activity
20222025
most citedImproving the Robustness of DistilHuBERT to Unseen Noisy Conditions via Data Augmentation, Curriculum Learning, and Multi-Task Enhancement

3 citations · 4 across the 8 of their papers we have counts for

collaborators

8 papers

eess.AS2025

AUDDT: A Unified Benchmark Toolkit for Audio and Speech Deepfake Detectors

Yi Zhu, Heitor R. Guimarães, Arthur Pimentel +1

With the prevalence of artificial intelligence (AI)-generated content, such as audio deepfakes, a large body of recent work has focused on developing deepfake detection techniques.…

eess.AS2024

An Efficient End-to-End Approach to Noise Invariant Speech Features via Multi-Task Learning

Heitor R. Guimarães, Arthur Pimentel, Anderson R. Avila +3

Self-supervised speech representation learning enables the extraction of meaningful features from raw waveforms. These features can then be efficiently used across multiple downstr…

eess.AS2023

On the Impact of Quantization and Pruning of Self-Supervised Speech Models for Downstream Speech Recognition Tasks "In-the-Wild''

Arthur Pimentel, Heitor Guimarães, Anderson R. Avila +2

Recent advances with self-supervised learning have allowed speech recognition systems to achieve state-of-the-art (SOTA) word error rates (WER) while requiring only a fraction of t…

eess.AS2023

VIC-KD: Variance-Invariance-Covariance Knowledge Distillation to Make Keyword Spotting More Robust Against Adversarial Attacks

Heitor R. Guimarães, Arthur Pimentel, Anderson Avila +1

Keyword spotting (KWS) refers to the task of identifying a set of predefined words in audio streams. With the advances seen recently with deep neural networks, it has become a popu…

eess.AS2023★ 1 cited

On the Transferability of Whisper-based Representations for "In-the-Wild" Cross-Task Downstream Speech Applications

Vamsikrishna Chemudupati, Marzieh Tahaei, Heitor Guimaraes +5

Large self-supervised pre-trained speech models have achieved remarkable success across various speech-processing tasks. The self-supervised training of these models leads to unive…

eess.AS2023

An Exploration into the Performance of Unsupervised Cross-Task Speech Representations for "In the Wild'' Edge Applications

Heitor Guimarães, Arthur Pimentel, Anderson Avila +2

Unsupervised speech models are becoming ubiquitous in the speech and machine learning communities. Upstream models are responsible for learning meaningful representations from raw…

eess.AS2023

RobustDistiller: Compressing Universal Speech Representations for Enhanced Environment Robustness

Heitor R. Guimarães, Arthur Pimentel, Anderson R. Avila +3

Self-supervised speech pre-training enables deep neural network models to capture meaningful and disentangled factors from raw waveform signals. The learned universal speech repres…

cs.SD2022★ 3 cited

Improving the Robustness of DistilHuBERT to Unseen Noisy Conditions via Data Augmentation, Curriculum Learning, and Multi-Task Enhancement

Heitor R. Guimarães, Arthur Pimentel, Anderson R. Avila +2

Self-supervised speech representation learning aims to extract meaningful factors from the speech signal that can later be used across different downstream tasks, such as speech an…