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Compression and decompression algorithms are specified on the settings panel of the Camera object using the Compressor and Decompressor list, respectively (see The Settings settings panel of the Camera object), or on the List of cameras tab on the settings panle of the Monitor object (see Selecting and configuring video cameras and Selecting and configuring video cameras in bulk).  The The decompression algorithm specified in the camera settings is used when a video signal is displayed on a video surveillance monitor and for detection detectors operation.

Note
titleAttention!

By default, you cannot select compression and decompressionalgorithms are not available for selecting and , and Compressor and Decompressor dropdown lists are not drop-down lists aren't available for editing. To enable this feature, set the “1” 1 value for the EnableCodecSettings registry parameter (see see Registry keys reference guide).

Info
titleNote

In the multistream mode (see Configuration of see Configuring the multistream video), you can select the codec selecting and settings of configure the video signal quality is performed separately for each video stream on the Camera object’s settings panel of the Camera object on the Video stream tab.

If you don't select the compressor/decompressor (default value) is not selected on the settings panel of a the Camera object or select the incorrect inapplicable one is selected, then  Axxon PSIM software automatically selects the first compressor/decompressor in alphabetical order. If it does not fit too, the following one is selected is also inapplicable, the next compressor/decompressor in alphabetical order is selected, and so on, until the correct an applicable one is selected.

Info
titleNote

 When When you use WS7 and WS17 video capture cards are in use, the Decompression field is to be left blank otherwise use , we recommend leaving the Decompressor field blank, or using Motion Wavelet decompressor. If you select another decompressor is selected, then Axxon PSIM™ operation is not PSIM operation isn't guaranteed.

Note
titleAttention!
 If for some reasons

If you are not satisfied with the automatic decompressor selection

is not right

,

then

you

are to

must select a suitable decompressor

manually

yourself.