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Recently proposed self-supervised learning approaches have been successful for pre-training speech representation models. The utility of these learned representations has been observed empirically, but not much has been studied about the…

Computation and Language · Computer Science 2022-12-06 Ankita Pasad , Ju-Chieh Chou , Karen Livescu

Sequence-to-sequence automatic speech recognition (ASR) models require large quantities of data to attain high performance. For this reason, there has been a recent surge in interest for unsupervised and semi-supervised training in such…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-21 Murali Karthick Baskar , Shinji Watanabe , Ramon Astudillo , Takaaki Hori , Lukáš Burget , Jan Černocký

Over the last few years, deep learning has grown in popularity for speaker verification, identification, and diarization. Inarguably, a significant part of this success is due to the demonstrated effectiveness of their speaker…

Sound · Computer Science 2022-10-07 Yehoshua Dissen , Felix Kreuk , Joseph Keshet

Unsupervised cross-lingual speech representation learning (XLSR) has recently shown promising results in speech recognition by leveraging vast amounts of unlabeled data across multiple languages. However, standard XLSR model suffers from…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-10 Yizhou Lu , Mingkun Huang , Xinghua Qu , Pengfei Wei , Zejun Ma

Due to the lack of target speech annotations in real-recorded far-field conversational datasets, speech enhancement (SE) models are typically trained on simulated data. However, the trained models often perform poorly in real-world…

Sound · Computer Science 2025-06-24 Longjie Luo , Lin Li , Qingyang Hong

We enhance the vanilla adversarial training method for unsupervised Automatic Speech Recognition (ASR) by a diffusion-GAN. Our model (1) injects instance noises of various intensities to the generator's output and unlabeled reference text…

Computation and Language · Computer Science 2023-03-27 Xianchao Wu

Compressing self-supervised models has become increasingly necessary, as self-supervised models become larger. While previous approaches have primarily focused on compressing the model size, shortening sequences is also effective in…

Computation and Language · Computer Science 2022-10-26 Yen Meng , Hsuan-Jui Chen , Jiatong Shi , Shinji Watanabe , Paola Garcia , Hung-yi Lee , Hao Tang

Self-training has been shown to be helpful in addressing data scarcity for many domains, including vision, speech, and language. Specifically, self-training, or pseudo-labeling, labels unsupervised data and adds that to the training pool.…

Computation and Language · Computer Science 2022-12-21 Mozhdeh Gheini , Tatiana Likhomanenko , Matthias Sperber , Hendra Setiawan

In this paper, we study training of automatic speech recognition system in a weakly supervised setting where the order of words in transcript labels of the audio training data is not known. We train a word-level acoustic model which…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-20 Vineel Pratap , Qiantong Xu , Tatiana Likhomanenko , Gabriel Synnaeve , Ronan Collobert

In speech recognition, it is essential to model the phonetic content of the input signal while discarding irrelevant factors such as speaker variations and noise, which is challenging in low-resource settings. Self-supervised pre-training…

Computation and Language · Computer Science 2023-01-04 Sreepratha Ram , Hanan Aldarmaki

The parallel advances in language modeling and speech representation learning have raised the prospect of learning language directly from speech without textual intermediates. This requires extracting semantic representations directly from…

Automatic speech recognition (ASR) has been extensively studied on neutral and stationary speech, yet its robustness under post-exercise physiological shift remains underexplored. Compared with resting speech, post-exercise speech often…

Sound · Computer Science 2026-03-31 Xiangyuan Xue , Yuyu Wang , Ruijie Yao , Xiaoyue Ni , Xiaofan Jiang , Jingping Nie

Presently, punctuation restoration models are evaluated almost solely on well-structured, scripted corpora. On the other hand, real-world ASR systems and post-processing pipelines typically apply towards spontaneous speech with significant…

Computation and Language · Computer Science 2024-09-18 Xing Yi Liu , Homayoon Beigi

Audio-based automatic speech recognition (ASR) degrades significantly in noisy environments and is particularly vulnerable to interfering speech, as the model cannot determine which speaker to transcribe. Audio-visual speech recognition…

Sound · Computer Science 2022-07-18 Bowen Shi , Wei-Ning Hsu , Abdelrahman Mohamed

This paper enhances dysarthric and dysphonic speech recognition by fine-tuning pretrained automatic speech recognition (ASR) models on the 2023-10-05 data package of the Speech Accessibility Project (SAP), which contains the speech of 253…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-01 Xiuwen Zheng , Bornali Phukon , Mark Hasegawa-Johnson

Pseudo-labeling (PL) has been shown to be effective in semi-supervised automatic speech recognition (ASR), where a base model is self-trained with pseudo-labels generated from unlabeled data. While PL can be further improved by iteratively…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Yosuke Higuchi , Niko Moritz , Jonathan Le Roux , Takaaki Hori

Self-supervised speech pre-training empowers the model with the contextual structure inherent in the speech signal while self-supervised text pre-training empowers the model with linguistic information. Both of them are beneficial for…

Sound · Computer Science 2022-11-28 Zhuoyuan Yao , Shuo Ren , Sanyuan Chen , Ziyang Ma , Pengcheng Guo , Lei Xie

In speech processing pipelines, improving the quality and intelligibility of real-world recordings is crucial. While supervised regression is the primary method for speech enhancement, audio tokenization is emerging as a promising…

Sound · Computer Science 2025-07-18 Luca Della Libera , Cem Subakan , Mirco Ravanelli

Recent advancements in Self-Supervised Learning (SSL) have shown promising results in Speaker Verification (SV). However, narrowing the performance gap with supervised systems remains an ongoing challenge. Several studies have observed that…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-25 Victor Miara , Theo Lepage , Reda Dehak

Speech separation has been successfully applied as a frontend processing module of conversation transcription systems thanks to its ability to handle overlapped speech and its flexibility to combine with downstream tasks such as automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-06 Jian Wu , Zhuo Chen , Sanyuan Chen , Yu Wu , Takuya Yoshioka , Naoyuki Kanda , Shujie Liu , Jinyu Li