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Rich sources of variability in natural speech present significant challenges to current data intensive speech recognition technologies. To model both speaker and environment level diversity, this paper proposes a novel Bayesian factorised…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-27 Jiajun Deng , Guinan Li , Xurong Xie , Zengrui Jin , Mingyu Cui , Tianzi Wang , Shujie Hu , Mengzhe Geng , Xunying Liu

End-to-end speaker diarization approaches have shown exceptional performance over the traditional modular approaches. To further improve the performance of the end-to-end speaker diarization for real speech recordings, recently works have…

Sound · Computer Science 2022-04-19 Chenyu Yang , Yu Wang

This work addresses the problem of speech separation in the Spanish Language using pre-trained deep learning models. As with many speech processing tasks, large databases in other languages different from English are scarce. Therefore this…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-20 Jose A. Arango-Sánchez , Julián D. Arias-Londoño

Improving the accuracy of single-channel automatic speech recognition (ASR) in noisy conditions is challenging. Strong speech enhancement front-ends are available, however, they typically require that the ASR model is retrained to cope with…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-10 Catalin Zorila , Rama Doddipatla

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…

Sound · Computer Science 2018-04-27 Sergey Novoselov , Andrey Shulipa , Ivan Kremnev , Alexandr Kozlov , Vadim Shchemelinin

Transcribing meetings containing overlapped speech with only a single distant microphone (SDM) has been one of the most challenging problems for automatic speech recognition (ASR). While various approaches have been proposed, all previous…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-14 Naoyuki Kanda , Guoli Ye , Yu Wu , Yashesh Gaur , Xiaofei Wang , Zhong Meng , Zhuo Chen , Takuya Yoshioka

Modern automatic speaker verification relies largely on deep neural networks (DNNs) trained on mel-frequency cepstral coefficient (MFCC) features. While there are alternative feature extraction methods based on phase, prosody and long-term…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-31 Xuechen Liu , Md Sahidullah , Tomi Kinnunen

Deep clustering (DC) and utterance-level permutation invariant training (uPIT) have been demonstrated promising for speaker-independent speech separation. DC is usually formulated as two-step processes: embedding learning and embedding…

Sound · Computer Science 2019-07-24 Cunhang Fan , Bin Liu , Jianhua Tao , Jiangyan Yi , Zhengqi Wen

This paper presents a novel framework for multi-talker automatic speech recognition without the need for auxiliary information. Serialized Output Training (SOT), a widely used approach, suffers from recognition errors due to speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-10 Asahi Sakuma , Hiroaki Sato , Ryuga Sugano , Tadashi Kumano , Yoshihiko Kawai , Tetsuji Ogawa

In speaker verification, contrastive learning is gaining popularity as an alternative to the traditionally used classification-based approaches. Contrastive methods can benefit from an effective use of hard negative pairs, which are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-26 Piotr Masztalski , Michał Romaniuk , Jakub Żak , Mateusz Matuszewski , Konrad Kowalczyk

A new type of End-to-End system for text-dependent speaker verification is presented in this paper. Previously, using the phonetically discriminative/speaker discriminative DNNs as feature extractors for speaker verification has shown…

Computation and Language · Computer Science 2017-01-04 Shi-Xiong Zhang , Zhuo Chen , Yong Zhao , Jinyu Li , Yifan Gong

The promising performance of Deep Learning (DL) in speech recognition has motivated the use of DL in other speech technology applications such as speaker recognition. Given i-vectors as inputs, the authors proposed an impostor selection…

Sound · Computer Science 2017-04-24 Omid Ghahabi , Javier Hernando

This paper proposes speaker-adaptive neural vocoders for parametric text-to-speech (TTS) systems. Recently proposed WaveNet-based neural vocoding systems successfully generate a time sequence of speech signal with an autoregressive…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-04 Eunwoo Song , Jin-Seob Kim , Kyungguen Byun , Hong-Goo Kang

Despite the rapid progress of automatic speech recognition (ASR) technologies targeting normal speech in recent decades, accurate recognition of dysarthric and elderly speech remains highly challenging tasks to date. Sources of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-18 Mengzhe Geng , Xurong Xie , Zi Ye , Tianzi Wang , Guinan Li , Shujie Hu , Xunying Liu , Helen Meng

This paper proposes attentive statistics pooling for deep speaker embedding in text-independent speaker verification. In conventional speaker embedding, frame-level features are averaged over all the frames of a single utterance to form an…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-27 Koji Okabe , Takafumi Koshinaka , Koichi Shinoda

In this study we present a Deep Mixture of Experts (DMoE) neural-network architecture for single microphone speech enhancement. By contrast to most speech enhancement algorithms that overlook the speech variability mainly caused by phoneme…

Sound · Computer Science 2017-03-29 Shlomo E. Chazan , Jacob Goldberger , Sharon Gannot

Despite recent improvements in End-to-End Automatic Speech Recognition (E2E ASR) systems, the performance can degrade due to vocal characteristic mismatches between training and testing data, particularly with limited target speaker…

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

Neural network-based speaker recognition has achieved significant improvement in recent years. A robust speaker representation learns meaningful knowledge from both hard and easy samples in the training set to achieve good performance.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-31 Ruijie Tao , Kong Aik Lee , Zhan Shi , Haizhou Li

The x-vector based deep neural network (DNN) embedding systems have demonstrated effectiveness for text-independent speaker verification. This paper presents a multi-task learning architecture for training the speaker embedding DNN with the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-05 Lanhua You , Wu Guo , Lirong Dai , Jun Du
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