About STTS

STTS is a specialist company, focusing on computational linguistics and speech technology. The company offers speech technology advice, general and custom-made synthetic voices, lexicon development, annotation of speech and language data, and other consultancy services in speech technology, including software development.

STTS was founded in 2002 by Harald Berthelsen, Nikolaj Lindberg, Hanna Lindgren and Jessica Waywell. The company is owned by the founders, and has no external investors. Since January 2007, the company office is located at Östgötagatan, Södermalm, in Stockholm.

The founders have years of experience of research and development in computational linguistics, speech technology and dialogue systems. Their university education covers linguistics, computational linguistics, speech technology, phonetics, programming, Swedish, English, German, Irish and Finnish.

Since the foundation, STTS has primarily worked with development of pronouncing dictionaries for a number of European languages, recording and annotation of speech data for unit selection speech synthesis, and transcriptions and semantic labelling of speech data to be used in dialog systems.