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While current deep learning (DL)-based beamforming techniques have been proved effective in speech separation, they are often designed to process narrow-band (NB) frequencies independently which results in higher computational costs and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Vinay Kothapally , Yong Xu , Meng Yu , Shi-Xiong Zhang , Dong Yu

This paper deals with the problem of audio source separation. To handle the complex and ill-posed nature of the problems of audio source separation, the current state-of-the-art approaches employ deep neural networks to obtain instrumental…

Sound · Computer Science 2017-06-30 Naoya Takahashi , Yuki Mitsufuji

In this paper, we propose a new differentiable neural network alignment mechanism for text-dependent speaker verification which uses alignment models to produce a supervector representation of an utterance. Unlike previous works with…

Sound · Computer Science 2018-12-27 Victoria Mingote , Antonio Miguel , Alfonso Ortega , Eduardo Lleida

Precise control over speech characteristics, such as pitch, duration, and speech rate, remains a significant challenge in the field of voice conversion. The ability to manipulate parameters like pitch and syllable rate is an important…

Sound · Computer Science 2025-07-08 Mathilde Abrassart , Nicolas Obin , Axel Roebel

Unsupervised video object learning seeks to decompose video scenes into structural object representations without any supervision from depth, optical flow, or segmentation. We present VONet, an innovative approach that is inspired by MONet.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Haonan Yu , Wei Xu

The application of generative adversarial networks (GANs) has recently advanced speech super-resolution (SR) based on intermediate representations like mel-spectrograms. However, existing SR methods that typically rely on independently…

Sound · Computer Science 2025-01-20 Shengkui Zhao , Kun Zhou , Zexu Pan , Yukun Ma , Chong Zhang , Bin Ma

Recent neural networks such as WaveNet and sampleRNN that learn directly from speech waveform samples have achieved very high-quality synthetic speech in terms of both naturalness and speaker similarity even in multi-speaker text-to-speech…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-01 Yi Zhao , Shinji Takaki , Hieu-Thi Luong , Junichi Yamagishi , Daisuke Saito , Nobuaki Minematsu

We propose the multi-head convolutional neural network (MCNN) architecture for waveform synthesis from spectrograms. Nonlinear interpolation in MCNN is employed with transposed convolution layers in parallel heads. MCNN achieves more than…

Sound · Computer Science 2018-12-26 Sercan O. Arik , Heewoo Jun , Gregory Diamos

Deep neural networks have been applied to audio spectrograms for respiratory sound classification. Existing models often treat the spectrogram as a synthetic image while overlooking its physical characteristics. In this paper, a Multi-View…

Sound · Computer Science 2024-05-31 Wentao He , Yuchen Yan , Jianfeng Ren , Ruibin Bai , Xudong Jiang

While state-of-the-art audio-video generation models like Veo3 and Sora2 demonstrate remarkable capabilities, their closed-source nature makes their architectures and training paradigms inaccessible. To bridge this gap in accessibility and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Hebeizi Li , Zihao Liang , Benyuan Sun , Zihao Yin , Xiao Sha , Chenliang Wang , Yi Yang

Data acquired from multi-channel sensors is a highly valuable asset to interpret the environment for a variety of remote sensing applications. However, low spatial resolution is a critical limitation for previous sensors and the constituent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Savas Ozkan , Berk Kaya , Gozde Bozdagi Akar

Complex-valued processing has brought deep learning-based speech enhancement and signal extraction to a new level. Typically, the process is based on a time-frequency (TF) mask which is applied to a noisy spectrogram, while complex masks…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-02 Hendrik Schröter , Alberto N. Escalante-B. , Tobias Rosenkranz , Andreas Maier

Separating target speech from mixed signals containing flexible speaker quantities presents a challenging task. While existing methods demonstrate strong separation performance and noise robustness, they predominantly assume prior knowledge…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-18 Daning Zhang , Ying Wei

High-fidelity singing voices usually require higher sampling rate (e.g., 48kHz) to convey expression and emotion. However, higher sampling rate causes the wider frequency band and longer waveform sequences and throws challenges for singing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-04 Jiawei Chen , Xu Tan , Jian Luan , Tao Qin , Tie-Yan Liu

Generative adversarial network (GAN) models can synthesize highquality audio signals while ensuring fast sample generation. However, they are difficult to train and are prone to several issues including mode collapse and divergence. In this…

Sound · Computer Science 2024-02-06 Teysir Baoueb , Haocheng Liu , Mathieu Fontaine , Jonathan Le Roux , Gael Richard

Neural speech synthesis algorithms are a promising new approach for coding speech at very low bitrate. They have so far demonstrated quality that far exceeds traditional vocoders, at the cost of very high complexity. In this work, we…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-01 Jean-Marc Valin , Jan Skoglund

Multi-channel speech enhancement with ad-hoc sensors has been a challenging task. Speech model guided beamforming algorithms are able to recover natural sounding speech, but the speech models tend to be oversimplified or the inference would…

Computation and Language · Computer Science 2018-02-16 Kaizhi Qian , Yang Zhang , Shiyu Chang , Xuesong Yang , Dinei Florencio , Mark Hasegawa-Johnson

In this paper, we propose multi-band MelGAN, a much faster waveform generation model targeting to high-quality text-to-speech. Specifically, we improve the original MelGAN by the following aspects. First, we increase the receptive field of…

Sound · Computer Science 2020-11-18 Geng Yang , Shan Yang , Kai Liu , Peng Fang , Wei Chen , Lei Xie

Deep neural networks have shown promising potential for ultrasound-to-speech conversion task towards Silent Speech Interfaces. In this work, we applied two Conformer-based DNN architectures (Base and one with bi-LSTM) for this task.…

Sound · Computer Science 2025-06-05 Ibrahim Ibrahimov , Zainkó Csaba , Gábor Gosztolya

The paper introduces the UniMER dataset, marking the first study on Mathematical Expression Recognition (MER) targeting complex real-world scenarios. The UniMER dataset includes a large-scale training set, UniMER-1M, which offers…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Bin Wang , Zhuangcheng Gu , Guang Liang , Chao Xu , Bo Zhang , Botian Shi , Conghui He