CoVoST 2 (CoVoST2) is a large-scale multilingual speech-to-text translation corpus derived from Mozilla Common Voice. It provides sentence-level parallel speech and translation pairs covering translations from 21 languages into English and from English into 15 languages. The corpus contains roughly 2.9K hours of speech (several thousand hours / tens of thousands of speakers) and is intended for speech-translation, ASR and multilingual speech research. The dataset is distributed via the Hugging Face datasets hub (facebook/covost2) and was introduced in the paper “CoVoST 2 and Massively Multilingual Speech-to-Text Translation” (Wang et al.).
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