task_categories:automatic-speech-recognition multilinguality:multilingual source_datasets:original language:af language:en language:nr language:nso language:st language:ss language:tn language:ts language:ve language:xh language:zu license:cc-by-4.0 size_categories:100K<n<1M format:parquet modality:audio modality:text library:datasets library:dask library:polars library:mlcroissant region:us audio speech south-africa under-resourced-languages multilingual-speech asr nchlt sadilar low-resource african-languages