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Related papers: Latent Class Model with Application to Speaker Dia…

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We propose a new speaker diarization system based on a recently introduced unsupervised clustering technique namely, generative adversarial network mixture model (GANMM). The proposed system uses x-vectors as front-end representation.…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-28 Monisankha Pal , Manoj Kumar , Raghuveer Peri , Shrikanth Narayanan

Variational autoencoder-based voice conversion (VAE-VC) has the advantage of requiring only pairs of speeches and speaker labels for training. Unlike the majority of the research in VAE-VC which focuses on utilizing auxiliary losses or…

Sound · Computer Science 2021-12-07 Kei Akuzawa , Kotaro Onishi , Keisuke Takiguchi , Kohki Mametani , Koichiro Mori

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…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-01 Jiamin Xie , Suzanna Sia , Paola Garcia , Daniel Povey , Sanjeev Khudanpur

Speaker diarization is typically considered a discriminative task, using discriminative approaches to produce fixed diarization results. In this paper, we explore the use of neural network-based generative methods for speaker diarization…

Sound · Computer Science 2024-09-20 Zhengyang Chen , Bing Han , Shuai Wang , Yidi Jiang , Yanmin Qian

The state-of-art approach to speaker verification involves the extraction of discriminative embeddings like x-vectors followed by a generative model back-end using a probabilistic linear discriminant analysis (PLDA). In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-10 Shreyas Ramoji , Prashant Krishnan , Prachi Singh , Sriram Ganapathy

Neural conversation models such as encoder-decoder models are easy to generate bland and generic responses. Some researchers propose to use the conditional variational autoencoder(CVAE) which maximizes the lower bound on the conditional…

Computation and Language · Computer Science 2019-11-25 Jun Gao , Wei Bi , Xiaojiang Liu , Junhui Li , Guodong Zhou , Shuming Shi

Latent Class Models (LCMs) are used to cluster multivariate categorical data (e.g. group participants based on survey responses). Traditional LCMs assume a property called conditional independence. This assumption can be restrictive,…

Machine Learning · Statistics 2024-06-19 Jesse Bowers , Steve Culpepper

This paper improves the speaker recognition rates of a MLP classifier and LPCC codebook alone, using a linear combination between both methods. In simulations we have obtained an improvement of 4.7% over a LPCC codebook of 32 vectors and…

Sound · Computer Science 2022-03-23 Daniel Rodriguez-Porcheron , Marcos Faundez-Zanuy

In traditional speaker diarization systems, a well-trained speaker model is a key component to extract representations from consecutive and partially overlapping segments in a long speech session. To be more consistent with the back-end…

Sound · Computer Science 2022-04-01 Yu-Huai Peng , Hung-Shin Lee , Pin-Tuan Huang , Hsin-Min Wang

In this paper, we address the problem of speaker verification in conditions unseen or unknown during development. A standard method for speaker verification consists of extracting speaker embeddings with a deep neural network and processing…

Sound · Computer Science 2021-08-18 Luciana Ferrer , Mitchell McLaren , Niko Brummer

Deep learning (DL)-based Semantic Communications (SemCom) is becoming critical to maximize overall efficiency of communication networks. Nevertheless, SemCom is sensitive to wireless channel uncertainties, source outliers, and suffer from…

Machine Learning · Computer Science 2025-02-18 Jianhua Pei , Cheng Feng , Ping Wang , Hina Tabassum , Dongyuan Shi

Cognitive modeling commonly relies on asking participants to complete a battery of varied tests in order to estimate attention, working memory, and other latent variables. In many cases, these tests result in highly variable observation…

The goal of this paper is to provide a new perspective on speech modeling by incorporating perceptual invariances such as amplitude scaling and temporal shifts. Conventional generative formulations often treat each dataset sample as a fixed…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-24 Doyeop Kwak , Youngjoon Jang , Joon Son Chung

An important step in speaker verification is extracting features that best characterize the speaker voice. This paper investigates a front-end processing that aims at improving the performance of speaker verification based on the SVMs…

Machine Learning · Computer Science 2013-06-13 Kawthar Yasmine Zergat , Abderrahmane Amrouche

Significant progress has recently been made in speaker diarisation after the introduction of d-vectors as speaker embeddings extracted from neural network (NN) speaker classifiers for clustering speech segments. To extract better-performing…

Sound · Computer Science 2021-05-10 Guangzhi Sun , Chao Zhang , Phil Woodland

This paper presents a novel latent variable recurrent neural network architecture for jointly modeling sequences of words and (possibly latent) discourse relations between adjacent sentences. A recurrent neural network generates individual…

Computation and Language · Computer Science 2016-04-06 Yangfeng Ji , Gholamreza Haffari , Jacob Eisenstein

The challenges in applying contrastive learning to speaker verification (SV) are that the softmax-based contrastive loss lacks discriminative power and that the hard negative pairs can easily influence learning. To overcome the first…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-14 Zhe Li , Man-Wai Mak , Helen Mei-Ling Meng

Generally speaking, the main objective when training a neural speech synthesis system is to synthesize natural and expressive speech from the output layer of the neural network without much attention given to the hidden layers. However, by…

Sound · Computer Science 2021-06-28 Hieu-Thi Luong , Junichi Yamagishi

While the community keeps promoting end-to-end models over conventional hybrid models, which usually are long short-term memory (LSTM) models trained with a cross entropy criterion followed by a sequence discriminative training criterion,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-18 Jinyu Li , Rui Zhao , Eric Sun , Jeremy H. M. Wong , Amit Das , Zhong Meng , Yifan Gong

Speaker diarization (SD) is typically used with an automatic speech recognition (ASR) system to ascribe speaker labels to recognized words. The conventional approach reconciles outputs from independently optimized ASR and SD systems, where…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-20 Rohit Paturi , Sundararajan Srinivasan , Xiang Li