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A novel approach for speech segmentation is proposed, based on Multilevel Hybrid (mean/min) Filters (MHF) with the following features: An accurate transition location. Good performance in noisy environments (gaussian and impulsive noise).…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-04 Marcos Faundez-Zanuy , Francesc Vallverdu-Bayes

Fine-tuning speech representation models can enhance performance on specific tasks but often compromises their cross-task generalization ability. This degradation is often caused by excessive changes in the representations, making it…

Computation and Language · Computer Science 2026-04-28 Tzu-Quan Lin , Wei-Ping Huang , Hao Tang , Hung-yi Lee

Speaker verification (SV) suffers from unsatisfactory performance in far-field scenarios due to environmental noise andthe adverse impact of room reverberation. This work presents a benchmark of multichannel speech enhancement for…

Prompt tuning is a technology that tunes a small set of parameters to steer a pre-trained language model (LM) to directly generate the output for downstream tasks. Recently, prompt tuning has demonstrated its storage and computation…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-02 Kai-Wei Chang , Yu-Kai Wang , Hua Shen , Iu-thing Kang , Wei-Cheng Tseng , Shang-Wen Li , Hung-yi Lee

This work proposes an efficient method to enhance the quality of corrupted speech signals by leveraging both acoustic and visual cues. While existing diffusion-based approaches have demonstrated remarkable quality, their applicability is…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-14 Chaeyoung Jung , Suyeon Lee , Ji-Hoon Kim , Joon Son Chung

The field of speech processing has undergone a transformative shift with the advent of deep learning. The use of multiple processing layers has enabled the creation of models capable of extracting intricate features from speech data. This…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-31 Ambuj Mehrish , Navonil Majumder , Rishabh Bhardwaj , Rada Mihalcea , Soujanya Poria

AfterLearnER (After Learning Evolutionary Retrofitting) consists in applying evolutionary optimization to refine fully trained machine learning models by optimizing a set of carefully chosen parameters or hyperparameters of the model, with…

Machine Learning · Computer Science 2025-11-17 Mathurin Videau , Mariia Zameshina , Alessandro Leite , Laurent Najman , Marc Schoenauer , Olivier Teytaud

Paralinguistic speech processing is important in addressing many issues, such as sentiment and neurocognitive disorder analyses. Recently, Transformer has achieved remarkable success in the natural language processing field and has…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-01 Weidong Chen , Xiaofen Xing , Xiangmin Xu , Jianxin Pang , Lan Du

The performance of speaker verification (SV) models may drop dramatically in noisy environments. A speech enhancement (SE) module can be used as a front-end strategy. However, existing SE methods may fail to bring performance improvements…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-29 Chi-Chang Lee , Hong-Wei Chen , Chu-Song Chen , Hsin-Min Wang , Tsung-Te Liu , Yu Tsao

The paper introduces Diff-Filter, a multichannel speech enhancement approach based on the diffusion probabilistic model, for improving speaker verification performance under noisy and reverberant conditions. It also presents a new two-step…

Sound · Computer Science 2023-07-06 Sandipana Dowerah , Ajinkya Kulkarni , Romain Serizel , Denis Jouvet

Replacing hand-engineered pipelines with end-to-end deep learning systems has enabled strong results in applications like speech and object recognition. However, the causality and latency constraints of production systems put end-to-end…

Online Speech Enhancement was mainly reserved for predictive models. A key advantage of these models is that for an incoming signal frame from a stream of data, the model is called only once for enhancement. In contrast, generative Speech…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-22 Bunlong Lay , Rostislav Makarov , Simon Welker , Maris Hillemann , Timo Gerkmann

Diffusion probabilistic models have shown impressive performance for speech enhancement, but they typically require 25 to 60 function evaluations in the inference phase, resulting in heavy computational complexity. Recently, a fine-tuning…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-12 Seonggyu Lee , Sein Cheong , Sangwook Han , Jong Won Shin

Neural front-ends are an appealing alternative to traditional, fixed feature extraction pipelines for automatic speech recognition (ASR) systems since they can be directly trained to fit the acoustic model. However, their performance often…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-01 Peter Vieting , Maximilian Kannen , Benedikt Hilmes , Ralf Schlüter , Hermann Ney

This report focuses on algorithms that perform single-channel speech enhancement. The author of this report uses modulation-domain Kalman filtering algorithms for speech enhancement, i.e. noise suppression and dereverberation, in [1], [2],…

Sound · Computer Science 2018-11-02 Nikolaos Dionelis

Automatic Speech Recognition (ASR) is an integral component of modern technology, powering applications such as voice-activated assistants, transcription services, and accessibility tools. Yet ASR systems continue to struggle with the…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-20 Mohammad Reza Peyghan , Saman Soleimani Roudi , Saeedreza Zouashkiani , Sajjad Amini , Fatemeh Rajabi , Shahrokh Ghaemmaghami

With the popularity of deep neural network, speech synthesis task has achieved significant improvements based on the end-to-end encoder-decoder framework in the recent days. More and more applications relying on speech synthesis technology…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-23 Dongyang Dai , Li Chen , Yuping Wang , Mu Wang , Rui Xia , Xuchen Song , Zhiyong Wu , Yuxuan Wang

Single-channel speech enhancement is utilized in various tasks to mitigate the effect of interfering signals. Conventionally, to ensure the speech enhancement performs optimally, the speech enhancement has needed to be tuned for each task.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-11 Hiroshi Sato , Tsubasa Ochiai , Marc Delcroix , Takafumi Moriya , Takanori Ashihara , Ryo Masumura

Recently, direct modeling of raw waveforms using deep neural networks has been widely studied for a number of tasks in audio domains. In speaker verification, however, utilization of raw waveforms is in its preliminary phase, requiring…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-18 Jee-weon Jung , Hee-Soo Heo , Ju-ho Kim , Hye-jin Shim , Ha-Jin Yu

Discretized representations of speech signals are efficient alternatives to continuous features for various speech applications, including automatic speech recognition (ASR) and speech language models. However, these representations, such…

Sound · Computer Science 2026-02-05 Takanori Ashihara , Shota Horiguchi , Kohei Matsuura , Tsubasa Ochiai , Marc Delcroix
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