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A joint speech and text optimization method is proposed for hybrid transducer and attention-based encoder decoder (TAED) modeling to leverage large amounts of text corpus and enhance ASR accuracy. The joint TAED (J-TAED) is trained with…

Computation and Language · Computer Science 2025-06-25 Yun Tang , Eesung Kim , Vijendra Raj Apsingekar

Automatic speech recognition (ASR) of multi-channel multi-speaker overlapped speech remains one of the most challenging tasks to the speech community. In this paper, we look into this challenge by utilizing the location information of…

Sound · Computer Science 2021-11-23 Yiwen Shao , Shi-Xiong Zhang , Dong Yu

In this paper, we propose a dual-encoder ASR architecture for joint modeling of close-talk (CT) and far-talk (FT) speech, in order to combine the advantages of CT and FT devices for better accuracy. The key idea is to add an encoder…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-21 Felix Weninger , Marco Gaudesi , Ralf Leibold , Roberto Gemello , Puming Zhan

Encoder pre-training is promising in end-to-end Speech Translation (ST), given the fact that speech-to-translation data is scarce. But ST encoders are not simple instances of Automatic Speech Recognition (ASR) or Machine Translation (MT)…

Computation and Language · Computer Science 2021-06-16 Chen Xu , Bojie Hu , Yanyang Li , Yuhao Zhang , shen huang , Qi Ju , Tong Xiao , Jingbo Zhu

Large language models have proven themselves highly flexible, able to solve a wide range of generative tasks, such as abstractive summarization and open-ended question answering. In this paper we extend the capabilities of LLMs by directly…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-25 Yassir Fathullah , Chunyang Wu , Egor Lakomkin , Junteng Jia , Yuan Shangguan , Ke Li , Jinxi Guo , Wenhan Xiong , Jay Mahadeokar , Ozlem Kalinli , Christian Fuegen , Mike Seltzer

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

End-to-end speech recognition is a promising technology for enabling compact automatic speech recognition (ASR) systems since it can unify the acoustic and language model into a single neural network. However, as a drawback, training of…

Computation and Language · Computer Science 2022-02-17 Yotaro Kubo , Shigeki Karita , Michiel Bacchiani

End-to-end automatic speech recognition (ASR) models have seen revolutionary quality gains with the recent development of large-scale universal speech models (USM). However, deploying these massive USMs is extremely expensive due to the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-17 Shaojin Ding , David Qiu , David Rim , Yanzhang He , Oleg Rybakov , Bo Li , Rohit Prabhavalkar , Weiran Wang , Tara N. Sainath , Zhonglin Han , Jian Li , Amir Yazdanbakhsh , Shivani Agrawal

We consider the problem of recognizing speech utterances spoken to a device which is generating a known sound waveform; for example, recognizing queries issued to a digital assistant which is generating responses to previous user inputs.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-03 Nathan Howard , Alex Park , Turaj Zakizadeh Shabestary , Alexander Gruenstein , Rohit Prabhavalkar

We present an end-to-end multichannel speaker-attributed automatic speech recognition (MC-SA-ASR) system that combines a Conformer-based encoder with multi-frame crosschannel attention and a speaker-attributed Transformer-based decoder. To…

Computation and Language · Computer Science 2023-10-17 Can Cui , Imran Ahamad Sheikh , Mostafa Sadeghi , Emmanuel Vincent

Transformer models have been used in automatic speech recognition (ASR) successfully and yields state-of-the-art results. However, its performance is still affected by speaker mismatch between training and test data. Further finetuning a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-19 Yingzhu Zhao , Chongjia Ni , Cheung-Chi Leung , Shafiq Joty , Eng Siong Chng , Bin Ma

The practical deployment of Audio-Visual Speech Recognition (AVSR) systems is fundamentally challenged by significant performance degradation in real-world environments, characterized by unpredictable acoustic noise and visual interference.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-17 Sungnyun Kim

This paper presents a novel memory-efficient model compression approach for Conformer ASR and speech foundation systems. Our approach features a unique "small-to-large" design. A compact "seed" model containing a few Conformer or…

Sound · Computer Science 2025-05-28 Zhaoqing Li , Haoning Xu , Xurong Xie , Zengrui Jin , Tianzi Wang , Xunying Liu

The use of spatial information with multiple microphones can improve far-field automatic speech recognition (ASR) accuracy. However, conventional microphone array techniques degrade speech enhancement performance when there is an array…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-23 Kenichi Kumatani , Minhua Wu , Shiva Sundaram , Nikko Strom , Bjorn Hoffmeister

Reasoning about spatial audio with large language models requires a spatial audio encoder as an acoustic front-end to obtain audio embeddings for further processing. Such an encoder needs to capture all information required to detect the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-04 Kevin Wilkinghoff , Zheng-Hua Tan

Direct speech translation describes a scenario where only speech inputs and corresponding translations are available. Such data are notoriously limited. We present a technique that allows cascades of automatic speech recognition (ASR) and…

Computation and Language · Computer Science 2023-06-12 Tsz Kin Lam , Shigehiko Schamoni , Stefan Riezler

The Encoder-Decoder architecture is a main stream deep learning model for biomedical image segmentation. The encoder fully compresses the input and generates encoded features, and the decoder then produces dense predictions using encoded…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Peixian Liang , Jianxu Chen , Hao Zheng , Lin Yang , Yizhe Zhang , Danny Z. Chen

Automatic speech recognition (ASR) systems used on smart phones or vehicles are usually required to process speech queries from very different domains. In such situations, a vanilla ASR system usually fails to perform well on every domain.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-10 Yike Zhang , Xiaobing Feng , Yi Liu , Songjun Cao , Long Ma

Distributed microphone array (DMA) is a promising next-generation platform for speech interaction, where speech enhancement (SE) is still required to improve the speech quality in noisy cases. Existing SE methods usually first gather raw…

Sound · Computer Science 2026-01-27 Chengqian Jiang , Jie Zhang , Haoyin Yan

Speech classification tasks often require powerful language understanding models to grasp useful features, which becomes problematic when limited training data is available. To attain superior classification performance, we propose to…

Computation and Language · Computer Science 2024-07-26 Nicolae-Catalin Ristea , Andrei Anghel , Radu Tudor Ionescu