CVSS-X: A Multilingual Speech-to-Speech Translation Corpus for 28 Languages
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Computer Science > Computation and Language
Title:CVSS-X: A Multilingual Speech-to-Speech Translation Corpus for 28 Languages
Abstract:We introduce CVSS-X, a large-scale synthetic speech-to-speech translation corpus that extends CVSS by reversing the translation direction. While CVSS translates from 21 languages into English, CVSS-X enables translation from English into 28 target languages spanning 12 language families. The corpus comprises approximately 240,000 parallel speech pairs per language, totaling over 16,000 hours, eight times larger than CVSS. We provide two variants: CVSS-X-C with two canonical voices per language, and CVSS-X-T with cross-lingual voice cloning, both fully generated. Evaluation shows comparable translation quality to CVSS with consistent performance across typologically diverse languages. Combined with CVSS, this enables research on bidirectional and multilingual speech-to-speech translation. The code is available at this https URL and the dataset under CC-BY-NC 4.0 license at this https URL.
| Subjects: | Computation and Language (cs.CL); Sound (cs.SD); Audio and Speech Processing (eess.AS) |
| Cite as: | arXiv:2609.13413 [cs.CL] |
| (or arXiv:2609.13413v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2609.13413
arXiv-issued DOI via DataCite (pending registration)
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