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Author

A. Politis

2 papers indexed here

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Preprint Sep 2026

Few-Shot Calibration for Sim-to-Real Single-Channel Speaker Distance Estimation

This work asks how few labelled real utterances are needed to make a frozen, synthetic-trained estimator useful, and suggests selecting synthetic checkpoints by linear correlation with true distances rather than by absolute error.

Michael Neri, A. Politis, Tuomas Virtanen · 0 citations
Preprint Aug 2026

Neural Array-Generic Direction-of-Arrival Estimation Exploiting Array Transfer Functions

Experiments show that the proposed array-generic neural DoA estimation framework generalizes to previously unseen arrays, including mobile-phone-like configurations, without major performance degradation, while remaining competitive with conventional and learning-based baselines.

Mikko Heikkinen, A. Politis, K. Drossos et al. · 1 citation

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