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Distributed microphone array (DMA) is a promising next-generation platform for speech interaction, where speech enhancement (SE) is still required to improve the speech quality in noisy cases. Existing SE methods usually first gather raw…

Sound · Computer Science 2026-01-27 Chengqian Jiang , Jie Zhang , Haoyin Yan

Deep learning-based speech enhancement (SE) models have recently outperformed traditional techniques, yet their deployment on resource-constrained devices remains challenging due to high computational and memory demands. This paper…

Sound · Computer Science 2025-02-10 Xihao Yuan , Siqi Liu , Hanting Chen , Lu Zhou , Jian Li , Jie Hu

Pattern recognition from audio signals is an active research topic encompassing audio tagging, acoustic scene classification, music classification, and other areas. Spectrogram and mel-frequency cepstral coefficients (MFCC) are among the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-18 Md. Istiaq Ansari , Taufiq Hasan

Most deep learning-based models for speech enhancement have mainly focused on estimating the magnitude of spectrogram while reusing the phase from noisy speech for reconstruction. This is due to the difficulty of estimating the phase of…

Sound · Computer Science 2019-04-03 Hyeong-Seok Choi , Jang-Hyun Kim , Jaesung Huh , Adrian Kim , Jung-Woo Ha , Kyogu Lee

Most of the deep learning based speech enhancement (SE) methods rely on estimating the magnitude spectrum of the clean speech signal from the observed noisy speech signal, either by magnitude spectral masking or regression. These methods…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-28 Raktim Gautam Goswami , Sivaganesh Andhavarapu , K Sri Rama Murty

FullSubNet is our recently proposed real-time single-channel speech enhancement network that achieves outstanding performance on the Deep Noise Suppression (DNS) Challenge dataset. A number of variants of FullSubNet have been proposed, but…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-08 Xiang Hao , Xiaofei Li

Deploying speech enhancement (SE) systems in wearable devices, such as smart glasses, is challenging due to the limited computational resources on the device. Although deep learning methods have achieved high-quality results, their…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-21 Heitor R. Guimarães , Ke Tan , Juan Azcarreta , Jesus Alvarez , Prabhav Agrawal , Ashutosh Pandey , Buye Xu

Conventional deep neural network (DNN)-based speech enhancement (SE) approaches aim to minimize the mean square error (MSE) between enhanced speech and clean reference. The MSE-optimized model may not directly improve the performance of an…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-13 Yih-Liang Shen , Chao-Yuan Huang , Syu-Siang Wang , Yu Tsao , Hsin-Min Wang , Tai-Shih Chi

Deep learning algorithm are increasingly used for speech enhancement (SE). In supervised methods, global and local information is required for accurate spectral mapping. A key restriction is often poor capture of key contextual information.…

Sound · Computer Science 2022-10-28 Jianqiao Cui , Stefan Bleeck

Convolutional Neural Networks are widely used in various machine learning domains. In image processing, the features can be obtained by applying 2D convolution to all spatial dimensions of the input. However, in the audio case, frequency…

Sound · Computer Science 2021-03-26 Simyung Chang , Hyoungwoo Park , Janghoon Cho , Hyunsin Park , Sungrack Yun , Kyuwoong Hwang

Speech-related applications deliver inferior performance in complex noise environments. Therefore, this study primarily addresses this problem by introducing speech-enhancement (SE) systems based on deep neural networks (DNNs) applied to a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-26 Syu-Siang Wang , Yu-You Liang , Jeih-weih Hung , Yu Tsao , Hsin-Min Wang , Shih-Hau Fang

Speech enhancement (SE) is crucial for reliable communication devices or robust speech recognition systems. Although conventional artificial neural networks (ANN) have demonstrated remarkable performance in SE, they require significant…

Sound · Computer Science 2023-07-28 Abir Riahi , Éric Plourde

This study proposes a fully convolutional network (FCN) model for raw waveform-based speech enhancement. The proposed system performs speech enhancement in an end-to-end (i.e., waveform-in and waveform-out) manner, which dif-fers from most…

Machine Learning · Statistics 2017-06-16 Szu-Wei Fu , Yu Tsao , Xugang Lu , Hisashi Kawai

Previous speech enhancement methods focus on estimating the short-time spectrum of speech signals due to its short-term stability. However, these methods often only estimate the clean magnitude spectrum and reuse the noisy phase when…

Sound · Computer Science 2019-10-23 Chuang Geng , Lei Wang

Transformer-based speech enhancement models yield impressive results. However, their heterogeneous and complex structure restricts model compression potential, resulting in greater complexity and reduced hardware efficiency. Additionally,…

Hardware Architecture · Computer Science 2025-03-28 Ci-Hao Wu , Tian-Sheuan Chang

A mixed sample data augmentation strategy is proposed to enhance the performance of models on audio scene classification, sound event classification, and speech enhancement tasks. While there have been several augmentation methods shown to…

Sound · Computer Science 2021-08-09 Gwantae Kim , David K. Han , Hanseok Ko

In this paper, we propose a learned scalable/progressive image compression scheme based on deep neural networks (DNN), named Bidirectional Context Disentanglement Network (BCD-Net). For learning hierarchical representations, we first adopt…

Multimedia · Computer Science 2019-04-23 Zhizheng Zhang , Zhibo Chen , Jianxin Lin , Weiping Li

With fewer feature dimensions, filter banks are often used in light-weight full-band speech enhancement models. In order to further enhance the coarse speech in the sub-band domain, it is necessary to apply a post-filtering for harmonic…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-02 Xiaohuai Le , Tong Lei , Li Chen , Yiqing Guo , Chao He , Cheng Chen , Xianjun Xia , Hua Gao , Yijian Xiao , Piao Ding , Shenyi Song , Jing Lu

To address the monaural speech enhancement problem, numerous research studies have been conducted to enhance speech via operations either in time-domain on the inner-domain learned from the speech mixture or in time--frequency domain on the…

Sound · Computer Science 2022-09-27 Xucheng Wan , Kai Liu , Ziqing Du , Huan Zhou

We propose a method using a long short-term memory (LSTM) network to estimate the noise power spectral density (PSD) of single-channel audio signals represented in the short time Fourier transform (STFT) domain. An LSTM network common to…

Signal Processing · Electrical Eng. & Systems 2020-11-11 Xiaofei Li , Simon Leglaive , Laurent Girin , Radu Horaud