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Automatic speaker verification (ASV) systems, which determine whether two speeches are from the same speaker, mainly focus on verification accuracy while ignoring inference speed. However, in real applications, both inference speed and…

Sound · Computer Science 2022-04-05 Ruiteng Zhang , Jianguo Wei , Wenhuan Lu , Lin Zhang , Yantao Ji , Junhai Xu , Xugang Lu

Many speaker recognition challenges have been held to assess the speaker verification system in the wild and probe the performance limit. Voxceleb Speaker Recognition Challenge (VoxSRC), based on the voxceleb, is the most popular. Besides,…

Sound · Computer Science 2023-06-02 Zhengyang Chen , Bing Han , Xu Xiang , Houjun Huang , Bei Liu , Yanmin Qian

This paper presents the SJTU system for both text-dependent and text-independent tasks in short-duration speaker verification (SdSV) challenge 2021. In this challenge, we explored different strong embedding extractors to extract robust…

Sound · Computer Science 2022-08-04 Bing Han , Zhengyang Chen , Zhikai Zhou , Yanmin Qian

This paper describes the TSUP team's submission to the ISCSLP 2022 conversational short-phrase speaker diarization (CSSD) challenge which particularly focuses on short-phrase conversations with a new evaluation metric called conversational…

Sound · Computer Science 2023-10-26 Bowen Pang , Huan Zhao , Gaosheng Zhang , Xiaoyue Yang , Yang Sun , Li Zhang , Qing Wang , Lei Xie

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

Recently, x-vector has been a successful and popular approach for speaker verification, which employs a time delay neural network (TDNN) and statistics pooling to extract speaker characterizing embedding from variable-length utterances.…

Sound · Computer Science 2022-01-02 Wentao Zhu , Tianlong Kong , Shun Lu , Jixiang Li , Dawei Zhang , Feng Deng , Xiaorui Wang , Sen Yang , Ji Liu

The LEAP submission for DIHARD-III challenge is described in this paper. The proposed system is composed of a speech bandwidth classifier, and diarization systems fine-tuned for narrowband and wideband speech separately. We use an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-15 Prachi Singh , Rajat Varma , Venkat Krishnamohan , Srikanth Raj Chetupalli , Sriram Ganapathy

This paper describes the LIA speaker recognition system developed for the Speaker Recognition Evaluation (SRE) campaign. Eight sub-systems are developed, all based on a state-of-the-art approach: i-vector/PLDA which represents the…

We design an online end-to-end speech recognition system based on Time-Depth Separable (TDS) convolutions and Connectionist Temporal Classification (CTC). We improve the core TDS architecture in order to limit the future context and hence…

Modern speaker verification systems primarily rely on speaker embeddings, followed by verification based on cosine similarity between the embedding vectors of the enrollment and test utterances. While effective, these methods struggle with…

Sound · Computer Science 2025-07-04 Wan Lin , Junhui Chen , Tianhao Wang , Zhenyu Zhou , Lantian Li , Dong Wang

The Conversational Assistance Track (CAsT) is a new track for TREC 2019 to facilitate Conversational Information Seeking (CIS) research and to create a large-scale reusable test collection for conversational search systems. The document…

Information Retrieval · Computer Science 2020-03-31 Jeffrey Dalton , Chenyan Xiong , Jamie Callan

This paper aims to improve the widely used deep speaker embedding x-vector model. We propose the following improvements: (1) a hybrid neural network structure using both time delay neural network (TDNN) and long short-term memory neural…

Computation and Language · Computer Science 2019-02-22 Yun Tang , Guohong Ding , Jing Huang , Xiaodong He , Bowen Zhou

This paper describes our submission to Task 1 of the Short-duration Speaker Verification (SdSV) challenge 2020. Task 1 is a text-dependent speaker verification task, where both the speaker and phrase are required to be verified. The…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-23 Sung Hwan Mun , Woo Hyun Kang , Min Hyun Han , Nam Soo Kim

This paper presents the Intelligent Voice (IV) system submitted to the NIST 2016 Speaker Recognition Evaluation (SRE). The primary emphasis of SRE this year was on developing speaker recognition technology which is robust for novel…

Sound · Computer Science 2016-11-03 Abbas Khosravani , Cornelius Glackin , Nazim Dugan , Gérard Chollet , Nigel Cannings

Speaker recognition systems based on deep speaker embeddings have achieved significant performance in controlled conditions according to the results obtained for early NIST SRE (Speaker Recognition Evaluation) datasets. From the practical…

We present the recent advances along with an error analysis of the IBM speaker recognition system for conversational speech. Some of the key advancements that contribute to our system include: a nearest-neighbor discriminant analysis (NDA)…

Computation and Language · Computer Science 2016-05-06 Seyed Omid Sadjadi , Jason Pelecanos , Sriram Ganapathy

Creating Speaker Verification (SV) systems for classroom settings that are robust to classroom noises such as babble noise is crucial for the development of AI tools that assist educational environments. In this work, we study the efficacy…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-01 Saba Tabatabaee , Jing Liu , Carol Espy-Wilson

A recent line of research on spoken language assessment (SLA) employs neural models such as BERT and wav2vec 2.0 (W2V) to evaluate speaking proficiency across linguistic and acoustic modalities. Although both models effectively capture…

Computation and Language · Computer Science 2025-09-12 Hong-Yun Lin , Tien-Hong Lo , Yu-Hsuan Fang , Jhen-Ke Lin , Chung-Chun Wang , Hao-Chien Lu , Berlin Chen

The convolutional neural network (CNN) based approaches have shown great success for speaker verification (SV) tasks, where modeling long temporal context and reducing information loss of speaker characteristics are two important challenges…

Sound · Computer Science 2021-08-31 Yanfeng Wu , Chenkai Guo , Junan Zhao , Xiao Jin , Jing Xu

This paper proposes the target speaker enhancement based speaker verification network (TASE-SVNet), an all neural model that couples target speaker enhancement and speaker embedding extraction for robust speaker verification (SV).…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-17 Chunlei Zhang , Meng Yu , Chao Weng , Dong Yu