English
Related papers

Related papers: Complex-valued neural networks for voice anti-spoo…

200 papers

In speech synthesis and speech enhancement systems, melspectrograms need to be precise in acoustic representations. However, the generated spectrograms are over-smooth, that could not produce high quality synthesized speech. Inspired by…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-04 Leyuan Sheng , Dong-Yan Huang , Evgeniy N. Pavlovskiy

Deepfake speech detection presents a growing challenge as generative audio technologies continue to advance. We propose a hybrid training framework that advances detection performance through novel augmentation strategies. First, we…

Sound · Computer Science 2025-11-14 Inbal Rimon , Oren Gal , Haim Permuter

Recent advances in Text-to-Speech (TTS) systems have substantially increased the realism of synthetic speech, raising new challenges for audio deepfake detection. This work presents a comparative evaluation of three state-of-the-art TTS…

In this paper, a novel Convolutional Neural Network architecture has been developed for speaker verification in order to simultaneously capture and discard speaker and non-speaker information, respectively. In training phase, the network is…

Audio and Speech Processing · Electrical Eng. & Systems 2018-08-13 Hossein Salehghaffari

Speech enhancement algorithms based on deep learning have been improved in terms of speech intelligibility and perceptual quality greatly. Many methods focus on enhancing the amplitude spectrum while reconstructing speech using the mixture…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-10 Qinglong Li , Fei Gao , Haixin Guan , Kaichi Ma

Transient loud intrusions, often occurring in noisy environments, can completely overpower speech signal and lead to an inevitable loss of information. While existing algorithms for noise suppression can yield impressive results, their…

Sound · Computer Science 2020-11-12 Mikolaj Kegler , Pierre Beckmann , Milos Cernak

Audio DeepFakes allow the creation of high-quality, convincing utterances and therefore pose a threat due to its potential applications such as impersonation or fake news. Methods for detecting these manipulations should be characterized by…

Sound · Computer Science 2022-10-13 Piotr Kawa , Marcin Plata , Piotr Syga

Given the recent surge in developments of deep learning, this article provides a review of the state-of-the-art deep learning techniques for audio signal processing. Speech, music, and environmental sound processing are considered…

Sound · Computer Science 2019-05-28 Hendrik Purwins , Bo Li , Tuomas Virtanen , Jan Schlüter , Shuo-yiin Chang , Tara Sainath

This paper presents an improved deep embedding learning method based on convolutional neural network (CNN) for text-independent speaker verification. Two improvements are proposed for x-vector embedding learning: (1) Multi-scale convolution…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-15 Bin Gu , Wu Guo

Audio deepfakes are increasingly in-differentiable from organic speech, often fooling both authentication systems and human listeners. While many techniques use low-level audio features or optimization black-box model training, focusing on…

Sound · Computer Science 2025-02-21 Kevin Warren , Daniel Olszewski , Seth Layton , Kevin Butler , Carrie Gates , Patrick Traynor

Traditionally, research in automated speech recognition has focused on local-first encoding of audio representations to predict the spoken phonemes in an utterance. Unfortunately, approaches relying on such hyper-local information tend to…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-19 David M. Chan , Shalini Ghosh , Debmalya Chakrabarty , Björn Hoffmeister

One of the decisions that arise when designing a neural network for any application is how the data should be represented in order to be presented to, and possibly generated by, a neural network. For audio, the choice is less obvious than…

Sound · Computer Science 2017-06-30 L. Wyse

Deep learning has enabled realistic face manipulation (i.e., deepfake), which poses significant concerns over the integrity of the media in circulation. Most existing deep learning techniques for deepfake detection can achieve promising…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Bosheng Yan , Chang-Tsun Li , Xuequan Lu

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

Conventional spoofing detection systems have heavily relied on the use of handcrafted features derived from speech data. However, a notable shift has recently emerged towards the direct utilization of raw speech waveforms, as demonstrated…

The decoupling-style concept begins to ignite in the speech enhancement area, which decouples the original complex spectrum estimation task into multiple easier sub-tasks i.e., magnitude-only recovery and the residual complex spectrum…

Sound · Computer Science 2022-08-02 Guochen Yu , Andong Li , Hui Wang , Yutian Wang , Yuxuan Ke , Chengshi Zheng

In this work, we explore the constant-Q transform (CQT) for speech emotion recognition (SER). The CQT-based time-frequency analysis provides variable spectro-temporal resolution with higher frequency resolution at lower frequencies. Since…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Premjeet Singh , Goutam Saha , Md Sahidullah

This study proposes novel signal analysis methods for replay speech detection in automatic speaker verification (ASV) systems. The proposed methods -- arbitrary analysis (AA), mel scale analysis (MA), and constant Q analysis (CQA) -- are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-28 Lee Shih Kuang

With the rapid development of speech conversion and speech synthesis algorithms, automatic speaker verification (ASV) systems are vulnerable to spoofing attacks. In recent years, researchers had proposed a number of anti-spoofing methods…

Sound · Computer Science 2022-12-23 Qiaowei Ma , Jinghui Zhong , Yitao Yang , Weiheng Liu , Ying Gao , Wing W. Y. Ng

This paper thoroughly analyses the effect of different input representations on polyphonic multi-instrument music transcription. We use our own GPU based spectrogram extraction tool, nnAudio, to investigate the influence of using a…

Sound · Computer Science 2020-07-22 Kin Wai Cheuk , Kat Agres , Dorien Herremans