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Noldus Knowledge Base

Check out detailed explanations on how to make optimal use of your Noldus installation. You can filter on the product you’re using. Looking for quick answers to common support questions? Check out our FAQs

Knowledge Base articles - All products


What are the filter settings in Trackab?

TrackLab contains three filter settings sampling rate, smoothing window size and Minimal distance moved filter.

Related to TrackLab

Custom ErasmusLadder Experiment Protocol does not perform as programmed

Despite customizing the Experiment Protocol in the ErasmusLadder software, review of the data shows that the trials did not progress as designed. This is due do the ErasmusLadder not being able to compute and predict the trial perturbations.

Related to ErasmusLadder

How do power outages affect TrackLab operation?

TrackLab needs a stable power connection to ensure consistent operation.

Related to TrackLab

My video image is missing/black/white/grayed out in certain places in EthoVision XT (e.g., Arena Settings, Detection Settings, Acquisition, Track Editor, Manual Scoring, Integrated Visualization, etc.)

This issue involves a situation where you do not see a video image in certain places in the EthoVision XT software.

Related to EthoVision XT

Error contacting the license server in The Observer XT 16

Early versions of The Observer XT 16 may need to updated if using a software-based license, due to changes in the license server.

Related to The Observer XT

Using the MediaTypeRegistryCleaner

When video files will not play in EthoVision XT, especially MP4 videos, this tool can often resolve the issue. Media File Error (Id 8356) may be a symptom in such cases.

Related to EthoVision XT