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2024

  • ASVspoof 5: Crowdsourced speech data, deepfakes, and adversarial attacks at scale

    Xin Wang, Hector Delgado, Hemlata Tak, Jee-weon Jung, Hye-jin Shim, Massimiliano Todisco, Ivan Kukanov, Xuechen Liu, Md Sahidullah, Tomi Kinnunen, Nicholas Evans, Kong Aik Lee, Junichi Yamagishi
    ISCA Satellite ASVspoof 2024 workshop paper

  • Source Tracing of Audio Deepfake Systems
    Nicholas Klein, Tianxiang Chen, Hemlata Tak, Ricardo Casal, Elie Khoury Interspeech 2024 Paper Protocol

  • Harder or Different? Understanding Generalization of Audio Deepfake Detection
    Nicolas M Müller, Nicholas Evans, Hemlata Tak, Philip Sperl, Konstantin Böttinger Interspeech 2024 Paper

  • To what extent can ASV systems naturally defend against spoofing attacks?
    Jee-weon Jung, Xin Wang, Nicholas Evans, Shinji Watanabe, Hye-jin Shim, Hemlata Tak, Sidhhant Arora, Junichi Yamagishi, Joon Son Chung Interspeech 2024
    Paper

2023

PhD Thesis

  • End-to-End Modeling for Speech Spoofing and Deepfake Detection
    Hemlata Tak
    Thesis Slides

Invited research talk

  • From Artefacts to Insights:A Topical Analysis of Voice Biometric Security
    Hemlata Tak, Massimiliano Todisco

    Joint Workshop of VoicePersonae and ASVspoof 2023, NII, Tokyo, Japan
    Slides

Interspeech 2023 Tutorial

  • Advances in Audio Anti-spoofing and Deepfake Detection using Graph Neural Networks and Self-supervised Learning
    Jee-weon Jung, Hye-jin Shim, Hemlata Tak, Xin Wang
    Interspeech 2023
    Slides & code

Journal

  • t-EER: Parameter-Free Tandem Evaluation of Countermeasures and Biometric Comparators
    Tomi H. Kinnunen, Kong Aik Lee, Hemlata Tak, Nicholas Evans, Andreas Nautsch
    IEEE transactions on pattern analysis and machine intelligence (TPAMI) 2023
    Paper Code Python notebook

Conference publications

  • Malafide: a novel adversarial convolutive noise attack against deepfake and spoofing detection systems
    Michele Panariello, Wanying Ge, Hemlata Tak, Massimiliano Todisco, Nicholas Evans
    Interspeech 2023
    Paper Code

  • Towards single integrated spoofing-aware speaker verification embeddings
    Sung Hwan Mun, Hye-jin Shim, Hemlata Tak, Xin Wang, Xuechen Liu, Md Sahidullah, Myeonghun Jeong, Min Hyun Han, Massimiliano Todisco,Kong Aik Lee, Junichi Yamagishi, Nicholas Evans, Tomi Kinnunen, Nam Soo Kim, Jee-weon Jung
    Interspeech 2023
    Paper Code

  • Can spoofing countermeasure and speaker verification systems be jointly optimised?
    Wanying Ge, Hemlata Tak, Massimiliano Todisco, Nicholas Evans
    IEEE ICASSP 2023
    Paper Code

2022

  • On the potential of jointly-optimised solutions to spoofing attack detection and automatic speaker verification
    Wanying Ge, Hemlata Tak, Massimiliano Todisco, Nicholas Evans
    ISCA IberSPEECH 2022 (Best paper award)
    Paper Code

  • SASV 2022: The First Spoofing-Aware Speaker Verification Challenge
    Jee-weon Jung, Hemlata Tak, Hye-jin Shim, Hee-Soo Heo, Bong-Jin Lee, Soo-Whan Chung, Ha-Jin Yu, Nicholas Evans, Tomi Kinnunen Interspeech 2022
    Paper Code

