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# Font table atom ('ftab')

An atom that specifies the font used to display the subtitle.

## Topics

### Data fields

[`Size`](/documentation/quicktime-file-format/Font_table_atom/Size)

An unsigned 32-bit integer holding the size of the font table atom.

[`Type`](/documentation/quicktime-file-format/Font_table_atom/Type)

An unsigned 32-bit field.

[`Count`](/documentation/quicktime-file-format/Font_table_atom/Count)

An unsigned 16-bit integer specifying how many fonts are described in this table.

[`Font identifier`](/documentation/quicktime-file-format/Font_table_atom/Font_identifier)

An unsigned 16-bit integer that identifies the font.

[`Font name length`](/documentation/quicktime-file-format/Font_table_atom/Font_name_length)

An unsigned 8-bit integer specifying the length of the font name in bytes.

[`Font name`](/documentation/quicktime-file-format/Font_table_atom/Font_name)

Must be either “Serif” or “Sans-Serif”.


---

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