Author

Sajid Fardin Dipto

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Preprint Oct 2026

SwinDS-BWE: A Parameter-Efficient Swin-1D Lattice Generator with Decision-Science Discriminators for Speech Bandwidth Extension

We propose SwinDS-BWE, a decision-science-inspired bandwidth extension (BWE) model with two coupled contributions: (1) Swin Transformers with lattice-style cross-stream interaction yield locality-aware modeling with linear-in-sequence per-window attention cost and reduce the prior AP-BWE generator size 0.5x from 33M to...

Tarikul Islam Tamiti, Sajid Fardin Dipto, Luke Baja-Ricketts et al. · 0 citations

Preprint Sep 2026

UDSS-BWE: Uncertainty- and Decision-Science Inspired Swin BandWidth Extension

This work shows how multi disciplinary decision-science-inspired and uncertainty theories can be successfully used to design efficient discriminators for producing more nuanced audios, establishing a new baseline in the BWE task.

Tarikul Islam Tamiti, Sajid Fardin Dipto, D. Vergano et al. · 0 citations

#small language model Preprint Oct 2026

BanglaBox: A Phonetically-Balanced Corpus and Data-Efficient Foundation-Model Adaptation for Bangla Text-to-Speech with Zero-Shot Voice Cloning

This work contributes a phonetically- and gender-balanced two-tier Bangladeshi Bangla corpus balanced via a tiered Jensen-Shannon divergence objective over conjunct clusters (juktakkhor), together with three fine-tuning changes: a merge-consistent tokenizer extension, Bangla text normalization, and a prompt-masked dual...

Emtiaz Uddin Ahmed, Araf Mahmud, S. Hossain et al. · 0 citations