# After applying mne.filter.create\_filter() to array the total samples reducing why samples reducing any reason?

**URL:** <https://mne.discourse.group/t/after-applying-mne-filter-create-filter-to-array-the-total-samples-reducing-why-samples-reducing-any-reason/6311>\
**Category:** Support & Discussions\
**Tags:** preprocessing\
**Created:** [February 8, 2023, 11:07am UTC](https://mne.discourse.group/t/after-applying-mne-filter-create-filter-to-array-the-total-samples-reducing-why-samples-reducing-any-reason/6311 "2023-02-08T11:07:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Deepu](https://yyz2.discourse-cdn.com/free1/user_avatar/mne.discourse.group/deepu/32/4283_2.png) [@Deepu](https://mne.discourse.group/u/Deepu)\
**Post date:** [February 8, 2023, 11:07am UTC](https://mne.discourse.group/t/after-applying-mne-filter-create-filter-to-array-the-total-samples-reducing-why-samples-reducing-any-reason/6311/1 "2023-02-08T11:07:29Z")

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after applying mne filter to numpy array data the samples reducing.Kindly see the png files

 ![image](https://global.discourse-cdn.com/free1/uploads/mne/original/2X/7/70a70dcf33a0f2d3244ac6d456b9bbf531f16dfd.png)  
 ![image](https://global.discourse-cdn.com/free1/uploads/mne/original/2X/9/966a7a53b2b6a01940a865578dea0f7f30833a9c.png)