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The task of estimating the maximum number of concurrent speakers from single channel mixtures is important for various audio-based applications, such as blind source separation, speaker diarisation, audio surveillance or auditory scene…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-05 Fabian-Robert Stöter , Soumitro Chakrabarty , Bernd Edler , Emanuël A. P. Habets

In this letter, we propose a vocal tract length (VTL) perturbation method for text-dependent speaker verification (TD-SV), in which a set of TD-SV systems are trained, one for each VTL factor, and score-level fusion is applied to make a…

Sound · Computer Science 2021-03-29 Achintya kr. Sarkar , Zheng-Hua Tan

Self-supervised learning (SSL) has attracted increased attention for learning meaningful speech representations. Speech SSL models, such as WavLM, employ masked prediction training to encode general-purpose representations. In contrast,…

Computation and Language · Computer Science 2024-02-01 Takanori Ashihara , Marc Delcroix , Takafumi Moriya , Kohei Matsuura , Taichi Asami , Yusuke Ijima

The goal of this paper is to learn robust speaker representation for bilingual speaking scenario. The majority of the world's population speak at least two languages; however, most speaker recognition systems fail to recognise the same…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-08 Kihyun Nam , Youkyum Kim , Jaesung Huh , Hee Soo Heo , Jee-weon Jung , Joon Son Chung

The goal of this paper is to train effective self-supervised speaker representations without identity labels. We propose two curriculum learning strategies within a self-supervised learning framework. The first strategy aims to gradually…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-15 Hee-Soo Heo , Jee-weon Jung , Jingu Kang , Youngki Kwon , You Jin Kim , Bong-Jin Lee , Joon Son Chung

We propose a speaker selection mechanism (SSM) for the training of an end-to-end beamforming neural network, based on recent findings that a listener usually looks to the target speaker with a certain undershot angle. The mechanism allows…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-25 Luan Vinícius Fiorio , Bruno Defraene , Johan David , Alex Young , Frans Widdershoven , Wim van Houtum , Ronald M. Aarts

Automatic detection of speaker confidence is critical for adaptive computing but remains constrained by limited labelled data and the subjectivity of paralinguistic annotations. This paper proposes a semi-supervised hybrid framework that…

Sound · Computer Science 2026-05-13 Adam Wynn , Jingyun Wang

The first spoofing-aware speaker verification (SASV) challenge aims to integrate research efforts in speaker verification and anti-spoofing. We extend the speaker verification scenario by introducing spoofed trials to the usual set of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-29 Jee-weon Jung , Hemlata Tak , Hye-jin Shim , Hee-Soo Heo , Bong-Jin Lee , Soo-Whan Chung , Ha-Jin Yu , Nicholas Evans , Tomi Kinnunen

Decision making is an important component in a speaker verification system. For the conventional GMM-UBM architecture, the decision is usually conducted based on the log likelihood ratio of the test utterance against the GMM of the claimed…

Sound · Computer Science 2016-09-28 Lantian Li , Renyu Wang , Gang Wang , Caixia Wang , Thomas Fang Zheng

Score-based generative models (SGMs) aim at estimating a target data distribution by learning score functions using only noise-perturbed samples from the target.Recent literature has focused extensively on assessing the error between the…

Statistics Theory · Mathematics 2025-01-28 Stanislas Strasman , Antonio Ocello , Claire Boyer , Sylvain Le Corff , Vincent Lemaire

The success of automatic speaker verification shows that discriminative speaker representations can be extracted from neutral speech. However, as a kind of non-verbal voice, laughter should also carry speaker information intuitively. Thus,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-21 Yuke Lin , Xiaoyi Qin , Huahua Cui , Zhenyi Zhu , Ming Li

Vision-and-language navigation (VLN) is a task in which an agent is embodied in a realistic 3D environment and follows an instruction to reach the goal node. While most of the previous studies have built and investigated a discriminative…

Computation and Language · Computer Science 2020-10-09 Shuhei Kurita , Kyunghyun Cho

Previous works have shown that automatic speaker verification (ASV) is seriously vulnerable to malicious spoofing attacks, such as replay, synthetic speech, and recently emerged adversarial attacks. Great efforts have been dedicated to…

Sound · Computer Science 2024-06-06 Haibin Wu , Xu Li , Andy T. Liu , Zhiyong Wu , Helen Meng , Hung-yi Lee

A speaker verification (SV) system offers an authentication service designed to confirm whether a given speech sample originates from a specific speaker. This technology has paved the way for various personalized applications that cater to…

This paper describes the UZH-CL system submitted to the SASV section of the WildSpoof 2026 challenge. The challenge focuses on the integrated defense against generative spoofing attacks by requiring the simultaneous verification of speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-27 Aref Farhadipour , Ming Jin , Valeriia Vyshnevetska , Xiyang Li , Elisa Pellegrino , Srikanth Madikeri

There are a number of studies about extraction of bottleneck (BN) features from deep neural networks (DNNs)trained to discriminate speakers, pass-phrases and triphone states for improving the performance of text-dependent speaker…

Sound · Computer Science 2019-05-14 Achintya kr. Sarkar , Zheng-Hua Tan , Hao Tang , Suwon Shon , James Glass

While deep learning models have made significant advances in supervised classification problems, the application of these models for out-of-set verification tasks like speaker recognition has been limited to deriving feature embeddings. The…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-12 Shreyas Ramoji , Prashant Krishnan , Sriram Ganapathy

Contrastive speaker embedding assumes that the contrast between the positive and negative pairs of speech segments is attributed to speaker identity only. However, this assumption is incorrect because speech signals contain not only speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-26 Youzhi Tu , Man-Wai Mak , Jen-Tzung Chien

For speaker recognition, it is difficult to extract an accurate speaker representation from speech because of its mixture of speaker traits and content. This paper proposes a disentanglement framework that simultaneously models speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-02 Tianchi Liu , Kong Aik Lee , Qiongqiong Wang , Haizhou Li

A judicious combination of dictionary learning methods, block sparsity and source recovery algorithm are used in a hierarchical manner to identify the noises and the speakers from a noisy conversation between two people. Conversations are…

Sound · Computer Science 2016-10-31 K V Vijay Girish , A G Ramakrishnan , T V Ananthapadmanabha