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We address the challenge of sample efficiency in differentially private fine-tuning of large language models (LLMs) using DP-SGD. While DP-SGD provides strong privacy guarantees, the added noise significantly increases the entropy of…

Machine Learning · Computer Science 2026-01-12 Ali Dadsetan , Frank Rudzicz

Supervised speech enhancement relies on parallel databases of degraded speech signals and their clean reference signals during training. This setting prohibits the use of real-world degraded speech data that may better represent the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-22 Yangyang Xia , Buye Xu , Anurag Kumar

In this paper, we investigate a deep learning approach for speech denoising through an efficient ensemble of specialist neural networks. By splitting up the speech denoising task into non-overlapping subproblems and introducing a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-11 Aswin Sivaraman , Minje Kim

Supervised learning for single-channel speech enhancement requires carefully labeled training examples where the noisy mixture is input into the network and the network is trained to produce an output close to the ideal target. To relax the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-19 Yu-Che Wang , Shrikant Venkataramani , Paris Smaragdis

Large language model (LLM) based zero-shot text-to-speech (TTS) methods tend to preserve the acoustic environment of the audio prompt, leading to degradation in synthesized speech quality when the audio prompt contains noise. In this paper,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-23 Ye-Xin Lu , Hui-Peng Du , Fei Liu , Yang Ai , Zhen-Hua Ling

Objective: Lung auscultation is a valuable tool in diagnosing and monitoring various respiratory diseases. However, lung sounds (LS) are significantly affected by numerous sources of contamination, especially when recorded in real-world…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-21 Samiul Based Shuvo , Syed Samiul Alam , Taufiq Hasan

Eliminating the negative effect of non-stationary environmental noise is a long-standing research topic for automatic speech recognition that stills remains an important challenge. Data-driven supervised approaches, including ones based on…

Although discrete speech tokens have exhibited strong potential for language model-based speech generation, their high bitrates and redundant timbre information restrict the development of such models. In this work, we propose LSCodec, a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-22 Yiwei Guo , Zhihan Li , Chenpeng Du , Hankun Wang , Xie Chen , Kai Yu

We propose a spatial diffuseness feature for deep neural network (DNN)-based automatic speech recognition to improve recognition accuracy in reverberant and noisy environments. The feature is computed in real-time from multiple microphone…

Computation and Language · Computer Science 2015-09-02 Andreas Schwarz , Christian Huemmer , Roland Maas , Walter Kellermann

Integrating front-end speech enhancement (SE) models with self-supervised learning (SSL)-based speech models is effective for downstream tasks in noisy conditions. SE models are commonly fine-tuned using SSL representations with mean…

Computation and Language · Computer Science 2026-01-30 Amit Meghanani , Thomas Hain

Self-supervised learning (SSL) is a powerful technique for learning representations from unlabeled data. Transformer based models such as HuBERT, which consist a feature extractor and transformer layers, are leading the field in the speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-23 Zih-Ching Chen , Yu-Shun Sung , Hung-yi Lee

Spoken language models (SLMs) typically discretize speech into high-frame-rate tokens extracted from SSL speech models. As the most successful LMs are based on the Transformer architecture, processing these long token streams with…

Computation and Language · Computer Science 2026-02-05 Nicholas Lee , Cheol Jun Cho , Alan W Black , Gopala K. Anumanchipalli

Self-supervised learning (SSL) has recently shown remarkable results in closing the gap between supervised and unsupervised learning. The idea is to learn robust features that are invariant to distortions of the input data. Despite its…

Sound · Computer Science 2023-03-08 Bac Nguyen , Stefan Uhlich , Fabien Cardinaux

Self-supervised learning (SSL) has attracted increased attention for learning meaningful speech representations. Speech SSL models, such as WavLM, employ masked prediction training to encode general-purpose representations. In contrast,…

Computation and Language · Computer Science 2024-02-01 Takanori Ashihara , Marc Delcroix , Takafumi Moriya , Kohei Matsuura , Taichi Asami , Yusuke Ijima

This paper presents a novel zero-shot learning approach towards personalized speech enhancement through the use of a sparsely active ensemble model. Optimizing speech denoising systems towards a particular test-time speaker can improve…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-11 Aswin Sivaraman , Minje Kim

We study the problem of training named entity recognition (NER) models using only distantly-labeled data, which can be automatically obtained by matching entity mentions in the raw text with entity types in a knowledge base. The biggest…

Computation and Language · Computer Science 2021-09-13 Yu Meng , Yunyi Zhang , Jiaxin Huang , Xuan Wang , Yu Zhang , Heng Ji , Jiawei Han

Self-supervised learning (SSL) has allowed substantial progress in Automatic Speech Recognition (ASR) performance in low-resource settings. In this context, it has been demonstrated that larger self-supervised feature extractors are crucial…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Salah Zaiem , Robin Algayres , Titouan Parcollet , Slim Essid , Mirco Ravanelli

Recent progress in singing voice separation has primarily focused on supervised deep learning methods. However, the scarcity of ground-truth data with clean musical sources has been a problem for long. Given a limited set of labeled data,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-17 Zhepei Wang , Ritwik Giri , Umut Isik , Jean-Marc Valin , Arvindh Krishnaswamy

Rapid growth in speech data demands adaptive models, as traditional static methods fail to keep pace with dynamic and diverse speech information. We introduce continuous speech learning, a new set-up targeting at bridging the adaptation gap…

Computation and Language · Computer Science 2025-06-04 Guitao Wang , Jinming Zhao , Hao Yang , Guilin Qi , Tongtong Wu , Gholamreza Haffari

Distantly-labeled data can be used to scale up training of statistical models, but it is typically noisy and that noise can vary with the distant labeling technique. In this work, we propose a two-stage procedure for handling this type of…

Computation and Language · Computer Science 2019-05-07 Yasumasa Onoe , Greg Durrett