| TagLib 1.13 |  |

### - u -

- UnicodeType : TagLib::ASF::Attribute
- Unknown : TagLib::ASF::Properties, TagLib::ID3v2::EventTimingCodesFrame, TagLib::ID3v2::SynchronizedLyricsFrame, TagLib::MP4::CoverArt, TagLib::MP4::Properties
- UseInstruments : TagLib::IT::Properties
- UseMidiPitchController : TagLib::IT::Properties
- UTF16 : TagLib::String
- UTF16BE : TagLib::String
- UTF16LE : TagLib::String
- UTF8 : TagLib::String