Taiwanese Phonetic Symbols
Taiwanese Phonetic Symbols (Chinese: 臺語方音符號; TPS: ㄉㄞˊ ㆣ丨ˋ ㄏㆲ 丨ㆬ ㄏㄨˊ ㄏㄜ˫) constitute a system of phonetic notation for the transcription of Taiwanese languages, especially Taiwanese Hokkien. The system was designed by Professor Chu Chao-hsiang, a member of the National Languages Committee in Taiwan, in 1946.
Source: Wikipedia — Taiwanese Phonetic Symbols (CC BY-SA 4.0)