People

I am pursuing my Ph.D. under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information Technology (DA-IICT), Gandhinagar, Gujarat, India. I did my M.Tech. (Data Science) from Nirma University, Ahmedabad, Gujarat, India. I completed my B.E. (Computer Engineering) from Gujarat Technological University, Ahmedabad, Gujarat, India.

I am a highly motivated Biomedical Engineer with a strong academic background and a passion for innovation in healthcare technology. I hold an M.Tech in Biomedical Engineering from G.U.N.I, Mehsana, following my B.E. and Diploma in the same field from G.T.U. My academic journey has been complemented by hands-on experience through industrial visits to renowned healthcare facilities such as Civil Hospital, Hope Neuro Care Hospital, and Uteshiya Medicare Pvt. Ltd.

I have done a summer research project and a mini B.Tech project during my undergraduate studies under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India.

Ms. Priyanka Gupta is a Ph.D. student (since July 2017) at Dhirubhai Ambani Institute of Information and Communication Technology (DA-IICT, Gandhinagar). She completed M. Tech. from Laxmi Niwas Mittal Institute of Information and Technology (LNMIIT, Jaipur) in 2017. Her research interest is in the protection of voice biometrics systems from spoofing attacks (specifically replay attacks and liveness detection), using signal processing based approaches in tandem with deep learning.

Mr. Ankur Patil was a Ph.D. student at DA-IICT , Gandhinagar .  he Completed his phd in Handcrafted Features for Anti-Spoofing under the supervision of  Prof. Hemant A. Patil. His research interest in  the DeepFake Detection using Audio. Google Scholar 

Ms. Madhu Kamble was a Ph.D. student at DA-IICT, Gandhinagar.  She did her M. Tech. from Cummins College of Engineering, Pune, Maharashtra in the year 2015 in Signal Processing engineering and B.Tech from P.V.P.I.T, Budhgaon, Sangli, Maharashtra in the year 2012. She has been awarded Rajiv Gandhi National Fellowship (RGNF) for her doctoral studies. Her research interest is in the Analysis of Spoofing with Signal processing aspects. Google Scholar

Dr. Hardik B. Sailor was a PhD student (since January 2013) and senior research assistant at DeitY TTS sponsored consortium project at DA-IICT. He completed his M.Tech in Information and Communication Technology (ICT) from DA-IICT, Gandhinagar, in 2013. His research areas include Deep Architectures, Automatic Speech Recognition (ASR) and Text-to-Speech Synthesis (TTS). Google Scholar

Dr. Tanvina B. Patel was a PhD student and senior research assistant at DeitY TTS sponsored consortium project at DA-IICT, Gandhinagar (June 2012 to present). She completed her Masters from L.D. College Engineering, Ahmedabad. Her research interests include analysis of nonlinearities in speech signal processing, Text-to-speech synthesis (TTS) and analysis of natural and synthetic speech using prosodic features. Google Scholar

I am pursuing my M.Tech under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information Technology (DA-IIT), Gandhinagar, Gujarat, India. I completed my B.E. (Electronics and communication) from Vishwakarma Government Engineering College, Chandkheda, Ahmedabad, Gujarat, India.

My research interest focuses on the development of countermeasure systems against various spoofing attacks on Automatic Speaker Verification (ASV) systems, using speech signal processing and deep learning aspects.

I am pursuing my M.Tech under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information Technology (DA-IIT), Gandhinagar, Gujarat, India. I completed my B.E. (Electronics and communication) from Vishwakarma Government Engineering College, Chandkheda, Ahmedabad, Gujarat, India.

My research interest focuses on the development of countermeasure systems against various spoofing attacks on Automatic Speaker Verification (ASV) systems, using speech signal processing and deep learning aspects.

I am pursuing my M.Tech under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information Technology (DA-IICT), Gandhinagar, Gujarat, India. I completed my B.Tech (Electronics and communication) from Dharmsinh Desai University Nadiad, Gujarat, India.

Currently working on designing countermeasure systems for spoof detection for Voice Assistants and Automatic Verification systems using deep learning and speech signal processing methodologies.

I am pursuing my M.Tech under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information Technology (DA-IICT), Gandhinagar, Gujarat, India. I completed my B.E. (Electronics and communication) from LD College of Engineering, Ahmedabad, Gujarat, India.

My research interest focuses on Infant cry analysis for Healthy vs. Pathological cries, using speech signal processing and deep learning aspects.

I am pursuing my M.Tech under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information Technology (DA-IICT), Gandhinagar, Gujarat, India. I completed my B.Tech (Electronics and communication) from Vishwakarma Government Engineering College, GTU.

Currently working on Automatic Speech Recognition technology using Self-Supervised Learning techniques.  As well as Language Modeling and Acoustic Modeling.

I have graduated with my M.Tech. under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India. I completed my B.E. in Electrical Engineering from Ujjain Engineering College, Ujjain, M.P., India.

My research area focuses on the development of a countermeasure system against Spoof Speech Detection for Voice Assistance and Automatic Speaker Verification (ASV) systems, Classification of Whisper vs. Normal Speech, Voice Liveness Detection systems for improvement of accuracy and reliability of ASV systems.

I have graduated with my M.Tech. under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India. I completed my B.E. in Electronics and Communication Engineering from Shri Vaishnav Institute of Technology and Science, Indore, Madhya Pradesh, India.

My research area focuses on studying and developing the phase-based features for Voice Liveness Detection. The feature sets are developed using the group delay function which represents the phase variation in the speech signal. In addition, I also have worked on designing a Voice Privacy system using the Linear Prediction method.

I have graduated with my M.Tech. under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India. I completed my B.Tech. in Power System Engineering from University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India.

My research area focuses on the classification of impaired speech, specifically Dysarthria, into several Severity-levels using Deep Learning techniques. In addition, I have also worked on Voice Liveness Detection systems for the improvement of accuracy and reliability of Automatic Speaker Verification (ASV) systems.

I have graduated with my M.Tech. under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India. I completed my B.E. in Electronics Engineering from BVM Engineering College, Vallabh Vidhyanagar, Gujarat, India.

My research area focuses on designing a voice privacy system which anonymizes the speaker specific information residing in the spoken utterance without affecting it’s naturalness and intelligibility. In addition, I also have worked on Replay Spoof detection for voice assistants.

I have graduated with my M.Tech. under the supervision of Prof. Hemant A. Patil and Dr. Hardik B. Sailor from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India. I completed my B.E. in Electrical and Electronics Engineering from Lakshmi Narain College of Technology, Indore, Madhya Pradesh, India.

My research area focuses on improving the performance of children’s ASR using various speech processing techniques and deep learning architectures. In addition, I also worked to improve the performance of the far-field and short-duration speaker verification system by developing the feature cues that are more robust to noise and capture the global information of the speech.

Ms. Mirali Purohit was a master student at Speech Research Lab, DA-IICT from January 2019 to July 2020. Her research work is to solve Speech Pathology tasks, such as severity-based classification, binary classification, making impaired or whispered speech more intelligible, etc. using Deep Learning (DL)-based methods. Google Scholar

I have done a summer research project and a mini B.Tech project during my undergraduate studies under the supervision of Prof. Hemant A. Patil from Dhirubhai Ambani Institute of Information and Communication Technology, Gandhinagar, Gujarat, India. My research area focuses on applying the ‘Attention’ architecture, which has mainly been useful for Natural Language Processing, to different types of speech data and analyzing its performance.