language:en language:ru language:kk language:tt language:ar language:tr language:fr language:de language:es language:it language:ca language:fa language:pl language:nl language:rw license:cc-by-4.0 size_categories:1M<n<10M format:text modality:audio modality:text library:datasets library:mlcroissant arxiv:1804.03209 region:us speech audio keyword-spotting speech-commands multilingual low-resource dataset augmentation