activity
20192024
most citedTime-Varying Quasi-Closed-Phase Analysis for Accurate Formant Tracking in Speech Signals

12 citations · 49 across the 17 of their papers we have counts for

collaborators

17 papers

cs.LG2024

Physics Informed Distillation for Diffusion Models

Joshua Tian Jin Tee, Kang Zhang, Hee Suk Yoon +3

Diffusion models have recently emerged as a potent tool in generative modeling. However, their inherent iterative nature often results in sluggish image generation due to the requi…

cs.CL2024

Data-driven grapheme-to-phoneme representations for a lexicon-free text-to-speech

Abhinav Garg, Jiyeon Kim, Sushil Khyalia +2

Grapheme-to-Phoneme (G2P) is an essential first step in any modern, high-quality Text-to-Speech (TTS) system. Most of the current G2P systems rely on carefully hand-crafted lexicon…

cs.SD2023

On the compression of shallow non-causal ASR models using knowledge distillation and tied-and-reduced decoder for low-latency on-device speech recognition

Nagaraj Adiga, Jinhwan Park, Chintigari Shiva Kumar +4

Recently, the cascaded two-pass architecture has emerged as a strong contender for on-device automatic speech recognition (ASR). A cascade of causal and shallow non-causal encoders…

eess.AS2023★ 12 cited

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

Dhananjaya Gowda, Sudarsana Reddy Kadiri, Brad Story +1

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 f…

eess.AS2023★ 9 cited

Refining a Deep Learning-based Formant Tracker using Linear Prediction Methods

Paavo Alku, Sudarsana Reddy Kadiri, Dhananjaya Gowda

In this study, formant tracking is investigated by refining the formants tracked by an existing data-driven tracker, DeepFormants, using the formants estimated in a model-driven ma…

cs.CL2023

Mitigating the Exposure Bias in Sentence-Level Grapheme-to-Phoneme (G2P) Transduction

Eunseop Yoon, Hee Suk Yoon, Dhananjaya Gowda +7

Text-to-Text Transfer Transformer (T5) has recently been considered for the Grapheme-to-Phoneme (G2P) transduction. As a follow-up, a tokenizer-free byte-level model based on T5 re…

cs.SD2022★ 5 cited

Multi-stage Progressive Compression of Conformer Transducer for On-device Speech Recognition

Jash Rathod, Nauman Dawalatabad, Shatrughan Singh +1

The smaller memory bandwidth in smart devices prompts development of smaller Automatic Speech Recognition (ASR) models. To obtain a smaller model, one can employ the model compress…

eess.AS2022

Two-Pass End-to-End ASR Model Compression

Nauman Dawalatabad, Tushar Vatsal, Ashutosh Gupta +4

Speech recognition on smart devices is challenging owing to the small memory footprint. Hence small size ASR models are desirable. With the use of popular transducer-based models,…

eess.AS2022★ 7 cited

Formant Tracking Using Quasi-Closed Phase Forward-Backward Linear Prediction Analysis and Deep Neural Networks

Dhananjaya Gowda, Bajibabu Bollepalli, Sudarsana Reddy Kadiri +1

Formant tracking is investigated in this study by using trackers based on dynamic programming (DP) and deep neural nets (DNNs). Using the DP approach, six formant estimation method…

eess.AS2021★ 2 cited

Semi-supervised transfer learning for language expansion of end-to-end speech recognition models to low-resource languages

Jiyeon Kim, Mehul Kumar, Dhananjaya Gowda +2

In this paper, we propose a three-stage training methodology to improve the speech recognition accuracy of low-resource languages. We explore and propose an effective combination o…

eess.AS2021

A comparison of streaming models and data augmentation methods for robust speech recognition

Jiyeon Kim, Mehul Kumar, Dhananjaya Gowda +2

In this paper, we present a comparative study on the robustness of two different online streaming speech recognition models: Monotonic Chunkwise Attention (MoChA) and Recurrent Neu…

cs.SD2021

Streaming end-to-end speech recognition with jointly trained neural feature enhancement

Chanwoo Kim, Abhinav Garg, Dhananjaya Gowda +2

In this paper, we present a streaming end-to-end speech recognition model based on Monotonic Chunkwise Attention (MoCha) jointly trained with enhancement layers. Even though the Mo…

cs.LG2020★ 2 cited

A review of on-device fully neural end-to-end automatic speech recognition algorithms

Chanwoo Kim, Dhananjaya Gowda, Dongsoo Lee +5

In this paper, we review various end-to-end automatic speech recognition algorithms and their optimization techniques for on-device applications. Conventional speech recognition sy…

eess.AS2020

Attention based on-device streaming speech recognition with large speech corpus

Kwangyoun Kim, Kyungmin Lee, Dhananjaya Gowda +10

In this paper, we present a new on-device automatic speech recognition (ASR) system based on monotonic chunk-wise attention (MoChA) models trained with large (> 10K hours) corpus.…

eess.AS2019★ 1 cited

Improved Multi-Stage Training of Online Attention-based Encoder-Decoder Models

Abhinav Garg, Dhananjaya Gowda, Ankur Kumar +3

In this paper, we propose a refined multi-stage multi-task training strategy to improve the performance of online attention-based encoder-decoder (AED) models. A three-stage traini…

eess.AS2019★ 2 cited

power-law nonlinearity with maximally uniform distribution criterion for improved neural network training in automatic speech recognition

Chanwoo Kim, Mehul Kumar, Kwangyoun Kim +1

In this paper, we describe the Maximum Uniformity of Distribution (MUD) algorithm with the power-law nonlinearity. In this approach, we hypothesize that neural network training wil…

eess.AS2019★ 9 cited

end-to-end training of a large vocabulary end-to-end speech recognition system

Chanwoo Kim, Sungsoo Kim, Kwangyoun Kim +10

In this paper, we present an end-to-end training framework for building state-of-the-art end-to-end speech recognition systems. Our training system utilizes a cluster of Central Pr…