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Multi-view feature has been proved to be very effective in many multimedia applications. However, the current back-end classifiers cannot make full use of such features. In this paper, we propose a method to model the multi-faceted…

Machine Learning · Computer Science 2017-07-10 Ziqiang Shi , Liu Liu , Mengjiao Wang , Rujie Liu

Speech enhancement aims to improve the perceptual quality of the speech signal by suppression of the background noise. However, excessive suppression may lead to speech distortion and speaker information loss, which degrades the performance…

Sound · Computer Science 2021-10-05 Yi Ma , Kong Aik Lee , Ville Hautamaki , Haizhou Li

We study a novel neural architecture and its training strategies of speaker encoder for speaker recognition without using any identity labels. The speaker encoder is trained to extract a fixed-size speaker embedding from a spoken utterance…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-28 Ruijie Tao , Kong Aik Lee , Rohan Kumar Das , Ville Hautamäki , Haizhou Li

Speaker embeddings (x-vectors) extracted from very short segments of speech have recently been shown to give competitive performance in speaker diarization. We generalize this recipe by extracting from each speech segment, in parallel with…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-09 Anna Silnova , Niko Brümmer , Johan Rohdin , Themos Stafylakis , Lukáš Burget

We introduce a scalable Bayesian preference learning method for identifying convincing arguments in the absence of gold-standard rat- ings or rankings. In contrast to previous work, we avoid the need for separate methods to perform quality…

Computation and Language · Computer Science 2018-06-08 Edwin Simpson , Iryna Gurevych

Recently, speaker embeddings extracted with deep neural networks became the state-of-the-art method for speaker verification. In this paper we aim to facilitate its implementation on a more generic toolkit than Kaldi, which we anticipate to…

Sound · Computer Science 2018-11-07 Hossein Zeinali , Lukas Burget , Johan Rohdin , Themos Stafylakis , Jan Cernocky

More and more neural network approaches have achieved considerable improvement upon submodules of speaker diarization system, including speaker change detection and segment-wise speaker embedding extraction. Still, in the clustering stage,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-02 Qingjian Lin , Ruiqing Yin , Ming Li , Hervé Bredin , Claude Barras

Embeddings in machine learning are low-dimensional representations of complex input patterns, with the property that simple geometric operations like Euclidean distances and dot products can be used for classification and comparison tasks.…

Machine Learning · Statistics 2018-02-28 Niko Brummer , Anna Silnova , Lukas Burget , Themos Stafylakis

Existing speaker verification (SV) systems often suffer from performance degradation if there is any language mismatch between model training, speaker enrollment, and test. A major cause of this degradation is that most existing SV methods…

Sound · Computer Science 2017-06-27 Lantian Li , Dong Wang , Askar Rozi , Thomas Fang Zheng

In this paper we describe the top-scoring IDLab submission for the text-independent task of the Short-duration Speaker Verification (SdSV) Challenge 2020. The main difficulty of the challenge exists in the large degree of varying phonetic…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-03 Jenthe Thienpondt , Brecht Desplanques , Kris Demuynck

A number of studies have successfully developed speaker verification or presentation attack detection systems. However, studies integrating the two tasks remain in the preliminary stages. In this paper, we propose two approaches for…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-29 Hye-jin Shim , Jee-weon Jung , Ju-ho Kim , Seung-bin Kim , Ha-Jin Yu

Overlapping speech diarization is always treated as a multi-label classification problem. In this paper, we reformulate this task as a single-label prediction problem by encoding the multi-speaker labels with power set. Specifically, we…

Sound · Computer Science 2021-11-30 Zhihao Du , Shiliang Zhang , Siqi Zheng , Weilong Huang , Ming Lei

In this paper, a class of nonlinear MMSE multiuser detectors are derived based on a multivariate Gaussian approximation of the multiple access interference. This approach leads to expressions identical to those describing the probabilistic…

Information Theory · Computer Science 2007-07-13 Peng Hui Tan , Lars K. Rasmussen

We consider Bayesian inference when only a limited number of noisy log-likelihood evaluations can be obtained. This occurs for example when complex simulator-based statistical models are fitted to data, and synthetic likelihood (SL) method…

Machine Learning · Statistics 2020-03-09 Marko Järvenpää , Michael Gutmann , Aki Vehtari , Pekka Marttinen

The goal of this paper is to adapt speaker embeddings for solving the problem of speaker diarisation. The quality of speaker embeddings is paramount to the performance of speaker diarisation systems. Despite this, prior works in the field…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-08 Youngki Kwon , Jee-weon Jung , Hee-Soo Heo , You Jin Kim , Bong-Jin Lee , Joon Son Chung

This work presents a novel framework based on feed-forward neural network for text-independent speaker classification and verification, two related systems of speaker recognition. With optimized features and model training, it achieves 100%…

Sound · Computer Science 2017-03-20 Zhenhao Ge , Ananth N. Iyer , Srinath Cheluvaraja , Ram Sundaram , Aravind Ganapathiraju

While many researchers in the speaker recognition area have started to replace the former classical state-of-the-art methods with deep learning techniques, some of the traditional i-vector-based methods are still state-of-the-art in the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-01 Soroosh Tayebi Arasteh

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

Speaker embeddings become growing popular in the text-independent speaker verification task. In this paper, we propose two improvements during the training stage. The improvements are both based on triplet cause the training stage and the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-08 Zongze Ren , Zhiyong Chen , Shugong Xu

In this paper we demonstrate that performance of a speaker verification system can be improved by concatenating electroencephalography (EEG) signal features with speech signal features or only using EEG signal features. We use…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-11 Yan Han , Gautam Krishna , Co Tran , Mason Carnahan , Ahmed H Tewfik