AVer SF2111H-DVR user manual - Manual (Page 55)

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System > Video Stream > Stream1
Basic Mode
Click Apply to save the configuration.
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Resolution: There are 5 resolutions can be chosen -- 1920x1080, 1280x720, 640x480,
320x240, 176x144.
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Profile: Profiles are different compression way of H.264. High profile provides better coding
efficiency. Note that some devises do not support every profile. For example, iPhone4 only
supports Main profile.
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Quality: There are 5 levels to adjust – Best, High, Standard, Medium, and Low. The higher the
quality is, the bigger the file size is. Also not good for internet transmitting.
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Video Frame Rate: The video refreshing rate per second.
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Video Format: H.264 or JPEG.
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RTSP Path: It’s a URL address.
Advanced Mode
Click Apply to save the configuration.
−
Resolution: There are 5 resolutions can be chosen -- 1920x1080, 1280x720, 640x480,
320x240, 176x144.
−
Profile: Profiles are different compression way of H.264. High profile provides better coding
efficiency. Note that some devises do not support every profile. For example, iPhone4 only
supports Main profile.
−
Rate Control: There are CBR (Constant Bit Rate) and VBR (Variable Bit Rate) to use.
CBR: 32Kbps~8Mbps (the higher the CBR is, the better the video quality is).