Modulo sampling of FRI signals

S Mulleti, YC Eldar - IEEE Access, 2024 - ieeexplore.ieee.org
An analog-to-digital converter (ADC)'s dynamic range is critical during sampling analog
signals. A modulo operation prior to sampling can be used to enhance the effective dynamic …

Sparse modeling of the early part of noisy room impulse responses with sparse bayesian learning

M Fu, JR Jensen, Y Li… - ICASSP 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
A model of a room impulse response (RIR) is useful for a wide range of applications.
Typically, the early part of a RIR is sparse, and its sparse structure allows for accurate and …

Room impulse response reconstruction based on spatio-temporal-spectral features learned from a spherical microphone array measurement

A Bastine, TD Abhayapala… - ICASSP 2023-2023 IEEE …, 2023 - ieeexplore.ieee.org
Large-scale Room Impulse Response (RIR) measurements are required to accurately
determine a room's acoustic response to different source-listener configurations. RIR …

Identifiability conditions for compressive multichannel blind deconvolution

S Mulleti, K Lee, YC Eldar - IEEE transactions on signal …, 2020 - ieeexplore.ieee.org
In applications such as multi-receiver radars and ultrasound array systems, the observed
signals are often modeled as the convolution of the transmit pulse signal and a set of sparse …

Unfolding neural networks for compressive multichannel blind deconvolution

B Tolooshams, S Mulleti, D Ba… - ICASSP 2021-2021 …, 2021 - ieeexplore.ieee.org
We propose a learned-structured unfolding neural network for the problem of compressive
sparse multichannel blind-deconvolution. In this problem, each channel's measurements are …

High-dynamic range ADC for finite-rate-of-innovation signals

S Mulleti, YC Eldar - ICASSP 2023-2023 IEEE International …, 2023 - ieeexplore.ieee.org
Modulo folding can be used to sample high-dynamic range signals without increasing the
dynamic range of the sampler. Specifically, folding is used prior to sampling and then the …

[PDF][PDF] Detecting Media Sound Presence in Acoustic Scenes.

C Papayiannis, J Amoh, V Rozgic, S Sundaram… - …, 2018 - isca-archive.org
Using speech to interact with electronic devices and access services is becoming
increasingly common. Using such applications in our households poses new challenges for …

Data augmentation of room classifiers using generative adversarial networks

C Papayiannis, C Evers, PA Naylor - arXiv preprint arXiv:1901.03257, 2019 - arxiv.org
The classification of acoustic environments allows for machines to better understand the
auditory world around them. The use of deep learning in order to teach machines to …

[PDF][PDF] Efficient parametric modeling, identification and equalization of room acoustics

G Vairetti - 2018 - lirias.kuleuven.be
Here I am, finally writing what feels like the final chapter of a very long story, and I am not
only referring to the length of this manuscript, but to the journey that had led to it. It all started …

Sub-NYQUIST Multichannel Blind Deconvolution

S Mulleti, K Lee, YC Eldar - ICASSP 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
We consider a continuous-time sparse multichannel blind deconvolution problem. The
signal at each channel is expressed as the convolution of a common source signal and its …