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🔍 prabhat 📂 Engineering 📄 Preprint
Showing 11 results for "prabhat" in Engineering · Preprint
Engineering Preprint PDF DOI

Can We Trust Machine Learning? The Reliability of Features from Open-Source Speech Analysis Tools for Speech Modeling

Tahiya Chowdhury, Veronica Romero · 2025

Machine learning-based behavioral models rely on features extracted from audio-visual recordings. The recordings are processed using open-source tools to extract speech features for classification mod…

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Engineering Preprint PDF DOI

Gradient boundaries through confidence intervals for forced alignment estimates using model ensembles

Matthew C. Kelley · 2025

Forced alignment is a common tool to align audio with orthographic and phonetic transcriptions. Most forced alignment tools provide only point-estimates of boundaries. The present project introduces a…

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Engineering Preprint PDF DOI

Comparison of fundamental frequency estimators with subharmonic voice signals

Takeshi Ikuma, Melda Kunduk, Andrew J. McWhorter · 2025

In clinical voice signal analysis, mishandling of subharmonic voicing may cause an acoustic parameter to signal false negatives. As such, the ability of a fundamental frequency estimator to identify s…

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Engineering Preprint PDF DOI

PyTOPress: Python code for topology optimization with design-dependent pressure loads

Shivajay Saxena, Swagatam Islam Sarkar, Prabhat Kumar · 2024

Python is a low-cost and open-source substitute for the MATLAB programming language. This paper presents ``\texttt{PyTOPress}", a compact Python code meant for pedagogical purposes for topology optimi…

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Engineering Preprint PDF DOI

PPINtonus: Early Detection of Parkinson's Disease Using Deep-Learning Tonal Analysis

Varun Reddy · 2024

PPINtonus is a system for the early detection of Parkinson's Disease (PD) utilizing deep-learning tonal analysis, providing a cost-effective and accessible alternative to traditional neurological exam…

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Engineering Preprint PDF DOI

TOPress3D: 3D topology optimization with design-dependent pressure loads in MATLAB

Prabhat Kumar · 2024

This paper introduces "\texttt{TOPress3D}," a 3D topology optimization MATLAB code for structures subjected to design-dependent pressure loads. With a primary focus on pedagogical objectives, the code…

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Engineering Preprint PDF DOI

SoRoTop: a hitchhiker's guide to topology optimization MATLAB code for design-dependent pneumatic-driven soft robots

Prabhat Kumar · 2024

Demands for pneumatic-driven soft robots are constantly rising for various applications. However, they are often designed manually due to the lack of systematic methods. Moreover, design-dependent cha…

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Engineering Preprint PDF DOI

PyHexTop: a compact Python code for topology optimization using hexagonal elements

Aditi Agarwal, Anupam Saxena, Prabhat Kumar · 2023

Python serves as an open-source and cost-effective alternative to the MATLAB programming language. This paper introduces a concise topology optimization Python code, named ``\texttt{PyHexTop}," primar…

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Engineering Preprint PDF DOI

Time-Varying Quasi-Closed-Phase Analysis for Accurate Formant Tracking in Speech Signals

Dhananjaya Gowda, Sudarsana Reddy Kadiri, Brad Story, Paavo Alku · 2023

In this paper, we propose a new method for the accurate estimation and tracking of formants in speech signals using time-varying quasi-closed-phase (TVQCP) analysis. Conventional formant tracking meth…

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Engineering Preprint PDF DOI

HoneyTop90: A 90-line MATLAB code for topology optimization using honeycomb tessellation

Prabhat Kumar · 2022

This paper provides a simple, compact and efficient 90-line pedagogical MATLAB code for topology optimization using hexagonal elements (honeycomb tessellation). Hexagonal elements provide nonsingular …

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Engineering Preprint PDF DOI

Comparing acoustic analyses of speech data collected remotely

Cong Zhang, Kathleen Jepson, Georg Lohfink, Amalia Arvaniti · 2021

Face-to-face speech data collection has been next to impossible globally due to COVID-19 restrictions. To address this problem, simultaneous recordings of three repetitions of the cardinal vowels were…

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