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The conventional speaker recognition frameworks (e.g., the i-vector and CNN-based approach) have been successfully applied to various tasks when the channel of the enrolment dataset is similar to that of the test dataset. However, in…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-26 Xin Fang , Liang Zou , Jin Li , Lei Sun , Zhen-Hua Ling

Automatic Speaker Verification (ASV) technology has become commonplace in virtual assistants. However, its performance suffers when there is a mismatch between the train and test domains. Mixed bandwidth training, i.e., pooling training…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-07 Saurabh Kataria , Jesús Villalba , Laureano Moro-Velázquez , Piotr Żelasko , Najim Dehak

The performance of child speech recognition is generally less satisfactory compared to adult speech due to limited amount of training data. Significant performance degradation is expected when applying an automatic speech recognition (ASR)…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-26 Wei Liu , Jingyu Li , Tan Lee

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…

Sound · Computer Science 2018-09-26 Qiongqiong Wang , Koji Okabe , Kong Aik Lee , Hitoshi Yamamoto , Takafumi Koshinaka

Recently, more and more zero-shot voice conversion algorithms have been proposed. As a fundamental part of zero-shot voice conversion, speaker embeddings are the key to improving the converted speech's speaker similarity. In this paper, we…

Sound · Computer Science 2022-03-21 Ruitong Xiao , Haitong Zhang , Yue Lin

Conventional time-delay neural networks (TDNNs) struggle to handle long-range context, their ability to represent speaker information is therefore limited in long utterances. Existing solutions either depend on increasing model complexity…

Sound · Computer Science 2023-08-02 Yangfu Li , Jiapan Gan , Xiaodan Lin

Though significant progress has been made for the voice conversion (VC) of typical speech, VC for atypical speech, e.g., dysarthric and second-language (L2) speech, remains a challenge, since it involves correcting for atypical prosody…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-26 Disong Wang , Songxiang Liu , Lifa Sun , Xixin Wu , Xunying Liu , Helen Meng

This paper describes the IDLab submission for the text-independent task of the Short-duration Speaker Verification Challenge 2021 (SdSVC-21). This speaker verification competition focuses on short duration test recordings and cross-lingual…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-10 Jenthe Thienpondt , Brecht Desplanques , Kris Demuynck

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

We investigated an enhancement and a domain adaptation approach to make speaker verification systems robust to perturbations of far-field speech. In the enhancement approach, using paired (parallel) reverberant-clean speech, we trained a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Phani Sankar Nidadavolu , Saurabh Kataria , Paola García-Perera , Jesús Villalba , Najim Dehak

In this paper, we analyze the behavior and performance of speaker embeddings and the back-end scoring model under domain and language mismatch. We present our findings regarding ResNet-based speaker embedding architectures and show that…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-22 Anna Silnova , Themos Stafylakis , Ladislav Mosner , Oldrich Plchot , Johan Rohdin , Pavel Matejka , Lukas Burget , Ondrej Glembek , Niko Brummer

This study presents a novel model for invertible sentence embeddings using a residual recurrent network trained on an unsupervised encoding task. Rather than the probabilistic outputs common to neural machine translation models, our…

Computation and Language · Computer Science 2023-04-07 Jeremy Wilkerson

The use of deep networks to extract embeddings for speaker recognition has proven successfully. However, such embeddings are susceptible to performance degradation due to the mismatches among the training, enrollment, and test conditions.…

Sound · Computer Science 2019-04-30 Zhong Meng , Yong Zhao , Jinyu Li , Yifan Gong

In this paper, we propose a fully supervised speaker diarization approach, named unbounded interleaved-state recurrent neural networks (UIS-RNN). Given extracted speaker-discriminative embeddings (a.k.a. d-vectors) from input utterances,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-20 Aonan Zhang , Quan Wang , Zhenyao Zhu , John Paisley , Chong Wang

Generative probability models are widely used for speaker verification (SV). However, the generative models are lack of discriminative feature selection ability. As a hypothesis test, the SV can be regarded as a binary classification task…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-08 Xugang Lu , Peng Shen , Yu Tsao , Hisashi Kawai

Designing an end-to-end deep learning network to match the biometric features with limited training samples is an extremely challenging task. To address this problem, we propose a new way to design an end-to-end deep CNN framework i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Daksh Thapar , Gaurav Jaswal , Aditya Nigam , Vivek Kanhangad

Reconstructing MR images using deep neural networks from undersampled k-space data without using fully sampled training references offers significant value in practice, which is a self-supervised regression problem calling for effective…

Image and Video Processing · Electrical Eng. & Systems 2025-01-22 Liyan Sun , Shaocong Yu , Chi Zhang , Xinghao Ding

Training speaker-discriminative and robust speaker verification systems without explicit speaker labels remains a persisting challenge. In this paper, we propose a new self-supervised speaker verification approach, Self-Distillation…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-28 Yafeng Chen , Siqi Zheng , Hui Wang , Luyao Cheng , Qian Chen , Shiliang Zhang , Wen Wang

Dysarthric speech reconstruction (DSR) aims to convert dysarthric speech into comprehensible speech while maintaining the speaker's identity. Despite significant advancements, existing methods often struggle with low speech intelligibility…

Sound · Computer Science 2025-06-03 Xueyuan Chen , Dongchao Yang , Wenxuan Wu , Minglin Wu , Jing Xu , Xixin Wu , Zhiyong Wu , Helen Meng

Tackling pattern recognition problems in areas such as computer vision, bioinformatics, speech or text recognition is often done best by taking into account task-specific statistical relations between output variables. In structured…

Machine Learning · Statistics 2016-03-14 Rein Houthooft , Filip De Turck