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Distant-microphone meeting transcription is a challenging task. State-of-the-art end-to-end speaker-attributed automatic speech recognition (SA-ASR) architectures lack a multichannel noise and reverberation reduction front-end, which limits…

Computation and Language · Computer Science 2025-07-09 Can Cui , Imran Ahamad Sheikh , Mostafa Sadeghi , Emmanuel Vincent

Audio-visual speech recognition (AVSR) typically improves recognition accuracy in noisy environments by integrating noise-immune visual cues with audio signals. Nevertheless, high-noise audio inputs are prone to introducing adverse…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Linzhi Wu , Xingyu Zhang , Hao Yuan , Yakun Zhang , Changyan Zheng , Liang Xie , Tiejun Liu , Erwei Yin

Automatic Speech Recognition (ASR) systems frequently use a search-based decoding strategy aiming to find the best attainable transcript by considering multiple candidates. One prominent speech recognition decoding heuristic is beam search,…

Computation and Language · Computer Science 2022-12-29 Tomer Wullach , Shlomo E. Chazan

Neural speech separation has made remarkable progress and its integration with automatic speech recognition (ASR) is an important direction towards realizing multi-speaker ASR. This work provides an insightful investigation of speech…

This work introduces sequential neural beamforming, which alternates between neural network based spectral separation and beamforming based spatial separation. Our neural networks for separation use an advanced convolutional architecture…

Speech recognition technologies are gaining enormous popularity in various industrial applications. However, building a good speech recognition system usually requires large amounts of transcribed data, which is expensive to collect. To…

Computation and Language · Computer Science 2019-11-01 Dongwei Jiang , Xiaoning Lei , Wubo Li , Ne Luo , Yuxuan Hu , Wei Zou , Xiangang Li

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

Studies have shown that in noisy acoustic environments, providing binaural signals to the user of an assistive listening device may improve speech intelligibility and spatial awareness. This paper presents a binaural speech enhancement…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-11 Vikas Tokala , Eric Grinstein , Mike Brookes , Simon Doclo , Jesper Jensen , Patrick A. Naylor

Single-channel speech enhancement approaches do not always improve automatic recognition rates in the presence of noise, because they can introduce distortions unhelpful for recognition. Following a trend towards end-to-end training of…

Sound · Computer Science 2021-12-14 Peter Plantinga , Deblin Bagchi , Eric Fosler-Lussier

Signal-dependent beamformers are advantageous over signal-independent beamformers when the acoustic scenario - be it real-world or simulated - is straightforward in terms of the number of sound sources, the ambient sound field and their…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-01 Sina Hafezi , Alastair H. Moore , Pierre H. Guiraud , Patrick A. Naylor , Jacob Donley , Vladimir Tourbabin , Thomas Lunner

Training speech recognizers with unpaired speech and text -- known as unsupervised speech recognition (UASR) -- is a crucial step toward extending ASR to low-resource languages in the long-tail distribution and enabling multimodal learning…

Computation and Language · Computer Science 2025-10-07 Liming Wang , Junrui Ni , Kai-Wei Chang , Saurabhchand Bhati , David Harwath , Mark Hasegawa-Johnson , James R. Glass

Humans have the ability to utilize visual cues, such as lip movements and visual scenes, to enhance auditory perception, particularly in noisy environments. However, current Automatic Speech Recognition (ASR) or Audio-Visual Speech…

Computation and Language · Computer Science 2025-04-11 Lakshmipathi Balaji , Karan Singla

Recent techniques for speech deepfake detection often rely on pre-trained self-supervised models. These systems, initially developed for Automatic Speech Recognition (ASR), have proved their ability to offer a meaningful representation of…

The performances of automatic speech recognition (ASR) systems are usually evaluated by the metric word error rate (WER) when the manually transcribed data are provided, which are, however, expensively available in the real scenario. In…

Computation and Language · Computer Science 2020-09-01 Kai Fan , Jiayi Wang , Bo Li , Shiliang Zhang , Boxing Chen , Niyu Ge , Zhijie Yan

Compared with automatic speech recognition (ASR), the human auditory system is more adept at handling noise-adverse situations, including environmental noise and channel distortion. To mimic this adeptness, auditory models have been widely…

Computation and Language · Computer Science 2016-09-16 Peng Dai , Xue Teng , Frank Rudzicz , Ing Yann Soon

We propose a speaker selection mechanism (SSM) for the training of an end-to-end beamforming neural network, based on recent findings that a listener usually looks to the target speaker with a certain undershot angle. The mechanism allows…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-25 Luan Vinícius Fiorio , Bruno Defraene , Johan David , Alex Young , Frans Widdershoven , Wim van Houtum , Ronald M. Aarts

This paper proposes a novel unsupervised autoregressive neural model for learning generic speech representations. In contrast to other speech representation learning methods that aim to remove noise or speaker variabilities, ours is…

Computation and Language · Computer Science 2019-06-20 Yu-An Chung , Wei-Ning Hsu , Hao Tang , James Glass

With the surge of online meetings, it has become more critical than ever to provide high-quality speech audio and live captioning under various noise conditions. However, most monaural speech enhancement (SE) models introduce processing…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-08 Sefik Emre Eskimez , Xiaofei Wang , Min Tang , Hemin Yang , Zirun Zhu , Zhuo Chen , Huaming Wang , Takuya Yoshioka

The performance of speech enhancement algorithms in a multi-speaker scenario depends on correctly identifying the target speaker to be enhanced. Auditory attention decoding (AAD) methods allow to identify the target speaker which the…

Sound · Computer Science 2020-05-12 Ali Aroudi , Marc Delcroix , Tomohiro Nakatani , Keisuke Kinoshita , Shoko Araki , Simon Doclo

Nowadays, research in speech technologies has gotten a lot out thanks to recently created public domain corpora that contain thousands of recording hours. These large amounts of data are very helpful for training the new complex models…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-12 Guillermo Cámbara , Alex Peiró-Lilja , Mireia Farrús , Jordi Luque