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Author

Ambuj Mehrish

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Preprint Sep 2026

DEFINE: Exemplar-Guided Accent Control for Zero-Shot TTS

Zero-shot text-to-speech (TTS) can reproduce an unseen speaker from a short reference recording, but typically entangles speaker identity and accent within the same reference. We introduce DEFINE, an end-to-end framework that decouples these factors by conditioning speaker identity and target accent on separate audio e...

Ambuj Mehrish, Abhinaba Roy, Alex Ivanov et al. · 0 citations
Preprint Sep 2026

Hypergraph-Regularized Gramian Volumes for Multimodal Retrieval

This work introduces Hypergraph-Regularized Gramian Volumes (HyVol), a training-time module that incorporates semantic relations prior to evaluating the original volume loss of Gram, and removes the hypergraph after training, leaving the backbone-only architecture, original scoring function, and retrieval cost unchange...

Anindya Nag, Ambuj Mehrish, Sebastiano Vascon · 0 citations

SonicMaster: Towards Controllable All-in-One Music Restoration and Mastering

This paper introduces SonicMaster, the first unified generative model for music restoration and mastering that addresses a broad spectrum of audio artifacts with text-based control and significantly improves sound quality across all artifact categories.

J. Melechovský, Ambuj Mehrish, Dorien Herremans · 11 citations · ⚡1

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