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相关论文: NPLDA: A Deep Neural PLDA Model for Speaker Verifi…

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State-of-the-art speaker recognition systems comprise a speaker embedding front-end followed by a probabilistic linear discriminant analysis (PLDA) back-end. The effectiveness of these components relies on the availability of a large amount…

音频与语音处理 · 电气工程与系统科学 2023-05-26 Qiongqiong Wang , Koji Okabe , Kong Aik Lee , Takafumi Koshinaka

State-of-the-art speaker recognition systems comprise an x-vector (or i-vector) speaker embedding front-end followed by a probabilistic linear discriminant analysis (PLDA) backend. The effectiveness of these components relies on the…

机器学习 · 计算机科学 2020-04-22 Kong Aik Lee , Qiongqiong Wang , Takafumi Koshinaka

PLDA is a popular normalization approach for the i-vector model, and it has delivered state-of-the-art performance in speaker verification. However, PLDA training requires a large amount of labelled development data, which is highly…

机器学习 · 计算机科学 2017-05-24 Lantian Li , Yixiang Chen , Dong Wang , Chenghui Zhao

Deep embedding based text-independent speaker verification has demonstrated superior performance to traditional methods in many challenging scenarios. Its loss functions can be generally categorized into two classes, i.e., verification and…

机器学习 · 计算机科学 2019-11-20 Zhongxin Bai , Xiao-Lei Zhang , Jingdong Chen

Deep speaker embedding has demonstrated state-of-the-art performance in speaker recognition tasks. However, one potential issue with this approach is that the speaker vectors derived from deep embedding models tend to be non-Gaussian for…

音频与语音处理 · 电气工程与系统科学 2020-11-03 Yunqi Cai , Lantian Li , Dong Wang , Andrew Abel

In this paper we propose a method to model speaker and session variability and able to generate likelihood ratios using neural networks in an end-to-end phrase dependent speaker verification system. As in Joint Factor Analysis, the model…

音频与语音处理 · 电气工程与系统科学 2019-01-01 Antonio Miguel , Jorge Llombart , Alfonso Ortega , Eduardo Lleida

This paper describes the systems submitted by team HCCL to the Far-Field Speaker Verification Challenge. Our previous work in the AIshell Speaker Verification Challenge 2019 shows that the powerful modeling abilities of Neural Network…

声音 · 计算机科学 2021-07-06 Zhuo Li , Ce Fang , Runqiu Xiao , Zhigao Chen , Wenchao Wang , Yonghong Yan

This paper presents an experimental study on deep speaker embedding with an attention mechanism that has been found to be a powerful representation learning technique in speaker recognition. In this framework, an attention model works as a…

声音 · 计算机科学 2018-09-26 Qiongqiong Wang , Koji Okabe , Kong Aik Lee , Hitoshi Yamamoto , Takafumi Koshinaka

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…

音频与语音处理 · 电气工程与系统科学 2020-09-29 Hye-jin Shim , Jee-weon Jung , Ju-ho Kim , Seung-bin Kim , Ha-Jin Yu

In this paper, we propose a speaker-verification system based on maximum likelihood linear regression (MLLR) super-vectors, for which speakers are characterized by m-vectors. These vectors are obtained by a uniform segmentation of the…

声音 · 计算机科学 2016-05-13 A. K. Sarkar , C. Barras , V. B. Le , D. Matrouf

In diarization, the PLDA is typically used to model an inference structure which assumes the variation in speech segments be induced by various speakers. The speaker variation is then learned from the training data. However, human…

音频与语音处理 · 电气工程与系统科学 2020-09-01 Jiamin Xie , Suzanna Sia , Paola Garcia , Daniel Povey , Sanjeev Khudanpur

Learning speaker-specific features is vital in many applications like speaker recognition, diarization and speech recognition. This paper provides a novel approach, we term Neural Predictive Coding (NPC), to learn speaker-specific…

声音 · 计算机科学 2019-07-18 Arindam Jati , Panayiotis Georgiou

The x-vector maps segments of arbitrary duration to vectors of fixed dimension using deep neural network. Combined with the probabilistic linear discriminant analysis (PLDA) backend, the x-vector/PLDA has become the dominant framework in…

音频与语音处理 · 电气工程与系统科学 2020-01-15 Bin Gu , Wu Guo

State-of-the-art i-vector based speaker verification relies on variants of Probabilistic Linear Discriminant Analysis (PLDA) for discriminant analysis. We are mainly motivated by the recent work of the joint Bayesian (JB) method, which is…

声音 · 计算机科学 2017-01-20 Yiyan Wang , Haotian Xu , Zhijian Ou

This work presents a novel back-end framework for speaker verification using graph attention networks. Segment-wise speaker embeddings extracted from multiple crops within an utterance are interpreted as node representations of a graph. The…

音频与语音处理 · 电气工程与系统科学 2021-02-09 Jee-weon Jung , Hee-Soo Heo , Ha-Jin Yu , Joon Son Chung

Mismatch between enrollment and test conditions causes serious performance degradation on speaker recognition systems. This paper presents a statistics decomposition (SD) approach to solve this problem. This approach decomposes the PLDA…

声音 · 计算机科学 2021-11-25 Lantian Li , Dong Wang , Jiawen Kang , Renyu Wang , Jing Wu , Zhendong Gao , Xiao Chen

We investigate deep neural network performance in the textindependent speaker recognition task. We demonstrate that using angular softmax activation at the last classification layer of a classification neural network instead of a simple…

声音 · 计算机科学 2018-04-27 Sergey Novoselov , Andrey Shulipa , Ivan Kremnev , Alexandr Kozlov , Vadim Shchemelinin

In this paper, a novel architecture for speaker recognition is proposed by cascading speech enhancement and speaker processing. Its aim is to improve speaker recognition performance when speech signals are corrupted by noise. Instead of…

计算与语言 · 计算机科学 2020-05-25 Yanpei Shi , Qiang Huang , Thomas Hain

In this paper, we propose an iterative framework for self-supervised speaker representation learning based on a deep neural network (DNN). The framework starts with training a self-supervision speaker embedding network by maximizing…

音频与语音处理 · 电气工程与系统科学 2020-10-29 Danwei Cai , Weiqing Wang , Ming Li

In recent years, speaker verification has primarily performed using deep neural networks that are trained to output embeddings from input features such as spectrograms or Mel-filterbank energies. Studies that design various loss functions,…

音频与语音处理 · 电气工程与系统科学 2019-07-18 Hee-Soo Heo , Jee-weon Jung , IL-Ho Yang , Sung-Hyun Yoon , Hye-jin Shim , Ha-Jin Yu