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User studies have shown that reducing the latency of our simultaneous lecture translation system should be the most important goal. We therefore have worked on several techniques for reducing the latency for both components, the automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-24 Thai Son Nguyen , Jan Niehues , Eunah Cho , Thanh-Le Ha , Kevin Kilgour , Markus Muller , Matthias Sperber , Sebastian Stueker , Alex Waibel

An effective method for compression of ECG signals, which falls within the transform lossy compression category, is proposed. The transformation is realized by a fast wavelet transform. The effectiveness of the approach, in relation to the…

Signal Processing · Electrical Eng. & Systems 2019-01-03 Laura Rebollo-Neira

Automatic speech recognition (ASR) with an encoder equipped with self-attention, whether streaming or non-streaming, takes quadratic time in the length of the speech utterance. This slows down training and decoding, increase their cost, and…

Sound · Computer Science 2024-09-12 Titouan Parcollet , Rogier van Dalen , Shucong Zhang , Sourav Batthacharya

Recent advancements in automatic speech recognition (ASR) have achieved notable progress, whereas robustness in noisy environments remains challenging. While speech enhancement (SE) front-ends are widely used to mitigate noise as a…

Sound · Computer Science 2025-09-29 Siyi Zhao , Wei Wang , Yanmin Qian

This paper proposes AS-ASR, a lightweight aphasia-specific speech recognition framework based on Whisper-tiny, tailored for low-resource deployment on edge devices. Our approach introduces a hybrid training strategy that systematically…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-03 Chen Bao , Chuanbing Huo , Qinyu Chen , Chang Gao

Today's scientific simulations require a significant reduction of data volume because of extremely large amounts of data they produce and the limited I/O bandwidth and storage space. Error-bounded lossy compression has been considered one…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-09 Daoce Wang , Jesus Pulido , Pascal Grosset , Sian Jin , Jiannan Tian , James Ahrens , Dingwen Tao

Jitter and shimmer measurements have shown to be carriers of voice quality and prosodic information which enhance the performance of tasks like speaker recognition, diarization or automatic speech recognition (ASR). However, such features…

Computation and Language · Computer Science 2021-12-22 Guillermo Cámbara , Jordi Luque , Mireia Farrús

This work presents a seemingly simple but effective technique to improve low-resource ASR systems for phonetic languages. By identifying sets of acoustically similar graphemes in these languages, we first reduce the output alphabet of the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-13 Anuj Diwan , Preethi Jyothi

Code-switching (CS) refers to the phenomenon that languages switch within a speech signal and leads to language confusion for automatic speech recognition (ASR). This paper aims to address language confusion for improving CS-ASR from two…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-27 Hexin Liu , Haihua Xu , Leibny Paola Garcia , Andy W. H. Khong , Yi He , Sanjeev Khudanpur

Automatic speech recognition (ASR) systems degrade significantly under noisy conditions. Recently, speech enhancement (SE) is introduced as front-end to reduce noise for ASR, but it also suppresses some important speech information, i.e.,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-30 Yuchen Hu , Nana Hou , Chen Chen , Eng Siong Chng

In the blind single image super-resolution (SISR) task, existing works have been successful in restoring image-level unknown degradations. However, when a single video frame becomes the input, these works usually fail to address…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Boyang Wang , Bowen Liu , Shiyu Liu , Fengyu Yang

In recent years, automatic speech recognition (ASR) systems have significantly improved, especially in languages with a vast amount of transcribed speech data. However, ASR systems tend to perform poorly for low-resource languages with…

Computation and Language · Computer Science 2024-06-04 Ara Yeroyan , Nikolay Karpov

Audio coding is an essential module in the real-time communication system. Neural audio codecs can compress audio samples with a low bitrate due to the strong modeling and generative capabilities of deep neural networks. To address the poor…

Sound · Computer Science 2023-10-18 Wenzhe Liu , Wei Xiao , Meng Wang , Shan Yang , Yupeng Shi , Yuyong Kang , Dan Su , Shidong Shang , Dong Yu

High-quality and intelligible speech is essential to text-to-speech (TTS) model training, however, obtaining high-quality data for low-resource languages is challenging and expensive. Applying speech enhancement on Automatic Speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-20 Zhaoheng Ni , Sravya Popuri , Ning Dong , Kohei Saijo , Xiaohui Zhang , Gael Le Lan , Yangyang Shi , Vikas Chandra , Changhan Wang

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,…

Distortion resulting from acoustic echo suppression (AES) is a common issue in full-duplex communication. To address the distortion problem, a multi-frame minimum variance distortionless response (MFMVDR) filtering technique is proposed.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-10 Yuefeng Tsai , Yicheng Hsu , Mingsian Bai

With increasingly more powerful compute capabilities and resources in today's devices, traditionally compute-intensive automatic speech recognition (ASR) has been moving from the cloud to devices to better protect user privacy. However, it…

Machine Learning · Computer Science 2024-05-15 Mingbin Xu , Alex Jin , Sicheng Wang , Mu Su , Tim Ng , Henry Mason , Shiyi Han , Zhihong Lei , Yaqiao Deng , Zhen Huang , Mahesh Krishnamoorthy

Automatic speech recognition (ASR) systems, increasingly prevalent in education, healthcare, employment, and mobile technology, face significant challenges in inclusivity, particularly for the 80 million-strong global community of people…

Computation and Language · Computer Science 2024-05-13 Dena Mujtaba , Nihar R. Mahapatra , Megan Arney , J. Scott Yaruss , Hope Gerlach-Houck , Caryn Herring , Jia Bin

Communicating information, like gradient vectors, between computing nodes in distributed and federated learning is typically an unavoidable burden, resulting in scalability issues. Indeed, communication might be slow and costly. Recent…

Machine Learning · Computer Science 2020-10-08 Alyazeed Albasyoni , Mher Safaryan , Laurent Condat , Peter Richtárik

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