Media Server 25.4
Media Server Help

# CharacterTypes

The types of characters to include in the character set used for recognition. Specify the types of characters that you expect to appear in your media. If you know that your media only contains certain types of characters, such as uppercase characters, limit recognition to these characters because this can increase accuracy.

You can specify a list of types that includes one or more of the following values.

- `all`
- `alpha` - includes both lower case and upper case
- `lowercase`
- `uppercase`
- `digit`
- `punctuation`
- `special` - includes currency, mathematical, and other non-punctuation symbols
- `symbol` - includes anything that the `alpha` or `digit` options do not include. This is equivalent to `punctuation` and `special` combined

Separate multiple values with commas (there must be no space before or after a comma).

Type: | String
Default: | All
Required: | No
Configuration Section: | TaskName
Example: | `CharacterTypes=uppercase,punctuation`
See Also: | DisabledCharacters Languages ExtraEnabledCharacters

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Media Server 25.4

Topic Title: CharacterTypes