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In this paper, we analyzed how audio-visual speech enhancement can help to perform the ASR task in a cocktail party scenario. Therefore we considered two simple end-to-end LSTM-based models that perform single-channel audio-visual speech…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-28 Luca Pasa , Giovanni Morrone , Leonardo Badino

Recent research shows end-to-end ASR systems can recognize overlapped speech from multiple speakers. However, all published works have assumed no latency constraints during inference, which does not hold for most voice assistant…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-22 Ilya Sklyar , Anna Piunova , Yulan Liu

Diffusion-based generative speech enhancement (SE) has recently received attention, but reverse diffusion remains time-consuming. One solution is to initialize the reverse diffusion process with enhanced features estimated by a predictive…

Self-supervised learning, such as with the wav2vec 2.0 framework significantly improves the accuracy of end-to-end automatic speech recognition (ASR). Wav2vec 2.0 has been applied to single-channel end-to-end ASR models. In this work, we…

Computation and Language · Computer Science 2024-08-07 Atsushi Kojima

Discrete speech representations have garnered recent attention for their efficacy in training transformer-based models for various speech-related tasks such as automatic speech recognition (ASR), translation, speaker verification, and joint…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-26 Kunal Dhawan , Nithin Rao Koluguri , Ante Jukić , Ryan Langman , Jagadeesh Balam , Boris Ginsburg

The popular frameworks for self-supervised learning of speech representations have largely focused on frame-level masked prediction of speech regions. While this has shown promising downstream task performance for speech recognition and…

Computation and Language · Computer Science 2025-07-22 Varun Krishna , Sriram Ganapathy

Joint audio-video generation models have shown that unified generation yields stronger cross-modal coherence than cascaded approaches. However, existing models couple modalities throughout denoising via pervasive attention, treating…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zhen Ye , Xu Tan , Aoxiong Yin , Hongzhan Lin , Guangyan Zhang , Peiwen Sun , Yiming Li , Chi-Min Chan , Wei Ye , Shikun Zhang , Wei Xue

Recently proposed speech recognition systems are designed to predict using representations generated by their top layers, employing greedy decoding which isolates each timestep from the rest of the sequence. Aiming for improved performance,…

Computation and Language · Computer Science 2022-04-06 Tomer Wullach , Shlomo E. Chazan

Self-supervised learning of speech representations from large amounts of unlabeled data has enabled state-of-the-art results in several speech processing tasks. Aggregating these speech representations across time is typically approached by…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-19 Themos Stafylakis , Ladislav Mosner , Sofoklis Kakouros , Oldrich Plchot , Lukas Burget , Jan Cernocky

Human language is a combination of elemental languages/domains/styles that change across and sometimes within discourses. Language models, which play a crucial role in speech recognizers and machine translation systems, are particularly…

Computation and Language · Computer Science 2013-03-22 Damianos Karakos , Mark Dredze , Sanjeev Khudanpur

This paper presents a new network architecture called multi-head decoder for end-to-end speech recognition as an extension of a multi-head attention model. In the multi-head attention model, multiple attentions are calculated, and then,…

Computation and Language · Computer Science 2018-07-31 Tomoki Hayashi , Shinji Watanabe , Tomoki Toda , Kazuya Takeda

We propose a cross-modal transformer-based neural correction models that refines the output of an automatic speech recognition (ASR) system so as to exclude ASR errors. Generally, neural correction models are composed of encoder-decoder…

Computation and Language · Computer Science 2021-07-06 Tomohiro Tanaka , Ryo Masumura , Mana Ihori , Akihiko Takashima , Takafumi Moriya , Takanori Ashihara , Shota Orihashi , Naoki Makishima

End-to-end (E2E) automatic speech recognition (ASR) models, by now, have shown competitive performance on several benchmarks. These models are structured to either operate in streaming or non-streaming mode. This work presents cascaded…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-29 Arun Narayanan , Tara N. Sainath , Ruoming Pang , Jiahui Yu , Chung-Cheng Chiu , Rohit Prabhavalkar , Ehsan Variani , Trevor Strohman

We propose and practically demonstrate a joint detection and decoding scheme for short-packet wireless communications in scenarios that require to first detect the presence of a message before actually decoding it. For this, we extend the…

Information Theory · Computer Science 2022-07-13 Sebastian Dörner , Jannis Clausius , Sebastian Cammerer , Stephan ten Brink

In many real-world scenarios, such as meetings, multiple speakers are present with an unknown number of participants, and their utterances often overlap. We address these multi-speaker challenges by a novel attention-based encoder-decoder…

Computation and Language · Computer Science 2024-09-25 Yosuke Kashiwagi , Hayato Futami , Emiru Tsunoo , Siddhant Arora , Shinji Watanabe

The rapid development of single-modal pre-training has prompted researchers to pay more attention to cross-modal pre-training methods. In this paper, we propose a unified-modal speech-unit-text pre-training model, SpeechUT, to connect the…

Computation and Language · Computer Science 2022-10-10 Ziqiang Zhang , Long Zhou , Junyi Ao , Shujie Liu , Lirong Dai , Jinyu Li , Furu Wei

Few-shot keyword spotting aims to detect previously unseen keywords with very limited labeled samples. A pre-training and adaptation paradigm is typically adopted for this task. While effective in clean conditions, most existing approaches…

Sound · Computer Science 2025-11-11 Junming Yuan , Ying Shi , Dong Wang , Lantian Li , Askar Hamdulla

Neural transducer (RNNT)-based target-speaker speech recognition (TS-RNNT) directly transcribes a target speaker's voice from a multi-talker mixture. It is a promising approach for streaming applications because it does not incur the extra…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-26 Takafumi Moriya , Hiroshi Sato , Tsubasa Ochiai , Marc Delcroix , Takanori Ashihara , Kohei Matsuura , Tomohiro Tanaka , Ryo Masumura , Atsunori Ogawa , Taichi Asami

We propose a new two-pass E2E speech recognition model that improves ASR performance by training on a combination of paired data and unpaired text data. Previously, the joint acoustic and text decoder (JATD) has shown promising results…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-28 Sepand Mavandadi , Tara N. Sainath , Ke Hu , Zelin Wu

Recognizing overlapping speech from multiple speakers in conversational scenarios is one of the most challenging problem for automatic speech recognition (ASR). Serialized output training (SOT) is a classic method to address multi-talker…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-02 Mohan Shi , Zengrui Jin , Yaoxun Xu , Yong Xu , Shi-Xiong Zhang , Kun Wei , Yiwen Shao , Chunlei Zhang , Dong Yu