Canon VB-S800D Mark II Network Camera Operation Guide - Page 144

[Video and Audio] > [ADSR] Reducing Data Size by Lowering Video Quality in Specific Areas Reduces the size of transmitted H.264 video by reducing the video quality of non-target areas, such as ceilings and the sky. ADSR is an abbreviation for Area-specific Data Size Reduction. The following settings can be configured here. • Specified Area • ADSR Important Some image scenes and settings for selected areas may not be able to reduce data size using ADSR. Please test the ADSR feature in the environment before use. Note • The image quality of the specified area depends on the [Bit Rate Control] setting in [Video] > [H.264(1)] or [H.264(2)]. - When [Use bit rate control (constant bit rate)] is set: The image quality is adjusted according to the situation to match the target bit rate. - When [Do not use bit rate control (variable bit rate)] is set: The setting in [Video] > [H.264(1)] or [H.264(2)] is retained. • The image quality for areas outside the specified area will be reduced according to [Data Size Reduction Level]. HM4x S30 S31 • Even if the camera pans, tilts, or zooms (zoom is for HM4x S30 only), the specified area follows the movement of the camera. • Specified areas can only be configured within view restrictions. Specified Area Specify the area where video quality is not to be lowered. You can specify up to eight areas with different colored frames. 126