2 code implementations • 29 May 2023 • Alan Pedrassoli Chitayat, Florian Block, James Walker, Anders Drachen
Therefore, the proposed methodology for representing characters can increase the life-spam of machine learning models as well as contribute to a higher performance when compared to traditional techniques typically employed within the literature.
no code implementations • 6 May 2022 • Sankaran Panchapagesan, Arun Narayanan, Turaj Zakizadeh Shabestary, Shuai Shao, Nathan Howard, Alex Park, James Walker, Alexander Gruenstein
Acoustic Echo Cancellation (AEC) is essential for accurate recognition of queries spoken to a smart speaker that is playing out audio.
no code implementations • 26 Apr 2022 • Arun Narayanan, James Walker, Sankaran Panchapagesan, Nathan Howard, Yuma Koizumi
Using neural network based acoustic frontends for improving robustness of streaming automatic speech recognition (ASR) systems is challenging because of the causality constraints and the resulting distortion that the frontend processing introduces in speech.
no code implementations • 18 Nov 2021 • Tom O'Malley, Arun Narayanan, Quan Wang, Alex Park, James Walker, Nathan Howard
Compared to the noisy baseline, the joint model reduces the word error rate in low signal-to-noise ratio conditions by at least 71% on our echo cancellation dataset, 10% on our noisy dataset, and 26% on our multi-speaker dataset.