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In recent years, advancements in the field of speech processing have led to cutting-edge deep learning algorithms with immense potential for real-world applications. The automated identification of stuttered speech is one of such…

Sound · Computer Science 2023-11-10 Huma Ameer , Seemab Latif , Rabia Latif , Sana Mukhtar

While Large Language Models (LLMs) become ever more dominant, classic pre-trained word embeddings sustain their relevance through computational efficiency and nuanced linguistic interpretation. Drawing from recent studies demonstrating that…

Computation and Language · Computer Science 2023-11-21 Haoran Zhao , Jake Ryland Williams

Small footprint embedded devices require keyword spotters (KWS) with small model size and detection latency for enabling voice assistants. Such a keyword is often referred to as \textit{wake word} as it is used to wake up voice assistant…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-16 Christin Jose , Yuriy Mishchenko , Thibaud Senechal , Anish Shah , Alex Escott , Shiv Vitaladevuni

Recent advancements in neural audio codecs have not only enabled superior audio compression but also enhanced speech synthesis techniques. Researchers are now exploring their potential as universal acoustic feature extractors for a broader…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-21 Wei-Cheng Tseng , David Harwath

Spotting user-defined/flexible keywords represented in text frequently uses an expensive text encoder for joint analysis with an audio encoder in an embedding space, which can suffer from heterogeneous modality representation (i.e., large…

Sound · Computer Science 2023-08-15 Kumari Nishu , Minsik Cho , Paul Dixon , Devang Naik

Speech self-supervised models such as wav2vec 2.0 and HuBERT are making revolutionary progress in Automatic Speech Recognition (ASR). However, they have not been totally proven to produce better performance on tasks other than ASR. In this…

Computation and Language · Computer Science 2022-10-05 Yingzhi Wang , Abdelmoumene Boumadane , Abdelwahab Heba

Accurate and real-time monophonic pitch estimation in noisy conditions, particularly on resource-constrained devices, remains an open challenge in audio processing. We present \emph{SwiftF0}, a novel, lightweight neural model that sets a…

Sound · Computer Science 2025-08-27 Lars Nieradzik

Self-supervised learned models have been found to be very effective for certain speech tasks such as automatic speech recognition, speaker identification, keyword spotting and others. While the features are undeniably useful in speech…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-05 Ravi Shankar , Ke Tan , Buye Xu , Anurag Kumar

Attention-based contextual biasing approaches have shown significant improvements in the recognition of generic and/or personal rare-words in End-to-End Automatic Speech Recognition (E2E ASR) systems like neural transducers. These…

Computation and Language · Computer Science 2023-05-10 Xuandi Fu , Kanthashree Mysore Sathyendra , Ankur Gandhe , Jing Liu , Grant P. Strimel , Ross McGowan , Athanasios Mouchtaris

We propose a novel, lightweight supervised dictionary learning framework for text classification based on data compression and representation. This two-phase algorithm initially employs the Lempel-Ziv-Welch (LZW) algorithm to construct a…

Computation and Language · Computer Science 2024-05-06 Li Wan , Tansu Alpcan , Margreta Kuijper , Emanuele Viterbo

Child speech recognition is still an underdeveloped area of research due to the lack of data (especially on non-English languages) and the specific difficulties of this task. Having explored various architectures for child speech…

Sound · Computer Science 2025-03-07 Lucas Block Medin , Thomas Pellegrini , Lucile Gelin

This paper presents a lightweight network for head pose estimation (HPE) task. While previous approaches rely on convolutional neural networks, the proposed network \textit{LwPosr} uses mixture of depthwise separable convolutional (DSC) and…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Naina Dhingra

We present Qwen-Image-VAE-2.0, a suite of high-compression Variational Autoencoders (VAEs) that achieve significant advances in both reconstruction fidelity and diffusability. To address the reconstruction bottlenecks of high compression,…

Recently proposed self-supervised learning approaches have been successful for pre-training speech representation models. The utility of these learned representations has been observed empirically, but not much has been studied about the…

Computation and Language · Computer Science 2022-12-06 Ankita Pasad , Ju-Chieh Chou , Karen Livescu

Acoustic word embeddings (AWEs) are vector representations of spoken word segments. AWEs can be learned jointly with embeddings of character sequences, to generate phonetically meaningful embeddings of written words, or acoustically…

Computation and Language · Computer Science 2020-06-26 Yushi Hu , Shane Settle , Karen Livescu

Always-on spoken language interfaces, e.g. personal digital assistants, rely on a wake word to start processing spoken input. We present novel methods to train a hybrid DNN/HMM wake word detection system from partially labeled training…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-30 Yiming Wang , Hang Lv , Daniel Povey , Lei Xie , Sanjeev Khudanpur

Text-to-speech and voice conversion studies are constantly improving to the extent where they can produce synthetic speech almost indistinguishable from bona fide human speech. In this regard, the importance of countermeasures (CM) against…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-08 Jin Woo Lee , Eungbeom Kim , Junghyun Koo , Kyogu Lee

We explore self-supervised models that can be potentially deployed on mobile devices to learn general purpose audio representations. Specifically, we propose methods that exploit the temporal context in the spectrogram domain. One method…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-29 Marco Tagliasacchi , Beat Gfeller , Félix de Chaumont Quitry , Dominik Roblek

Semi-Supervised Variational Autoencoders (SSVAEs) are widely used models for data efficient learning. In this paper, we question the adequacy of the standard design of sequence SSVAEs for the task of text classification as we exhibit two…

Computation and Language · Computer Science 2021-09-28 Ghazi Felhi , Joseph Le Roux , Djamé Seddah

Recent studies have introduced methods for learning acoustic word embeddings (AWEs)---fixed-size vector representations of words which encode their acoustic features. Despite the widespread use of AWEs in speech processing research, they…

Computation and Language · Computer Science 2020-04-06 Yevgen Matusevych , Herman Kamper , Sharon Goldwater