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We propose a multitask training method for attention-based end-to-end speech recognition models. We regularize the decoder in a listen, attend, and spell model by multitask training it on both audio-text and text-only data. Trained on the…

Computation and Language · Computer Science 2021-06-15 Peidong Wang , Tara N. Sainath , Ron J. Weiss

Currently, end-to-end (E2E) speech recognition methods have achieved promising performance. However, auto speech recognition (ASR) models still face challenges in recognizing multi-accent speech accurately. We propose a layer-adapted fusion…

Sound · Computer Science 2024-07-04 Jinming Chen , Jingyi Fang , Yuanzhong Zheng , Yaoxuan Wang , Haojun Fei

Recently, the unified streaming and non-streaming two-pass (U2/U2++) end-to-end model for speech recognition has shown great performance in terms of streaming capability, accuracy and latency. In this paper, we present fast-U2++, an…

The rising interest in single-channel multi-speaker speech separation sparked development of End-to-End (E2E) approaches to multi-speaker speech recognition. However, up until now, state-of-the-art neural network-based time domain source…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-14 Thilo von Neumann , Keisuke Kinoshita , Lukas Drude , Christoph Boeddeker , Marc Delcroix , Tomohiro Nakatani , Reinhold Haeb-Umbach

Transformer based end-to-end modelling approaches with multiple stream inputs have been achieved great success in various automatic speech recognition (ASR) tasks. An important issue associated with such approaches is that the intermediate…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-11 Jin Li , Rongfeng Su , Xurong Xie , Nan Yan , Lan Wang

The field of speech recognition is in the midst of a paradigm shift: end-to-end neural networks are challenging the dominance of hidden Markov models as a core technology. Using an attention mechanism in a recurrent encoder-decoder…

Sound · Computer Science 2017-03-16 Tsubasa Ochiai , Shinji Watanabe , Takaaki Hori , John R. Hershey

The paper proposes a new text recognition network for scene-text images. Many state-of-the-art methods employ the attention mechanism either in the text encoder or decoder for the text alignment. Although the encoder-based attention yields…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Usman Sajid , Michael Chow , Jin Zhang , Taejoon Kim , Guanghui Wang

Recently, the end-to-end training approach for multi-channel ASR has shown its effectiveness, which usually consists of a beamforming front-end and a recognition back-end. However, the end-to-end training becomes more difficult due to the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-11 Keyu An , Ji Xiao , Zhijian Ou

Diffusion models have shown promising results in speech enhancement, using a task-adapted diffusion process for the conditional generation of clean speech given a noisy mixture. However, at test time, the neural network used for score…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-17 Bunlong Lay , Jean-Marie Lemercier , Julius Richter , Timo Gerkmann

Far-field speech recognition is a challenging task that conventionally uses signal processing beamforming to attack noise and interference problem. But the performance has been found usually limited due to heavy reliance on environmental…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-08 Dongdi Zhao , Jianbo Ma , Lu Lu , Jinke Li , Xuan Ji , Lei Zhu , Fuming Fang , Ming Liu , Feijun Jiang

In recent years, self-supervised learning (SSL) models have made significant progress in audio deepfake detection (ADD) tasks. However, existing SSL models mainly rely on large-scale real speech for pre-training and lack the learning of…

Sound · Computer Science 2025-09-05 Yunqi Hao , Yihao Chen , Minqiang Xu , Jianbo Zhan , Liang He , Lei Fang , Sian Fang , Lin Liu

Sound separation (SS) and target sound extraction (TSE) are fundamental techniques for addressing complex acoustic scenarios. While existing SS methods struggle with determining the unknown number of sound sources, TSE approaches require…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-25 Hongyu Wang , Chenda Li , Xin Zhou , Shuai Wang , Yanmin Qian

Exploring proper way to conduct multi-speech feature fusion for cross-corpus speech emotion recognition is crucial as different speech features could provide complementary cues reflecting human emotion status. While most previous approaches…

Sound · Computer Science 2024-06-14 Xueyu Liu , Jie Lin , Chao Wang

Joint optimization of multi-channel front-end and automatic speech recognition (ASR) has attracted much interest. While promising results have been reported for various tasks, past studies on its meeting transcription application were…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-30 Xiaofei Wang , Naoyuki Kanda , Yashesh Gaur , Zhuo Chen , Zhong Meng , Takuya Yoshioka

End-to-end speech translation poses a heavy burden on the encoder, because it has to transcribe, understand, and learn cross-lingual semantics simultaneously. To obtain a powerful encoder, traditional methods pre-train it on ASR data to…

Computation and Language · Computer Science 2020-04-22 Chengyi Wang , Yu Wu , Shujie Liu , Ming Zhou , Zhenglu Yang

In this paper, we propose a refined multi-stage multi-task training strategy to improve the performance of online attention-based encoder-decoder (AED) models. A three-stage training based on three levels of architectural granularity…

Audio and Speech Processing · Electrical Eng. & Systems 2020-01-01 Abhinav Garg , Dhananjaya Gowda , Ankur Kumar , Kwangyoun Kim , Mehul Kumar , Chanwoo Kim

Recently, the end-to-end approach has been successfully applied to multi-speaker speech separation and recognition in both single-channel and multichannel conditions. However, severe performance degradation is still observed in the…

Previous methods for audio-image matching generally fall into one of two categories: pipeline models or End-to-End models. Pipeline models first transcribe speech and then encode the resulting text; End-to-End models encode speech directly.…

Sound · Computer Science 2024-08-21 Zhenyu Lu , Lakshay Sethi

The end-to-end approach for single-channel speech separation has been studied recently and shown promising results. This paper extended the previous approach and proposed a new end-to-end model for multi-channel speech separation. The…

Sound · Computer Science 2019-05-29 Rongzhi Gu , Jian Wu , Shi-Xiong Zhang , Lianwu Chen , Yong Xu , Meng Yu , Dan Su , Yuexian Zou , Dong Yu

The accuracy of end-to-end (E2E) automatic speech recognition (ASR) models continues to improve as they are scaled to larger sizes, with some now reaching billions of parameters. Widespread deployment and adoption of these models, however,…