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09/15/2023
DiaCorrect: Error Correction Back-end For Speaker Diarization
In this work, we propose an error correction framework, named DiaCorrect...
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05/23/2023
Multi-Stream Extension of Variational Bayesian HMM Clustering (MS-VBx) for Combined End-to-End and Vector Clustering-based Diarization
Combining end-to-end neural speaker diarization (EEND) with vector clust...
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05/21/2023
Hystoc: Obtaining word confidences for fusion of end-to-end ASR systems
End-to-end (e2e) systems have recently gained wide popularity in automat...
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03/07/2023
Stabilized training of joint energy-based models and their practical applications
The recently proposed Joint Energy-based Model (JEM) interprets discrimi...
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11/12/2022
Multi-Speaker and Wide-Band Simulated Conversations as Training Data for End-to-End Neural Diarization
End-to-end diarization presents an attractive alternative to standard ca...
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11/03/2022
Speech-based emotion recognition with self-supervised models using attentive channel-wise correlations and label smoothing
When recognizing emotions from speech, we encounter two common problems:...
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10/28/2022
Parameter-efficient transfer learning of pre-trained Transformer models for speaker verification using adapters
Recently, the pre-trained Transformer models have received a rising inte...
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10/27/2022
Toroidal Probabilistic Spherical Discriminant Analysis
In speaker recognition, where speech segments are mapped to embeddings o...
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10/15/2022
Extracting speaker and emotion information from self-supervised speech models via channel-wise correlations
Self-supervised learning of speech representations from large amounts of...
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04/02/2022
From Simulated Mixtures to Simulated Conversations as Training Data for End-to-End Neural Diarization
End-to-end neural diarization (EEND) is nowadays one of the most promine...
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04/02/2022
Speaker adaptation for Wav2vec2 based dysarthric ASR
Dysarthric speech recognition has posed major challenges due to lack of ...
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03/28/2022
Probabilistic Spherical Discriminant Analysis: An Alternative to PLDA for length-normalized embeddings
In speaker recognition, where speech segments are mapped to embeddings o...
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11/11/2021
MultiSV: Dataset for Far-Field Multi-Channel Speaker Verification
Motivated by unconsolidated data situation and the lack of a standard be...
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10/31/2021
Revisiting joint decoding based multi-talker speech recognition with DNN acoustic model
In typical multi-talker speech recognition systems, a neural network-bas...
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10/22/2021
GPU-Accelerated Forward-Backward algorithm with Application to Lattice-Free MMI
We propose to express the forward-backward algorithm in terms of operati...
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04/13/2021
EAT: Enhanced ASR-TTS for Self-supervised Speech Recognition
Self-supervised ASR-TTS models suffer in out-of-domain data conditions. ...
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04/06/2021
Speaker embeddings by modeling channel-wise correlations
Speaker embeddings extracted with deep 2D convolutional neural networks ...
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12/29/2020
Bayesian HMM clustering of x-vector sequences (VBx) in speaker diarization: theory, implementation and analysis on standard tasks
The recently proposed VBx diarization method uses a Bayesian hidden Mark...
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11/11/2020
Text Augmentation for Language Models in High Error Recognition Scenario
We examine the effect of data augmentation for training of language mode...
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11/04/2020
A Hierarchical Subspace Model for Language-Attuned Acoustic Unit Discovery
In this work, we propose a hierarchical subspace model for acoustic unit...
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10/22/2020
Analysis of the BUT Diarization System for VoxConverse Challenge
This paper describes the system developed by the BUT team for the fourth...
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10/22/2020
A Technical Report: BUT Speech Translation Systems
The paper describes the BUT's speech translation systems. The systems ar...
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07/02/2020
Bayesian multilingual topic model for zero-shot cross-lingual topic identification
This paper presents a Bayesian multilingual topic model for learning lan...
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04/06/2020
Probabilistic embeddings for speaker diarization
Speaker embeddings (x-vectors) extracted from very short segments of spe...
