- Helsinki Speech Challenge 2024 open audio dataset(2024-10-29) Ludvigsen, Martin; Karvonen, Elli; Juvonen, Markus; Siltanen, Samuli; Norwegian University of Science and Technology - Ludvigsen, Martin; University of Helsinki - Karvonen, Elli; University of Helsinki - Juvonen, Markus; University of Helsinki - Siltanen, Samuli