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In this paper, we propose a deep learning based system for the task of deepfake audio detection. In particular, the draw input audio is first transformed into various spectrograms using three transformation methods of Short-time Fourier…

Sound · Computer Science 2024-07-03 Lam Pham , Phat Lam , Truong Nguyen , Huyen Nguyen , Alexander Schindler

This paper introduces a practical approach for leveraging a real-time deep learning model to alternate between speech enhancement and joint speech enhancement and separation depending on whether the input mixture contains one or two active…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-17 Kashyap Patel , Anton Kovalyov , Issa Panahi

In this paper, we propose a novel recurrent neural network architecture for speech separation. This architecture is constructed by unfolding the iterations of a sequential iterative soft-thresholding algorithm (ISTA) that solves the…

Sound · Computer Science 2017-09-22 Scott Wisdom , Thomas Powers , James Pitton , Les Atlas

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

Complex spectrum and magnitude are considered as two major features of speech enhancement and dereverberation. Traditional approaches always treat these two features separately, ignoring their underlying relationship. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-06 Yihui Fu , Yun Liu , Jingdong Li , Dawei Luo , Shubo Lv , Yukai Jv , Lei Xie

Speaker-aware source separation methods are promising workarounds for major difficulties such as arbitrary source permutation and unknown number of sources. However, it remains challenging to achieve satisfying performance provided a very…

Sound · Computer Science 2018-07-25 Jun Wang , Jie Chen , Dan Su , Lianwu Chen , Meng Yu , Yanmin Qian , Dong Yu

This paper proposes a deep speech enhancement method which exploits the high potential of residual connections in a wide neural network architecture, a topology known as Wide Residual Network. This is supported on single dimensional…

Sound · Computer Science 2019-01-04 Dayana Ribas , Jorge Llombart , Antonio Miguel , Luis Vicente

Reverberation is damaging to both the quality and the intelligibility of a speech signal. We propose a novel single-channel method of dereverberation based on a linear filter in the Short Time Fourier Transform domain. Each enhanced frame…

Sound · Computer Science 2015-09-25 Richard Stanton , Mike Brookes

Speech super-resolution (SR) reconstructs high-fidelity wideband speech from low-resolution inputs-a task that necessitates reconciling global harmonic coherence with local transient sharpness. While diffusion-based generative models yield…

Sound · Computer Science 2026-01-01 Jiajun Yuan , Xiaochen Wang , Yuhang Xiao , Yulin Wu , Chenhao Hu , Xueyang Lv

Distant speech recognition is a challenge, particularly due to the corruption of speech signals by reverberation caused by large distances between the speaker and microphone. In order to cope with a wide range of reverberations in…

Computation and Language · Computer Science 2016-08-18 Jeehye Lee , Myungin Lee , Joon-Hyuk Chang

Recent years have seen a surge in the number of available frameworks for speech enhancement (SE) and recognition. Whether model-based or constructed via deep learning, these frameworks often rely in isolation on either time-domain signals…

Sound · Computer Science 2021-06-01 Sherif Abdulatif , Karim Armanious , Jayasankar T. Sajeev , Karim Guirguis , Bin Yang

Deep neural network (DNN) based speech enhancement models have attracted extensive attention due to their promising performance. However, it is difficult to deploy a powerful DNN in real-time applications because of its high computational…

Sound · Computer Science 2022-07-25 Xiaohuai Le , Tong Lei , Kai Chen , Jing Lu

For the difficulty and large computational complexity of modeling more frequency bands, full-band speech enhancement based on deep neural networks is still challenging. Previous studies usually adopt compressed full-band speech features in…

Sound · Computer Science 2022-08-02 Guochen Yu , Yuansheng Guan , Weixin Meng , Chengshi Zheng , Hui Wang

In time-varying fading channels, channel coefficients are estimated using pilot symbols that are transmitted every coherence interval. For channels with high Doppler spread, the rapid channel variations over time will require considerable…

Information Theory · Computer Science 2022-03-24 Sandesh Rao Mattu , Lakshmi Narasimhan T , A. Chockalingam

Recently, deep neural networks (DNN) have been widely used in speaker recognition area. In order to achieve fast response time and high accuracy, the requirements for hardware resources increase rapidly. However, as the speaker recognition…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-18 Jingchi Zhang , Jonathan Huang , Michael Deisher , Hai Li , Yiran Chen

The intrinsic dynamics and event-driven nature of spiking neural networks (SNNs) make them excel in processing temporal information by naturally utilizing embedded time sequences as time steps. Recent studies adopting this approach have…

Machine Learning · Computer Science 2024-12-18 Jiaqi Wang , Liutao Yu , Liwei Huang , Chenlin Zhou , Han Zhang , Zhenxi Song , Min Zhang , Zhengyu Ma , Zhiguo Zhang

This paper presents a transfer learning method in speech emotion recognition based on a Time-Delay Neural Network (TDNN) architecture. A major challenge in the current speech-based emotion detection research is data scarcity. The proposed…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Sitong Zhou , Homayoon Beigi

The constant Q transform (CQT) has been shown to be one of the most effective speech signal pre-transforms to facilitate synthetic speech detection, followed by either hand-crafted (subband) constant Q cepstral coefficient (CQCC) feature…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-13 Guang Hua , Andrew Beng Jin Teoh , Haijian Zhang

Voice Type Discrimination (VTD) refers to discrimination between regions in a recording where speech was produced by speakers that are physically within proximity of the recording device ("Live Speech") from speech and other types of audio…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-12 Tyler Vuong , Yangyang Xia , Richard Stern

Speech separation refers to extracting each individual speech source in a given mixed signal. Recent advancements in speech separation and ongoing research in this area, have made these approaches as promising techniques for pre-processing…

Machine Learning · Computer Science 2019-12-18 Fahimeh Bahmaninezhad , Shi-Xiong Zhang , Yong Xu , Meng Yu , John H. L. Hansen , Dong Yu
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