{"url":"/dataset/olr-2021","name":"OLR 2021","full_name":null,"description_markdown":"The **OLR 2021** dataset contains the data for the Oriental Language Recognition (OLR) 2021 Challenge, which intends to improve the performance of language recognition systems and speech recognition systems within multilingual scenarios.","description_withheld":null,"homepage":"http://cslt.riit.tsinghua.edu.cn/mediawiki/index.php/OLR_Challenge_2021","introduced_date":"2021-07-23","introduced_date_note":null,"introduced_by":{"paper":"/paper/olr-2021-challenge-datasets-rules-and","title":"OLR 2021 Challenge: Datasets, Rules and Baselines","first_author":"Binling Wang","url":null},"license":null,"modalities":[{"name":"Speech","url":"/datasets/modality/speech"}],"tasks":[{"name":"Speech Recognition","url":"/task/speech-recognition","datasets_with_task":"/datasets/task/speech-recognition"}],"languages":[],"variants":["OLR 2021"],"data_loaders":[],"num_papers_in_archive":5,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":0,"samples_harvested":0,"samples_ran":0,"samples_unverified":0,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":0,"note":"the per-paper counts above, summed; not a rate"},"papers_note":"The archive never published its papers-using-dataset list; these are papers with a leaderboard row on this dataset's benchmarks."}