Dmytro V. Lande, Olegh O. Dmytrenko, Anatolij I. Shevchenko, Mykyta S. Klymenko, Maksym O. Vakulenko
Spoken language identification based on the transcript analysis

Digital Scholarship in the Humanities, Volume 38, Issue 2, June 2023, Pages 586-595,
DOI: https://doi.org/10.1093/llc/fqac052

 

Language identification is a great challenge in language engineering, which arises along with the tasks of speech recognition, machine translation, cross-language information retrieval, intelligent dialogue system creation, etc. The presented article introduces the intelligent language identification technology, which is based on speech recognition and statistical methods of spectrogram analysis. The approach to the automatic identification of the spoken language sample uploaded to the system, in particular from video streaming services such as YouTube, is put forward. The article focuses on the automatic identification of spoken language, taking into account several speech recognition solutions for correct or incorrect speech recognition and its conversion into correct or incorrect text. The obtained algorithm is demonstrated in the Ukrainian and Russian languages. The identification quality of the language of an utterance, which lasts >30 s is almost 100%, and for the utterance of a duration of 30 s, the quality is 98%, and for the 5-s utterance, it reaches 89.6%. In addition to that, the system performance is contingent on the streaming speed, so it is a real-time system.

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