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Related papers: Probing the Information Encoded in X-vectors

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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…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-15 Bin Gu , Wu Guo

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

Speaker embeddings are ubiquitous, with applications ranging from speaker recognition and diarization to speech synthesis and voice anonymisation. The amount of information held by these embeddings lends them versatility, but also raises…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-12 Francisco Teixeira , Alberto Abad , Bhiksha Raj , Isabel Trancoso

State-of-the-art approaches to speaker anonymization typically employ some form of perturbation function to conceal speaker information contained within an x-vector embedding, then resynthesize utterances in the voice of a new…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-06 Michele Panariello , Massimiliano Todisco , Nicholas Evans

In this paper, adaptive mechanisms are applied in deep neural network (DNN) training for x-vector-based text-independent speaker verification. First, adaptive convolutional neural networks (ACNNs) are employed in frame-level embedding…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-18 Bin Gu , Wu Guo , Lirong Dai , Jun Du

Applying x-vectors for speaker verification has recently attracted great interest, with the focus being on text-independent speaker verification. In this paper, we study x-vectors for text-dependent speaker verification (TD-SV), which…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-02 Achintya Kumar Sarkar , Zheng-Hua Tan

The potential of speech as a non-invasive biomarker to assess a speaker's health has been repeatedly supported by the results of multiple works, for both physical and psychological conditions. Traditional systems for speech-based disease…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-02 Catarina Botelho , Francisco Teixeira , Thomas Rolland , Alberto Abad , Isabel Trancoso

Disentanglement is the task of learning representations that identify and separate factors that explain the variation observed in data. Disentangled representations are useful to increase the generalizability, explainability, and fairness…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-09 Michael Kuhlmann , Adrian Meise , Fritz Seebauer , Petra Wagner , Reinhold Haeb-Umbach

An embedding-based speaker adaptive training (SAT) approach is proposed and investigated in this paper for deep neural network acoustic modeling. In this approach, speaker embedding vectors, which are a constant given a particular speaker,…

Computation and Language · Computer Science 2017-10-20 Xiaodong Cui , Vaibhava Goel , George Saon

While the use of deep neural networks has significantly boosted speaker recognition performance, it is still challenging to separate speakers in poor acoustic environments. Here speech enhancement methods have traditionally allowed improved…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-28 Yanpei Shi , Qiang Huang , Thomas Hain

Challenges based on Computational Paralinguistics in the INTERSPEECH Conference have always had a good reception among the attendees owing to its competitive academic and research demands. This year, the INTERSPEECH 2020 Computational…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-25 José Vicente Egas-López

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

We present a transformer-based architecture for voice separation of a target speaker from multiple other speakers and ambient noise. We achieve this by using two separate neural networks: (A) An enrolment network designed to craft…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-03 Akam Rahimi , Triantafyllos Afouras , Andrew Zisserman

Recently, direct modeling of raw waveforms using deep neural networks has been widely studied for a number of tasks in audio domains. In speaker verification, however, utilization of raw waveforms is in its preliminary phase, requiring…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-18 Jee-weon Jung , Hee-Soo Heo , Ju-ho Kim , Hye-jin Shim , Ha-Jin Yu

In this paper, we propose an innovative approach to perform speaker recognition by fusing two recently introduced deep neural networks (DNNs) namely - SincNet and X-Vector. The idea behind using SincNet filters on the raw speech waveform is…

Computation and Language · Computer Science 2020-04-07 Mayank Tripathi , Divyanshu Singh , Seba Susan

Deep neural networks (DNN) have recently been widely used in speaker recognition systems, achieving state-of-the-art performance on various benchmarks. The x-vector architecture is especially popular in this research community, due to its…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-13 Munir Georges , Jonathan Huang , Tobias Bocklet

We explore why deep convolutional neural networks (CNNs) with small two-dimensional kernels, primarily used for modeling spatial relations in images, are also effective in speech recognition. We analyze the representations learned by deep…

Computation and Language · Computer Science 2018-11-13 Joanna Rownicka , Peter Bell , Steve Renals

We introduce a monaural neural speaker embeddings extractor that computes an embedding for each speaker present in a speech mixture. To allow for supervised training, a teacher-student approach is employed: the teacher computes the target…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-20 Tobias Cord-Landwehr , Christoph Boeddeker , Cătălin Zorilă , Rama Doddipatla , Reinhold Haeb-Umbach

Speaker recognition is a biometric modality that utilizes the speaker's speech segments to recognize the identity, determining whether the test speaker belongs to one of the enrolled speakers. In order to improve the robustness of the…

Sound · Computer Science 2023-07-07 Zhifeng Wang , Chunyan Zeng , Surong Duan , Hongjie Ouyang , Hongmin Xu

Learning robust speaker embeddings is a crucial step in speaker diarization. Deep neural networks can accurately capture speaker discriminative characteristics and popular deep embeddings such as x-vectors are nowadays a fundamental…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-14 Nauman Dawalatabad , Mirco Ravanelli , François Grondin , Jenthe Thienpondt , Brecht Desplanques , Hwidong Na