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Related papers: Codec-ASR: Training Performant Automatic Speech Re…

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In this work, we propose a new automatic speech recognition (ASR) system based on feature learning and an end-to-end training procedure for air traffic control (ATC) systems. The proposed model integrates the feature learning block,…

Sound · Computer Science 2021-11-05 Peng Fan , Dongyue Guo , Yi Lin , Bo Yang , Jianwei Zhang

Recently, there has been a vast interest in self-supervised learning (SSL) where the model is pre-trained on large scale unlabeled data and then fine-tuned on a small labeled dataset. The common wisdom is that SSL helps resource-limited…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-13 Chengyi Wang , Yu Wu , Shujie Liu , Jinyu Li , Yao Qian , Kenichi Kumatani , Furu Wei

The outstanding accuracy achieved by modern Automatic Speech Recognition (ASR) systems is enabling them to quickly become a mainstream technology. ASR is essential for many applications, such as speech-based assistants, dictation systems…

Hardware Architecture · Computer Science 2022-02-11 Dennis Pinto , Jose-María Arnau , Antonio González

Automatic speech recognition (ASR) has benefited from advances in pretrained speech and language models, yet most systems remain constrained to monolingual settings and short, isolated utterances. While recent efforts in context-aware ASR…

Computation and Language · Computer Science 2026-03-09 Yuchen Zhang , Haralambos Mouratidis , Ravi Shekhar

One of the major challenges for developing automatic speech recognition (ASR) for low-resource languages is the limited access to labeled data with domain-specific variations. In this study, we propose a pseudo-labeling approach to develop…

Discrete speech tokens have gained attention for their storage efficiency and integration with Large Language Models (LLMs). They are commonly categorized into acoustic and semantic tokens, with the latter being more advantageous for…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-04 Mohan Shi , Natarajan Balaji Shankar , Kaiyuan Zhang , Zilai Wang , Abeer Alwan

ASR has achieved remarkable global progress, yet African low-resource languages remain rigorously underrepresented, producing barriers to digital inclusion across the continent with more than +2000 languages. This systematic literature…

Recently, large pre-trained multilingual speech models have shown potential in scaling Automatic Speech Recognition (ASR) to many low-resource languages. Some of these models employ language adapters in their formulation, which helps to…

Computation and Language · Computer Science 2023-10-12 Atharva Kulkarni , Ajinkya Kulkarni , Miguel Couceiro , Hanan Aldarmaki

Code-switching (CS) automatic speech recognition (ASR) faces challenges due to the language confusion resulting from accents, auditory similarity, and seamless language switches. Adaptation on the pre-trained multi-lingual model has shown…

Computation and Language · Computer Science 2025-01-07 Jiahui Zhao , Hao Shi , Chenrui Cui , Tianrui Wang , Hexin Liu , Zhaoheng Ni , Lingxuan Ye , Longbiao Wang

Audio-visual speech recognition has received a lot of attention due to its robustness against acoustic noise. Recently, the performance of automatic, visual, and audio-visual speech recognition (ASR, VSR, and AV-ASR, respectively) has been…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Pingchuan Ma , Alexandros Haliassos , Adriana Fernandez-Lopez , Honglie Chen , Stavros Petridis , Maja Pantic

The use of synthetic speech as data augmentation is gaining increasing popularity in fields such as automatic speech recognition and speech classification tasks. Despite novel text-to-speech systems with voice cloning capabilities, that…

Sound · Computer Science 2024-09-20 Sebastião Quintas , Isabelle Ferrané , Thomas Pellegrini

End-to-end transformer-based automatic speech recognition (ASR) systems often capture multiple speech traits in their learned representations that are highly entangled, leading to a lack of interpretability. In this study, we propose the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-28 Pu Wang , Hugo Van hamme

In most automatic speech recognition (ASR) systems, the audio signal is processed to produce a time series of sensor measurements (e.g., filterbank outputs). This time series encodes semantic information in a speaker-dependent way. An…

Sound · Computer Science 2019-05-10 David N. Levin

We develop a large language model (LLM) based automatic speech recognition (ASR) system that can be contextualized by providing keywords as prior information in text prompts. We adopt decoder-only architecture and use our in-house LLM,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-14 Kento Nozawa , Takashi Masuko , Toru Taniguchi

Code-switching (CS) refers to the switching of languages within a speech signal and results in language confusion for automatic speech recognition (ASR). To address language confusion, we propose a language alignment loss (LAL) that aligns…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-04 Hexin Liu , Xiangyu Zhang , Haoyang Zhang , Leibny Paola Garcia , Andy W. H. Khong , Eng Siong Chng , Shinji Watanabe

Automated speaking assessment (ASA) typically involves automatic speech recognition (ASR) and hand-crafted feature extraction from the ASR transcript of a learner's speech. Recently, self-supervised learning (SSL) has shown stellar…

Sound · Computer Science 2025-03-04 Tien-Hong Lo , Fu-An Chao , Tzu-I Wu , Yao-Ting Sung , Berlin Chen

The rapid development of neural text-to-speech (TTS) systems enabled its usage in other areas of natural language processing such as automatic speech recognition (ASR) or spoken language translation (SLT). Due to the large number of…

Computation and Language · Computer Science 2024-08-01 Nick Rossenbach , Ralf Schlüter , Sakriani Sakti

Automatic speech recognition (ASR) systems developed in recent years have shown promising results with self-attention models (e.g., Transformer and Conformer), which are replacing conventional recurrent neural networks. Meanwhile, a…

Sound · Computer Science 2022-11-01 Koichi Miyazaki , Masato Murata , Tomoki Koriyama

Neural audio codecs optimized for mel-spectrogram reconstruction often fail to preserve intelligibility. While semantic encoder distillation improves encoded representations, it does not guarantee content preservation in reconstructed…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Junhyeok Lee , Xiluo He , Jihwan Lee , Helin Wang , Shrikanth Narayanan , Thomas Thebaud , Laureano Moro-Velazquez , Jesús Villalba , Najim Dehak

Multi-talker automatic speech recognition (ASR) has been studied to generate transcriptions of natural conversation including overlapping speech of multiple speakers. Due to the difficulty in acquiring real conversation data with…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-21 Muqiao Yang , Naoyuki Kanda , Xiaofei Wang , Jian Wu , Sunit Sivasankaran , Zhuo Chen , Jinyu Li , Takuya Yoshioka