| TagLib 1.13 |  |

### - u -

- UniqueFileIdentifierFrame() : TagLib::ID3v2::UniqueFileIdentifierFrame
- UnknownFrame() : TagLib::ID3v2::UnknownFrame
- UnknownMetadataBlock() : TagLib::FLAC::UnknownMetadataBlock
- unsupportedData() : TagLib::PropertyMap
- unsynchronisation() : TagLib::ID3v2::Frame, TagLib::ID3v2::Header
- UnsynchronizedLyricsFrame() : TagLib::ID3v2::UnsynchronizedLyricsFrame
- updateFrame() : TagLib::ID3v2::FrameFactory
- upper() : TagLib::String
- url() : TagLib::ID3v2::UrlLinkFrame
- UrlLinkFrame() : TagLib::ID3v2::UrlLinkFrame
- UserTextIdentificationFrame() : TagLib::ID3v2::UserTextIdentificationFrame
- UserUrlLinkFrame() : TagLib::ID3v2::UserUrlLinkFrame