HLT stands for human language technology and is basically a mix of applied linguistics and applied computer science. HLT people use computers to aggregate, analyze, produce, alter, or react to human text and speech. This is also known as NLProc or NLP (natural language processing), which is then combined with computational linguistics (CL) and app development. HLT has become a pillar of digital media and makes prominent use of AI approaches. There would be no automatic transcription, translation, subtitling, and voice-over generation without HLT – and no chat bots, voice assistants, meta data generators, and summarization tools.