Author

G. Richard

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Preprint Sep 2026

Multi-Rate Bandwidth Extension by Token Completion in Neural Audio Codecs

Bandwidth extension, the task of reconstructing the high-frequency components of an audio signal from its low-passed counterpart, is a long-standing problem in audio processing. In this work, we extend recent advances in neural architectures by framing bandwidth extension as an audio token prediction problem. Specifica...

Benoît Giniès, Olivier Fercoq, G. Richard · 0 citations

#natural language process... Preprint Sep 2026

SonicCaps: Large-Scale Diverse and Fine-Grained Captioning for Improved Audio-Retrieval

SonicCaps is introduced, a large-scale audio captioning dataset comprising ~15M captions paired with ~700k audio clips, generated using a multi-modal large language model (Qwen3-Omni) conditioned on both audio and text and training CLAP models on SonicCaps with a multi-caption sampling strategy consistently improves au...

Zineb Lahrichi, Marc Ferras, G. Richard et al. · 0 citations