activity
20172025
most citedMulti-encoder multi-resolution framework for end-to-end speech recognition

15 citations · 25 across the 14 of their papers we have counts for

collaborators

15 papers

eess.AS2025

Bayesian Learning for Domain-Invariant Speaker Verification and Anti-Spoofing

Jin Li, Man-Wai Mak, Johan Rohdin +2

The performance of automatic speaker verification (ASV) and anti-spoofing drops seriously under real-world domain mismatch conditions. The relaxed instance frequency-wise normaliza…

eess.AS2023

Self-supervised Learning with Speech Modulation Dropout

Samik Sadhu, Hynek Hermansky

We show that training a multi-headed self-attention-based deep network to predict deleted, information-dense 2-8 Hz speech modulations over a 1.5-second section of a speech utteran…

cs.LG2023★ 1 cited

Stabilized training of joint energy-based models and their practical applications

Martin Sustek, Samik Sadhu, Lukas Burget +4

The recently proposed Joint Energy-based Model (JEM) interprets discriminatively trained classifier as an energy model, which is also trained as a generative model describ…

eess.AS2022

Blind Signal Dereverberation for Machine Speech Recognition

Samik Sadhu, Hynek Hermansky

We present a method to remove unknown convolutive noise introduced to speech by reverberations of recording environments, utilizing some amount of training speech data from the rev…

eess.AS2022

Importance of Different Temporal Modulations of Speech: A Tale of Two Perspectives

Samik Sadhu, Hynek Hermansky

How important are different temporal speech modulations for speech recognition? We answer this question from two complementary perspectives. Firstly, we quantify the amount of phon…

cs.SD2022

Complex Frequency Domain Linear Prediction: A Tool to Compute Modulation Spectrum of Speech

Samik Sadhu, Hynek Hermansky

Conventional Frequency Domain Linear Prediction (FDLP) technique models the squared Hilbert envelope of speech with varied degrees of approximation which can be sampled at the requ…

eess.AS2021

Radically Old Way of Computing Spectra: Applications in End-to-End ASR

Samik Sadhu, Hynek Hermansky

We propose a technique to compute spectrograms using Frequency Domain Linear Prediction (FDLP) that uses all-pole models to fit the squared Hilbert envelope of speech in different…

cs.SD2021

Two-Stage Augmentation and Adaptive CTC Fusion for Improved Robustness of Multi-Stream End-to-End ASR

Ruizhi Li, Gregory Sell, Hynek Hermansky

Performance degradation of an Automatic Speech Recognition (ASR) system is commonly observed when the test acoustic condition is different from training. Hence, it is essential to…

cs.CL2019

A practical two-stage training strategy for multi-stream end-to-end speech recognition

Ruizhi Li, Gregory Sell, Xiaofei Wang +2

The multi-stream paradigm of audio processing, in which several sources are simultaneously considered, has been an active research area for information fusion. Our previous study o…

eess.AS2019★ 3 cited

Multi-Stream End-to-End Speech Recognition

Ruizhi Li, Xiaofei Wang, Sri Harish Mallidi +3

Attention-based methods and Connectionist Temporal Classification (CTC) network have been promising research directions for end-to-end (E2E) Automatic Speech Recognition (ASR). The…

cs.CL2019

Performance Monitoring for End-to-End Speech Recognition

Ruizhi Li, Gregory Sell, Hynek Hermansky

Measuring performance of an automatic speech recognition (ASR) system without ground-truth could be beneficial in many scenarios, especially with data from unseen domains, where pe…

cs.CL2019★ 1 cited

Exploring Methods for the Automatic Detection of Errors in Manual Transcription

Xiaofei Wang, Jinyi Yang, Ruizhi Li +2

Quality of data plays an important role in most deep learning tasks. In the speech community, transcription of speech recording is indispensable. Since the transcription is usually…

cs.CL2018★ 15 cited

Multi-encoder multi-resolution framework for end-to-end speech recognition

Ruizhi Li, Xiaofei Wang, Sri Harish Mallidi +3

Attention-based methods and Connectionist Temporal Classification (CTC) network have been promising research directions for end-to-end Automatic Speech Recognition (ASR). The joint…

cs.CL2018★ 3 cited

Stream attention-based multi-array end-to-end speech recognition

Xiaofei Wang, Ruizhi Li, Sri Harish Mallid +3

Automatic Speech Recognition (ASR) using multiple microphone arrays has achieved great success in the far-field robustness. Taking advantage of all the information that each array…

cs.SD2017★ 2 cited

Stream Attention for far-field multi-microphone ASR

Xiaofei Wang, Yonghong Yan, Hynek Hermansky

A stream attention framework has been applied to the posterior probabilities of the deep neural network (DNN) to improve the far-field automatic speech recognition (ASR) performanc…