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12/13/2019
Short-duration Speaker Verification (SdSV) Challenge 2020: the Challenge Evaluation Plan
This document describes task1 of the Short-Duration Speaker Verification...
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12/08/2019
A Multi Purpose and Large Scale Speech Corpus in Persian and English for Speaker and Speech Recognition: the DeepMine Database
DeepMine is a speech database in Persian and English designed to build a...
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08/20/2019
Learning document embeddings along with their uncertainties
Majority of the text modelling techniques yield only point estimates of ...
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07/13/2019
Acoustic Scene Classification Using Fusion of Attentive Convolutional Neural Networks for DCASE2019 Challenge
In this report, the Brno University of Technology (BUT) team submissions...
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07/13/2019
BUT VOiCES 2019 System Description
This is a description of our effort in VOiCES 2019 Speaker Recognition c...
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07/13/2019
Detecting Spoofing Attacks Using VGG and SincNet: BUT-Omilia Submission to ASVspoof 2019 Challenge
In this paper, we present the system description of the joint efforts of...
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04/30/2019
Self-supervised Sequence-to-sequence ASR using Unpaired Speech and Text
Sequence-to-sequence ASR models require large quantities of data to atta...
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04/08/2019
Bayesian Subspace Hidden Markov Model for Acoustic Unit Discovery
This work tackles the problem of learning a set of language specific aco...
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04/06/2019
Self-supervised speaker embeddings
Contrary to i-vectors, speaker embeddings such as x-vectors are incapabl...
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04/05/2019
Factorization of Discriminatively Trained i-vector Extractor for Speaker Recognition
In this work, we continue in our research on i-vector extractor for spea...
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02/25/2019
BUT-FIT at SemEval-2019 Task 7: Determining the Rumour Stance with Pre-Trained Deep Bidirectional Transformers
This paper describes our system submitted to SemEval 2019 Task 7: Rumour...
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11/19/2018
Analysis of DNN Speech Signal Enhancement for Robust Speaker Recognition
In this work, we present an analysis of a DNN-based autoencoder for spee...
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11/07/2018
Promising Accurate Prefix Boosting for sequence-to-sequence ASR
In this paper, we present promising accurate prefix boosting (PAPB), a d...
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11/06/2018
Speaker verification using end-to-end adversarial language adaptation
In this paper we investigate the use of adversarial domain adaptation fo...
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11/05/2018
How to Improve Your Speaker Embeddings Extractor in Generic Toolkits
Recently, speaker embeddings extracted with deep neural networks became ...
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10/31/2018
Discriminatively Re-trained i-vector Extractor for Speaker Recognition
In this work we revisit discriminative training of the i-vector extracto...
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10/01/2018
Convolutional Neural Networks and x-vector Embedding for DCASE2018 Acoustic Scene Classification Challenge
In this paper, the Brno University of Technology (BUT) team submissions ...
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09/28/2018
Spoken Pass-Phrase Verification in the i-vector Space
The task of spoken pass-phrase verification is to decide whether a test ...
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08/06/2018
Residual Memory Networks: Feed-forward approach to learn long temporal dependencies
Training deep recurrent neural network (RNN) architectures is complicate...
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03/24/2018
Fast variational Bayes for heavy-tailed PLDA applied to i-vectors and x-vectors
The standard state-of-the-art backend for text-independent speaker recog...
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02/27/2018
Gaussian meta-embeddings for efficient scoring of a heavy-tailed PLDA model
Embeddings in machine learning are low-dimensional representations of co...
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02/16/2018
Bayesian Models for Unit Discovery on a Very Low Resource Language
Developing speech technologies for low-resource languages has become a v...
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10/06/2017
End-to-end DNN Based Speaker Recognition Inspired by i-vector and PLDA
Recently several end-to-end speaker verification systems based on deep n...
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02/05/2017
