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Automatic Speech Recognition (ASR) has undergone a profound transformation over the past decade, driven by advances in deep learning. This survey provides a comprehensive overview of the modern era of ASR, charting its evolution from…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-16 Md. Nayeem , Md Shamse Tabrej , Kabbojit Jit Deb , Shaonti Goswami , Md. Azizul Hakim

In a pipeline speech translation system, automatic speech recognition (ASR) system will transmit errors in recognition to the downstream machine translation (MT) system. A standard machine translation system is usually trained on parallel…

Computation and Language · Computer Science 2019-10-29 Qiao Cheng , Meiyuan Fang , Yaqian Han , Jin Huang , Yitao Duan

Model compression has become an emerging need as the sizes of modern speech systems rapidly increase. In this paper, we study model weight quantization, which directly reduces the memory footprint to accommodate computationally…

Recent publications on automatic-speech-recognition (ASR) have a strong focus on attention encoder-decoder (AED) architectures which tend to suffer from over-fitting in low resource scenarios. One solution to tackle this issue is to…

Computation and Language · Computer Science 2021-07-14 Nick Rossenbach , Mohammad Zeineldeen , Benedikt Hilmes , Ralf Schlüter , Hermann Ney

Automatic speech recognition systems have been largely improved in the past few decades and current systems are mainly hybrid-based and end-to-end-based. The recently proposed CTC-CRF framework inherits the data-efficiency of the hybrid…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-09 Huahuan Zheng , Wenjie Peng , Zhijian Ou , Jinsong Zhang

Considering the bimodal nature of human speech perception, lips, and teeth movement has a pivotal role in automatic speech recognition. Benefiting from the correlated and noise-invariant visual information, audio-visual recognition systems…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-23 Xiaoming Ren , Chao Li , Shenjian Wang , Biao Li

Transformer has achieved extraordinary performance in Natural Language Processing and Computer Vision tasks thanks to its powerful self-attention mechanism, and its variant Conformer has become a state-of-the-art architecture in the field…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-18 Dexin Liao , Tao Jiang , Feng Wang , Lin Li , Qingyang Hong

End-to-end models for robust automatic speech recognition (ASR) have not been sufficiently well-explored in prior work. With end-to-end models, one could choose to preprocess the input speech using speech enhancement techniques and train…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-15 Archiki Prasad , Preethi Jyothi , Rajbabu Velmurugan

In this work, we introduce a simple yet efficient post-processing model for automatic speech recognition (ASR). Our model has Transformer-based encoder-decoder architecture which "translates" ASR model output into grammatically and…

Computation and Language · Computer Science 2019-10-24 Oleksii Hrinchuk , Mariya Popova , Boris Ginsburg

Automatic speech recognition (ASR) has reached a level of accuracy in recent years, that even outperforms humans in transcribing speech to text. Nevertheless, all current ASR approaches show a certain weakness against ambient noise. To…

Sound · Computer Science 2023-12-22 Christopher Simic , Tobias Bocklet

The recently proposed Conformer model has become the de facto backbone model for various downstream speech tasks based on its hybrid attention-convolution architecture that captures both local and global features. However, through a series…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-18 Sehoon Kim , Amir Gholami , Albert Shaw , Nicholas Lee , Karttikeya Mangalam , Jitendra Malik , Michael W. Mahoney , Kurt Keutzer

The INTERSPEECH 2025 Challenge on Multilingual Conversational Speech Language Models (MLC-SLM) promotes multilingual conversational ASR with large language models (LLMs). Our previous SHNU-mASR system adopted a competitive…

Computation and Language · Computer Science 2026-02-03 Yuxiang Mei , Dongxing Xu , Jiaen Liang , Yanhua Long

This paper presents an audio visual automatic speech recognition (AV-ASR) system using a Transformer-based architecture. We particularly focus on the scene context provided by the visual information, to ground the ASR. We extract…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Georgios Paraskevopoulos , Srinivas Parthasarathy , Aparna Khare , Shiva Sundaram

Automatic speech recognition systems have undoubtedly advanced with the integration of multilingual and multitask models such as Whisper, which have shown a promising ability to understand and process speech across a wide range of…

Computation and Language · Computer Science 2025-04-14 Xabier de Zuazo , Eva Navas , Ibon Saratxaga , Inma Hernáez Rioja

End-to-end models have achieved impressive results on the task of automatic speech recognition (ASR). For low-resource ASR tasks, however, labeled data can hardly satisfy the demand of end-to-end models. Self-supervised acoustic…

Computation and Language · Computer Science 2021-05-12 Cheng Yi , Shiyu Zhou , Bo Xu

This paper presents our latest investigation on end-to-end automatic speech recognition (ASR) for overlapped speech. We propose to train an end-to-end system conditioned on speaker embeddings and further improved by transfer learning from…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-14 Pavel Denisov , Ngoc Thang Vu

It is generally believed that direct sequence-to-sequence (seq2seq) speech recognition models are competitive with hybrid models only when a large amount of data, at least a thousand hours, is available for training. In this paper, we show…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-21 Zoltán Tüske , George Saon , Kartik Audhkhasi , Brian Kingsbury

Modeling the errors of a speech recognizer can help simulate errorful recognized speech data from plain text, which has proven useful for tasks like discriminative language modeling, improving robustness of NLP systems, where limited or…

Artificial Intelligence · Computer Science 2024-08-22 Prashant Serai , Peidong Wang , Eric Fosler-Lussier

Low-resource accented speech recognition is one of the important challenges faced by current ASR technology in practical applications. In this study, we propose a Conformer-based architecture, called Aformer, to leverage both the acoustic…

Sound · Computer Science 2023-06-21 Xuefei Wang , Yanhua Long , Yijie Li , Haoran Wei

In this paper we show how we have achieved the state-of-the-art performance on the industry-standard NIST 2000 Hub5 English evaluation set. We explore densely connected LSTMs, inspired by the densely connected convolutional networks…

Computation and Language · Computer Science 2018-04-11 Kyu J. Han , Akshay Chandrashekaran , Jungsuk Kim , Ian Lane