel differences between the two frames are detected and highlighted in gray (frame C) and will be compared with the sensitivity setting. Sensitivity is a value that expresses the sensitivity to moving objects. Higher sensitivity settings are expected to detect slight movements while smaller sensitivity settings will neglect them. When the sensitivity is set to 70%, the Network Camera defines the pixels in the purple areas as “alerted pixels” (frame D). Percentage is a value that expresses the proportion of “alerted pixels” to all pixels in the motion detection window. In this case, 50% of pixels are identified as “alerted pixels”. When the percentage is set to 30%, the motions are judged to exceed the defined threshold; therefore, the motion window will be outlined in red. For applications that require a high level of security management, it is suggested to use higher sensitivity settings and smaller percentage values. A B D C NOTE
77 Camera Tampering Detection This section explains how to set up camera tamper detection. With tamper detection, the camera is capable of detecting incidents such as redirection, blocking or defocusing, or even spray paint. Please follow the steps below to set up the camera tamper detection func\ tion: 1. Check Enable camera tampering detection. 2. Enter the tamper trigger duration. (10 sec. ~ 10 min.) The tamper alarm will be triggered only when the tampering factor (the difference between current frame and pre-saved background) exceeds the trigger threshold. 3. Set up the event source as Camera Tampering Detection on Application page > Event Settings / Server Settings (how to send alarm message) / Media Settings (send what type of alarm message) . Please refer to page 84 for detailed information.
78 Camera Control This section explains how to control the Network Camera’s Pan/Tilt/digitl Zoom operation via the control panel and how to preset positions. Preset Positions You can preset positions for the Network Camera to go to directly or patrol. A total of 20 preset positions can be configured. Please follow the steps below to preset a position: 1. Adjust the shooting area to the desired position using the buttons on the right side of the window. 2. Click Set as home or Default home to define your home position. 3. Enter a name for the preset position, which allows for up to forty characters. Click Add to enable the settings. The preset positions will be displayed under the Preset Location list on\ the left-hand side. 4. To add additional preset positions, please repeat steps 1~2. 5. To remove a preset position from the list, select it from the drop-down l\ ist and click Delete. 6. The preset positions will also displayed on the main page. Please refer to the illustration on the next page. 7. Click Save to enable the settings. Functions are the same as the Control Panel on the home page1 2 5 7 3 3
79 Home page in PTZ Mode ■ The Preset Positions will also be displayed on the home page. Select one from the drop-down list, and the Network Camera will move to the selected preset position.
80 Patrol Settings You can select some preset positions for the Network Camera to patrol. Please follow the steps below to set up a patrol schedule: 1. Click a preset location on the list and click Select. 2. The selected preset location will be displayed on the Source list. 3. Set the Dwelling time for the preset location during auto patrol. You can also manually enter a value in the blank and click Update. 4. Repeat step 1 and 3 to select additional preset locations. 5. If you want to delete a selected location, select it from the Source \ list and click Remove. 6. Select a location and click Up or Down to rearrange the patrol order. 7. Adjust the Auto pan/patrol speed. 1(slow) ~5(fast) 8. Click Save to enable the settings. right left up down rightleft 1010 10 1 2 6 5 8 3 7