Representation Learning

Omnilingual SONAR: Cross-Lingual and Cross-Modal Sentence Embeddings Bridging Massively Multilingual Text and Speech

We introduce OmniSONAR, a family of omnilingual cross-lingual and cross-modal sentence embedding models spanning 4,000+ language varieties and natively supporting text, speech, …

The Omnilingual SONAR Team
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Improving Language and Modality Transfer in Translation by Character-level Modeling

We propose a character-based translation model to improve adaptability to new languages and modalities, particularly for low-resource scenarios. Our method achieves …

Ioannis Tsiamas
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Sequential Contrastive Audio-Visual Learning

We introduce Sequential Contrastive Audio-Visual Learning (SCAV), a novel method that contrasts non-aggregated sequential representations to learn fine-grained audio-visual …

Ioannis Tsiamas
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Pushing the Limits of Zero-shot End-to-End Speech Translation

We introduce ZeroSwot, a zero-shot speech translation method that aligns a speech encoder with a multilingual MT model using only ASR data, achieving state-of-the-art results …

Ioannis Tsiamas
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