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Deep Feature CycleGANs: Speaker Identity Preserving Non-parallel Microphone-Telephone Domain Adaptation for Speaker Verification


Apr 03, 2021
Saurabh Kataria, Jesús Villalba, Piotr Żelasko, Laureano Moro-Velázquez, Najim Dehak


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Unsupervised Acoustic Unit Discovery by Leveraging a Language-Independent Subword Discriminative Feature Representation


Apr 02, 2021
Siyuan Feng, Piotr Żelasko, Laureano Moro-Velázquez, Odette Scharenborg

* Submitted to INTERSPEECH 2021 

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Adversarial Attacks and Defenses for Speech Recognition Systems


Mar 31, 2021
Piotr Żelasko, Sonal Joshi, Yiwen Shao, Jesus Villalba, Jan Trmal, Najim Dehak, Sanjeev Khudanpur

* This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible 

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Adversarial Attacks and Defenses for Speaker Identification Systems


Jan 22, 2021
Sonal Joshi, Jesús Villalba, Piotr Żelasko, Laureano Moro-Velázquez, Najim Dehak

* This work has been submitted to the IEEE for possible publication. Copyright may be transferred without notice, after which this version may no longer be accessible 

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Focus on the present: a regularization method for the ASR source-target attention layer


Nov 02, 2020
Nanxin Chen, Piotr Żelasko, Jesús Villalba, Najim Dehak

* submitted to ICASSP2021. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works 

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CopyPaste: An Augmentation Method for Speech Emotion Recognition


Oct 27, 2020
Raghavendra Pappagari, Jesús Villalba, Piotr Żelasko, Laureano Moro-Velazquez, Najim Dehak

* Under ICASSP2021 peer-review 

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How Phonotactics Affect Multilingual and Zero-shot ASR Performance


Oct 22, 2020
Siyuan Feng, Piotr Żelasko, Laureano Moro-Velázquez, Ali Abavisani, Mark Hasegawa-Johnson, Odette Scharenborg, Najim Dehak

* Submitted to ICASSP 2021. The first 2 authors contributed equally to this work 

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WER we are and WER we think we are


Oct 07, 2020
Piotr Szymański, Piotr Żelasko, Mikolaj Morzy, Adrian Szymczak, Marzena Żyła-Hoppe, Joanna Banaszczak, Lukasz Augustyniak, Jan Mizgajski, Yishay Carmiel

* Accepted to EMNLP Findings 

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Self-Expressing Autoencoders for Unsupervised Spoken Term Discovery


Jul 26, 2020
Saurabhchand Bhati, Jesús Villalba, Piotr Żelasko, Najim Dehak


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That Sounds Familiar: an Analysis of Phonetic Representations Transfer Across Languages


May 16, 2020
Piotr Żelasko, Laureano Moro-Velázquez, Mark Hasegawa-Johnson, Odette Scharenborg, Najim Dehak

* Submitted to Interspeech 2020. For some reason, the ArXiv Latex engine rendered it in more than 4 pages 

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Hierarchical Transformers for Long Document Classification


Oct 23, 2019
Raghavendra Pappagari, Piotr Żelasko, Jesús Villalba, Yishay Carmiel, Najim Dehak

* Automatic Speech Recognition and Understanding Workshop, 2019 
* 4 figures, 7 pages 

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Avaya Conversational Intelligence: A Real-Time System for Spoken Language Understanding in Human-Human Call Center Conversations


Sep 02, 2019
Jan Mizgajski, Adrian Szymczak, Robert Głowski, Piotr Szymański, Piotr Żelasko, Łukasz Augustyniak, Mikołaj Morzy, Yishay Carmiel, Jeff Hodson, Łukasz Wójciak, Daniel Smoczyk, Adam Wróbel, Bartosz Borowik, Adam Artajew, Marcin Baran, Cezary Kwiatkowski, Marzena Żyła-Hoppe

* Accepted for Interspeech 2019 

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Towards Better Understanding of Spontaneous Conversations: Overcoming Automatic Speech Recognition Errors With Intent Recognition


Aug 21, 2019
Piotr Żelasko, Jan Mizgajski, Mikołaj Morzy, Adrian Szymczak, Piotr Szymański, Łukasz Augustyniak, Yishay Carmiel


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Punctuation Prediction Model for Conversational Speech


Jul 02, 2018
Piotr Żelasko, Piotr Szymański, Jan Mizgajski, Adrian Szymczak, Yishay Carmiel, Najim Dehak

* Accepted for Interspeech 2018 Conference 

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Expanding Abbreviations in a Strongly Inflected Language: Are Morphosyntactic Tags Sufficient?


May 27, 2018
Piotr Żelasko

* Presented on 11th May 2018 at Language Resources and Evaluation Conference in Miyazaki, Japan 

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