  • Automatic speaker verification spoofing and deepfake detection using wav2vec 2.0 and data augmentation
    Hemlata Tak, Massimiliano Todisco, Xin Wang, Jee-weon Jung, Junichi Yamagishi, Nicholas Evans
    The Speaker and Language Recognition Workshop (Odyssey 2022)
    Paper Code

  • Baseline systems for the first spoofing-aware speaker verification challenge: score and embedding fusion
    Hye-jin Shim, Hemlata Tak, Xuechen Liu, Hee-Soo Heo, Jee-weon Jung, Joon Son Chung, Soo-Whan Chung, Ha-Jin Yu, Bong-Jin Lee, Massimiliano Todisco, Héctor Delgado, Kong Aik Lee, Md Sahidullah, Tomi Kinnunen, Nicholas Evans
    The Speaker and Language Recognition Workshop (Odyssey 2022)
    Paper

  • Rawboost: A raw data boosting and augmentation method applied to automatic speaker verification anti-spoofing
    Hemlata Tak, Madhu Kamble, Jose Patino, Massimiliano Todisco, Nicholas Evans
    IEEE ICASSP 2022
    Paper Code

  • Aasist: Audio anti-spoofing using integrated spectro-temporal graph attention networks
    Jee-weon Jung, Hee-Soo Heo, Hemlata Tak, Hye-jin Shim, Joon Son Chung, Bong-Jin Lee, Ha-Jin Yu, Nicholas Evans IEEE ICASSP 2022
    Paper Code

2021

  • End-to-end spectro-temporal graph attention networks for speaker verification anti-spoofing and speech deepfake detection
    Hemlata Tak, Jee-weon Jung, Jose Patino, Madhu Kamble, Massimiliano Todisco, Nicholas Evans
    2021 Edition of the Automatic Speaker Verification and Spoofing Countermeasures Challenge (Interspeech 2021 satellite workshop)
    Paper Code

  • Graph attention networks for anti-spoofing
    Hemlata Tak, Jee-weon Jung, Jose Patino, Massimiliano Todisco, Nicholas Evans
    Interspeech 2021
    Paper

  • Privacy-Preserving Voice Anti-Spoofing Using Secure Multi-Party Computation
    Oubaïda Chouchane, Baptiste Brossier, Jorge Esteban Gamboa Gamboa, Thomas Lardy, Hemlata Tak, Orhan Ermis, Madhu R Kamble, Jose Patino, Nicholas WD Evans, Melek Önen, Massimiliano Todisco
    Interspeech 2021
    Paper

  • End-to-end anti-spoofing with rawnet2
    Hemlata Tak, Jose Patino, Massimiliano Todisco, Andreas Nautsch, Nicholas Evans, Anthony Larcher IEEE ICASSP 2021
    Paper Code

2020

  • Amplitude and frequency modulation-based features for detection of replay spoof speech
    Madhu R Kamble, Hemlata Tak, Hemant A Patil
    Speech Communication 2020
    Paper

  • Spoofing attack detection using the non-linear fusion of sub-band classifiers
    Hemlata Tak, Jose Patino, Andreas Nautsch, Nicholas Evans, Massimiliano Todisco
    Interspeech 2020
    Paper

  • An explainability study of the constant Q cepstral coefficient spoofing countermeasure for automatic speaker verification
    Hemlata Tak, Jose Patino, Andreas Nautsch, Nicholas Evans, Massimiliano Todisco
    The Speaker and Language Recognition Workshop 2020
    Paper

2018

  • Novel Linear Frequency Residual Cepstral Features for Replay Attack Detection
    Hemlata Tak, Hemant A Patil Interspeech 2018
    Paper

  • Effectiveness of Speech Demodulation-Based Features for Replay Detection
    Madhu R Kamble, Hemlata Tak, Hemant A Patil Interspeech 2018
    Paper

  • Novel demodulation-based features using classifier-level fusion of GMM and CNN for replay detection
    Madhu R Kamble, Hemlata Tak, Maddala V Siva Krishna, Hemant A Patil 11th International Symposium on Chinese Spoken Language Processing (ISCSLP) 2018
    Paper