activity
20242026
collaborators

10 papers

cs.SD2026

Cloud-Boosted Low-Compute Multi-Channel Speech Enhancement

Xulin Fan, Juan Azcarreta, Ashutosh Pandey +5

Low-latency, low-compute speech enhancement is essential for wearable devices with real-time communication requirements, but strict computational constraints significantly limit on…

cs.SD2026

Mind the Microphone Gap: Benchmarking Array Upsampling Strategies for Latent Acoustic Mapping

Philipp Schmidt, Huw Cheston, Juan Azcarreta +3

Latent Acoustic Mapping (LAM) is a self-supervised learning method that generates high-resolution spherical acoustic maps from multichannel recordings without labelled data, matchi…

eess.AS2026

Spatial-Magnifier: Spatial upsampling for multichannel speech enhancement

Dongheon Lee, Ashutosh Pandey, Sanjeel Parekh +4

While the spatial directivity of multichannel speech enhancement algorithms improves with the number of microphones, fitting large capture arrays into real-world edge devices is ty…

eess.AS2026

Unified Diffusion Refinement for Multi-Channel Speech Enhancement and Separation

Zhongweiyang Xu, Ashutosh Pandey, Juan Azcarreta +4

We propose Uni-ArrayDPS, a novel diffusion-based refinement framework for unified multi-channel speech enhancement and separation. Existing methods for multi-channel speech enhance…

eess.AS2026

ArrayDPS-Refine: Generative Refinement of Discriminative Multi-Channel Speech Enhancement

Zhongweiyang Xu, Ashutosh Pandey, Juan Azcarreta +3

Multi-channel speech enhancement aims to recover clean speech from noisy multi-channel recordings. Most deep learning methods employ discriminative training, which can lead to non-…

eess.AS2025

Improving Resource-Efficient Speech Enhancement via Neural Differentiable DSP Vocoder Refinement

Heitor R. Guimarães, Ke Tan, Juan Azcarreta +4

Deploying speech enhancement (SE) systems in wearable devices, such as smart glasses, is challenging due to the limited computational resources on the device. Although deep learnin…