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Recently, pre-trained models with phonetic supervision have demonstrated their advantages for crosslingual speech recognition in data efficiency and information sharing across languages. However, a limitation is that a pronunciation lexicon…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-17 Saierdaer Yusuyin , Te Ma , Hao Huang , Zhijian Ou

Transcription of legal proceedings is very important to enable access to justice. However, speech transcription is an expensive and slow process. In this paper we describe part of a combined research and industrial project for building an…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-23 Hadeel Saadany , Catherine Breslin , Constantin Orăsan , Sophie Walker

Speech separation has been successfully applied as a frontend processing module of conversation transcription systems thanks to its ability to handle overlapped speech and its flexibility to combine with downstream tasks such as automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-06 Jian Wu , Zhuo Chen , Sanyuan Chen , Yu Wu , Takuya Yoshioka , Naoyuki Kanda , Shujie Liu , Jinyu Li

Automatic speech recognition (ASR) has been an essential component of computer assisted language learning (CALL) and computer assisted language testing (CALT) for many years. As this technology continues to develop rapidly, it is important…

Computation and Language · Computer Science 2025-04-01 Michael McGuire

Speech-aware LLMs (SLLMs) have recently achieved state-of-the-art ASR performance; however, they still fail to accurately transcribe bias words that appear rarely or never in the training data. Contextual biasing mechanisms are commonly…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-15 Sashi Novitasari , Takashi Fukuda , Kurata Gakuto , George Saon

Query-by-example spoken term detection (QbE-STD) is typically constrained by transcribed data scarcity and language specificity. This paper introduces a novel, language-agnostic QbE-STD model leveraging image processing techniques and…

Machine Learning · Computer Science 2024-10-08 Allahdadi Fatemeh , Mahdian Toroghi Rahil , Zareian Hassan

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

With recent advancements in language technologies, humans are now speaking to devices. Increasing the reach of spoken language technologies requires building systems in local languages. A major bottleneck here are the underlying…

Computation and Language · Computer Science 2021-02-23 Akshat Gupta , Xinjian Li , Sai Krishna Rallabandi , Alan W Black

We address quality assessment for neural network based ASR by providing explanations that help increase our understanding of the system and ultimately help build trust in the system. Compared to simple classification labels, explaining…

Sound · Computer Science 2023-03-01 Xiaoliang Wu , Peter Bell , Ajitha Rajan

This paper describes methods for evaluating automatic speech recognition (ASR) systems in comparison with human perception results, using measures derived from linguistic distinctive features. Error patterns in terms of manner, place and…

Computation and Language · Computer Science 2016-12-14 Xiang Kong , Jeung-Yoon Choi , Stefanie Shattuck-Hufnagel

Capitalization and punctuation are important cues for comprehending written texts and conversational transcripts. Yet, many ASR systems do not produce punctuated and case-formatted speech transcripts. We propose to use a multi-task system…

Computation and Language · Computer Science 2021-09-14 Raghavendra Pappagari , Piotr Żelasko , Agnieszka Mikołajczyk , Piotr Pęzik , Najim Dehak

Transformers, originally proposed for natural language processing (NLP) tasks, have recently achieved great success in automatic speech recognition (ASR). However, adjacent acoustic units (i.e., frames) are highly correlated, and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-20 Yangyang Shi , Yongqiang Wang , Chunyang Wu , Christian Fuegen , Frank Zhang , Duc Le , Ching-Feng Yeh , Michael L. Seltzer

In recent years, the standard hybrid DNN-HMM speech recognizers are outperformed by the end-to-end speech recognition systems. One of the very promising approaches is the grapheme Wav2Vec 2.0 model, which uses the self-supervised…

Computation and Language · Computer Science 2022-10-24 Jan Švec , Jan Lehečka , Luboš Šmídl

We present a phoneme-level analysis of automatic speech recognition (ASR) for two low-resourced and phonologically complex East Caucasian languages, Archi and Rutul, based on curated and standardized speech-transcript resources totaling…

Computation and Language · Computer Science 2026-04-21 V. S. D. S. Mahesh Akavarapu , Michael Daniel , Gerhard Jäger

Fine-tuning pretrained language models (LMs) is a popular approach to automatic speech recognition (ASR) error detection during post-processing. While error detection systems often take advantage of statistical language archetypes captured…

Computation and Language · Computer Science 2021-08-05 Seongmin Park , Dongchan Shin , Sangyoun Paik , Subong Choi , Alena Kazakova , Jihwa Lee

The utilization of speech Self-Supervised Learning (SSL) models achieves impressive performance on Automatic Speech Recognition (ASR). However, in low-resource language ASR, they encounter the domain mismatch problem between pre-trained and…

Paralinguistic properties of speech are essential in analyzing and choosing optimal treatment options for patients with speech disorders. However, automatic modeling of these characteristics is difficult due to the lack of labeled speech…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-25 Jenthe Thienpondt , Geoffroy Vanderreydt , Abdessalem Hammami , Kris Demuynck

Building Automatic Speech Recognition (ASR) systems from scratch is significantly challenging, mostly due to the time-consuming and financially-expensive process of annotating a large amount of audio data with transcripts. Although several…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-22 Mengli Cheng , Chengyu Wang , Xu Hu , Jun Huang , Xiaobo Wang

Overlapping speech remains a major challenge for automatic speech recognition (ASR) in real-world applications, particularly in broadcast media with dynamic, multi-speaker interactions. We propose a light-weight, target-speaker-based…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-26 Aleš Pražák , Marie Kunešová , Josef Psutka

Sparse representation models a signal as a linear combination of a small number of dictionary atoms. As a generative model, it requires the dictionary to be highly redundant in order to ensure both a stable high sparsity level and a low…

Computer Vision and Pattern Recognition · Computer Science 2015-06-23 Xiaoxia Sun , Nasser M. Nasrabadi , Trac D. Tran