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Deep speaker embeddings have become the leading method for encoding speaker identity in speaker recognition tasks. The embedding space should ideally capture the variations between all possible speakers, encoding the multiple acoustic…

Sound · Computer Science 2021-04-26 Chau Luu , Peter Bell , Steve Renals

This paper presents a method of sequence-to-sequence (seq2seq) voice conversion using non-parallel training data. In this method, disentangled linguistic and speaker representations are extracted from acoustic features, and voice conversion…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-14 Jing-Xuan Zhang , Zhen-Hua Ling , Li-Rong Dai

Recently, the standard variational autoencoder has been successfully used to learn a probabilistic prior over speech signals, which is then used to perform speech enhancement. Variational autoencoders have then been conditioned on a label…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-04 Guillaume Carbajal , Julius Richter , Timo Gerkmann

In this paper, we propose a new Self-Supervised Learning (SSL) algorithm called data2vec-aqc, for speech representation learning from unlabeled speech data. Our goal is to improve SSL for speech in domains where both unlabeled and labeled…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-16 Vasista Sai Lodagala , Sreyan Ghosh , S. Umesh

Direct speech-to-text translation systems encounter an important drawback in data scarcity. A common solution consists on pretraining the encoder on automatic speech recognition, hence losing efficiency in the training process. In this…

Computation and Language · Computer Science 2024-09-27 Belen Alastruey , Gerard I. Gállego , Marta R. Costa-jussà

Brain-computer interface (BCI) is the technology that enables the communication between humans and devices by reflecting status and intentions of humans. When conducting imagined speech, the users imagine the pronunciation as if actually…

Human-Computer Interaction · Computer Science 2021-12-15 Dae-Hyeok Lee , Sung-Jin Kim , Keon-Woo Lee

Unsupervised pre-training is now the predominant approach for both text and speech understanding. Self-attention models pre-trained on large amounts of unannotated data have been hugely successful when fine-tuned on downstream tasks from a…

Computation and Language · Computer Science 2021-10-22 Ankur Bapna , Yu-an Chung , Nan Wu , Anmol Gulati , Ye Jia , Jonathan H. Clark , Melvin Johnson , Jason Riesa , Alexis Conneau , Yu Zhang

Invasive brain-computer interfaces with Electrocorticography (ECoG) have shown promise for high-performance speech decoding in medical applications, but less damaging methods like intracranial stereo-electroencephalography (sEEG) remain…

Signal Processing · Electrical Eng. & Systems 2024-11-04 Hui Zheng , Hai-Teng Wang , Wei-Bang Jiang , Zhong-Tao Chen , Li He , Pei-Yang Lin , Peng-Hu Wei , Guo-Guang Zhao , Yun-Zhe Liu

Decoding speech from brain activity has typically relied on limited neural recordings collected during short and highly controlled experiments. Here, we introduce a framework to leverage week-long intracranial and audio recordings from…

We describe a method to jointly pre-train speech and text in an encoder-decoder modeling framework for speech translation and recognition. The proposed method incorporates four self-supervised and supervised subtasks for cross modality…

Computation and Language · Computer Science 2022-04-13 Yun Tang , Hongyu Gong , Ning Dong , Changhan Wang , Wei-Ning Hsu , Jiatao Gu , Alexei Baevski , Xian Li , Abdelrahman Mohamed , Michael Auli , Juan Pino

Speech 'in-the-wild' is a handicap for speaker recognition systems due to the variability induced by real-life conditions, such as environmental noise and the emotional state of the speaker. Taking advantage of the principles of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-17 Esther Rituerto-González , Carmen Peláez-Moreno

This work focuses on inner speech recognition starting from EEG signals. Inner speech recognition is defined as the internalized process in which the person thinks in pure meanings, generally associated with an auditory imagery of own inner…

Human-Computer Interaction · Computer Science 2023-10-26 Francesca Gasparini , Elisa Cazzaniga , Aurora Saibene

Decoding language from brain dynamics is an important open direction in the realm of brain-computer interface (BCI), especially considering the rapid growth of large language models. Compared to invasive-based signals which require…

Computation and Language · Computer Science 2024-06-04 Yiqian Yang , Yiqun Duan , Qiang Zhang , Hyejeong Jo , Jinni Zhou , Won Hee Lee , Renjing Xu , Hui Xiong

Wav2vec 2.0 is a recently proposed self-supervised framework for speech representation learning. It follows a two-stage training process of pre-training and fine-tuning, and performs well in speech recognition tasks especially ultra-low…

Sound · Computer Science 2021-01-15 Zhiyun Fan , Meng Li , Shiyu Zhou , Bo Xu

Significant strides have been made in creating voice identity representations using speech data. However, the same level of progress has not been achieved for singing voices. To bridge this gap, we suggest a framework for training singer…

Sound · Computer Science 2024-01-11 Bernardo Torres , Stefan Lattner , Gaël Richard

Speech coding facilitates the transmission of speech over low-bandwidth networks with minimal distortion. Neural-network based speech codecs have recently demonstrated significant improvements in quality over traditional approaches. While…

Sound · Computer Science 2022-07-07 Ali Siahkoohi , Michael Chinen , Tom Denton , W. Bastiaan Kleijn , Jan Skoglund

Speech decoding from EEG signals is a challenging task, where brain activity is modeled to estimate salient characteristics of acoustic stimuli. We propose FESDE, a novel framework for Fully-End-to-end Speech Decoding from EEG signals. Our…

Signal Processing · Electrical Eng. & Systems 2024-06-14 Jihwan Lee , Aditya Kommineni , Tiantian Feng , Kleanthis Avramidis , Xuan Shi , Sudarsana Kadiri , Shrikanth Narayanan

Recently, variational autoencoders have been successfully used to learn a probabilistic prior over speech signals, which is then used to perform speech enhancement. However, variational autoencoders are trained on clean speech only, which…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-18 Guillaume Carbajal , Julius Richter , Timo Gerkmann

Despite extensive standardization, diagnostic interviews for mental health disorders encompass substantial subjective judgment. Previous studies have demonstrated that EEG-based neural measures can function as reliable objective correlates…

Machine Learning · Computer Science 2020-11-19 Garrett Honke , Irina Higgins , Nina Thigpen , Vladimir Miskovic , Katie Link , Sunny Duan , Pramod Gupta , Julia Klawohn , Greg Hajcak

We present neural activation coding (NAC) as a novel approach for learning deep representations from unlabeled data for downstream applications. We argue that the deep encoder should maximize its nonlinear expressivity on the data for…

Machine Learning · Computer Science 2021-12-09 Yookoon Park , Sangho Lee , Gunhee Kim , David M. Blei