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Related papers: Phonetically-Oriented Word Error Alignment for Spe…

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In this work, we address the challenge of building fair English ASR systems for second-language speakers. Our analysis of widely used ASR models, Whisper and Seamless-M4T, reveals large fluctuations in word error rate (WER) across 26 accent…

Computation and Language · Computer Science 2026-01-27 Monorama Swain , Bubai Maji , Jagabandhu Mishra , Markus Schedl , Anders Søgaard , Jesper Rindom Jensen

In speech evaluation, an Automatic Speech Recognition (ASR) model often computes time boundaries and phoneme posteriors for input features. However, limited data for ASR training hinders expansion of speech evaluation to low-resource…

Computation and Language · Computer Science 2026-03-27 Jeremy H. M. Wong , Nancy F. Chen

Text data is commonly utilized as a primary input to enhance Speech Emotion Recognition (SER) performance and reliability. However, the reliance on human-transcribed text in most studies impedes the development of practical SER systems,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-25 Yuanchao Li , Peter Bell , Catherine Lai

Accurately finding the wrong words in the automatic speech recognition (ASR) hypothesis and recovering them well-founded is the goal of speech error correction. In this paper, we propose a non-autoregressive speech error correction method.…

Computation and Language · Computer Science 2024-07-19 Yuchun Shu , Bo Hu , Yifeng He , Hao Shi , Longbiao Wang , Jianwu Dang

Automatic speech recognition (ASR) is a relevant area in multiple settings because it provides a natural communication mechanism between applications and users. ASRs often fail in environments that use language specific to particular…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-16 Rafael Viana-Cámara , Mario Campos-Soberanis , Diego Campos-Sobrino

Research on speech recognition has attracted considerable interest due to the difficult task of segmenting uninterrupted speech. Among various languages, Bengali features distinct rhythmic patterns and tones, making it particularly…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-08 Zhu Ruiying , Shen Meng

Classroom speech and lectures often contain named entities (NEs) such as names of people and special terminology. While automatic speech recognition (ASR) systems have achieved remarkable performance on general speech, the word error rate…

Computation and Language · Computer Science 2026-04-21 Viet Anh Trinh , Xinlu He , Jacob Whitehill

Generative error correction (GER) with large language models (LLMs) has emerged as an effective post-processing approach to improve automatic speech recognition (ASR) performance. However, it often struggles with rare or domain-specific…

Sound · Computer Science 2025-05-26 Natsuo Yamashita , Masaaki Yamamoto , Hiroaki Kokubo , Yohei Kawaguchi

Second-pass rescoring is employed in most state-of-the-art speech recognition systems. Recently, BERT based models have gained popularity for re-ranking the n-best hypothesis by exploiting the knowledge from masked language model…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-19 Prashanth Gurunath Shivakumar , Jari Kolehmainen , Yile Gu , Ankur Gandhe , Ariya Rastrow , Ivan Bulyko

Integrating external language models (LMs) into end-to-end (E2E) models remains a challenging task for domain-adaptive speech recognition. Recently, internal language model estimation (ILME)-based LM fusion has shown significant word error…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-07 Zhong Meng , Yu Wu , Naoyuki Kanda , Liang Lu , Xie Chen , Guoli Ye , Eric Sun , Jinyu Li , Yifan Gong

Sequence-to-sequence attention-based models on subword units allow simple open-vocabulary end-to-end speech recognition. In this work, we show that such models can achieve competitive results on the Switchboard 300h and LibriSpeech 1000h…

Computation and Language · Computer Science 2019-08-06 Albert Zeyer , Kazuki Irie , Ralf Schlüter , Hermann Ney

Contextualized end-to-end automatic speech recognition has been an active research area, with recent efforts focusing on the implicit learning of contextual phrases based on the final loss objective. However, these approaches ignore the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-12 Muhammad Shakeel , Yui Sudo , Yifan Peng , Shinji Watanabe

In this paper, we present how to hybridize a Word2vec model and an attention-based end-to-end speech recognition model. We build a phoneme recognition system based on Listen, Attend and Spell model. And the phoneme recognition model uses a…

Computation and Language · Computer Science 2019-12-20 Xin Feng , Lei Wang

A common problem for automatic speech recognition systems is how to recognize words that they did not see during training. Currently there is no established method of evaluating different techniques for tackling this problem. We propose…

Computation and Language · Computer Science 2021-07-20 Rudolf A. Braun , Srikanth Madikeri , Petr Motlicek

Confidence estimation of predictions from an End-to-End (E2E) Automatic Speech Recognition (ASR) model benefits ASR's downstream and upstream tasks. Class-probability-based confidence scores do not accurately represent the quality of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-09 Nagarathna Ravi , Thishyan Raj T , Vipul Arora

This work presents a novel methodology for calculating the phonetic similarity between words taking motivation from the human perception of sounds. This metric is employed to learn a continuous vector embedding space that groups similar…

Computation and Language · Computer Science 2021-10-01 Rahul Sharma , Kunal Dhawan , Balakrishna Pailla

Cross-lingual or cross-domain correspondences play key roles in tasks ranging from machine translation to transfer learning. Recently, purely unsupervised methods operating on monolingual embeddings have become effective alignment tools.…

Computation and Language · Computer Science 2018-09-05 David Alvarez-Melis , Tommi S. Jaakkola

In this paper, we propose a novel auxiliary loss function for target-speaker automatic speech recognition (ASR). Our method automatically extracts and transcribes target speaker's utterances from a monaural mixture of multiple speakers…

Computation and Language · Computer Science 2019-06-27 Naoyuki Kanda , Shota Horiguchi , Ryoichi Takashima , Yusuke Fujita , Kenji Nagamatsu , Shinji Watanabe

Pre-trained acoustic representations such as wav2vec and DeCoAR have attained impressive word error rates (WER) for speech recognition benchmarks, particularly when labeled data is limited. But little is known about what phonetic properties…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-16 Danni Ma , Neville Ryant , Mark Liberman

Natural language processing of conversational speech requires the availability of high-quality transcripts. In this paper, we express our skepticism towards the recent reports of very low Word Error Rates (WERs) achieved by modern Automatic…