# V2.54 How to filter on non-standard field?

**URL:** <https://community.mp3tag.de/t/v2-54-how-to-filter-on-non-standard-field/18650>\
**Category:** Support\
**Created:** [January 29, 2017, 5:02pm UTC](https://community.mp3tag.de/t/v2-54-how-to-filter-on-non-standard-field/18650 "2017-01-29T17:02:10Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![chrisjj](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/c/a698b9/32.png) [@chrisjj](https://community.mp3tag.de/u/chrisjj)\
**Post date:** [January 29, 2017, 5:02pm UTC](https://community.mp3tag.de/t/v2-54-how-to-filter-on-non-standard-field/18650/1 "2017-01-29T17:02:10Z")

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How can I filter-in all tracks having FIDELITY not equal to "CDA"?

![](http://i.imgur.com/SyujGBZ.png)

This fails:

 ![](http://i.imgur.com/Yh0GjYL.png)

EDIT: Though F1 Help file:///S:/Tools/Mp3tag/help/main\_filter.html says this should work, I now wonder if that's the wrong help for this version. If the filter syntax is changed in that Help, can anyone tell me the correct syntax for this version? I don't want to change version.

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**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [January 29, 2017, 5:29pm UTC](https://community.mp3tag.de/t/v2-54-how-to-filter-on-non-standard-field/18650/2 "2017-01-29T17:29:13Z")

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> [@chrisjj](#):
>
> ...This fails:  
> Fidelity is not "CDA"

NOT %fidelity% IS "CDA"

Filter keywords have to be in capitals (see [https://docs.mp3tag.de/filter](https://docs.mp3tag.de/filter))

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<div class="post-metadata">

**Author:** ![chrisjj](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/c/a698b9/32.png) [@chrisjj](https://community.mp3tag.de/u/chrisjj)\
**Post date:** [January 29, 2017, 5:36pm UTC](https://community.mp3tag.de/t/v2-54-how-to-filter-on-non-standard-field/18650/3 "2017-01-29T17:36:59Z")

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> [@ohrenkino](#):
>
> NOT %fidelity% IS "CDA"

Great. Thanks. And I find no % or " needed:

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**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [October 7, 2024, 6:06pm UTC](https://community.mp3tag.de/t/v2-54-how-to-filter-on-non-standard-field/18650/4 "2024-10-07T18:06:29Z")

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