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In this paper, we explore automatic prediction of dialect density of the African American English (AAE) dialect, where dialect density is defined as the percentage of words in an utterance that contain characteristics of the non-standard…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-05 Alexander Johnson , Kevin Everson , Vijay Ravi , Anissa Gladney , Mari Ostendorf , Abeer Alwan

Accents play a pivotal role in shaping human communication, enhancing our ability to convey and comprehend messages with clarity and cultural nuance. While there has been significant progress in Automatic Speech Recognition (ASR),…

Computation and Language · Computer Science 2025-06-24 Bonaventure F. P. Dossou

The performance of voice-controlled systems is usually influenced by accented speech. To make these systems more robust, the frontend accent recognition (AR) technologies have received increased attention in recent years. As accent is a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-06 Zhan Zhang , Xi Chen , Yuehai Wang , Jianyi Yang

This work explores fine-tuning OpenAI's Whisper automatic speech recognition (ASR) model for Amharic, a low-resource language, to improve transcription accuracy. While the foundational Whisper model struggles with Amharic due to limited…

Improving the representation of contextual information is key to unlocking the potential of end-to-end (E2E) automatic speech recognition (ASR). In this work, we present a novel and simple approach for training an ASR context mechanism with…

Audio and Speech Processing · Electrical Eng. & Systems 2018-10-30 Uri Alon , Golan Pundak , Tara N. Sainath

Many existing works on voice conversion (VC) tasks use automatic speech recognition (ASR) models for ensuring linguistic consistency between source and converted samples. However, for the low-data resource domains, training a high-quality…

Sound · Computer Science 2023-05-25 Mayank Kumar Singh , Naoya Takahashi , Onoe Naoyuki

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

Audio Adversarial Examples (AAE) represent specially created inputs meant to trick Automatic Speech Recognition (ASR) systems into misclassification. The present work proposes MP3 compression as a means to decrease the impact of Adversarial…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Iustina Andronic , Ludwig Kürzinger , Edgar Ricardo Chavez Rosas , Gerhard Rigoll , Bernhard U. Seeber

There is increasingly more evidence that automatic speech recognition (ASR) systems are biased against different speakers and speaker groups, e.g., due to gender, age, or accent. Research on bias in ASR has so far primarily focused on…

Computation and Language · Computer Science 2025-07-09 Tanvina Patel , Wiebke Hutiri , Aaron Yi Ding , Odette Scharenborg

Previous studies have confirmed that by augmenting acoustic features with the place/manner of articulatory features, the speech enhancement (SE) process can be guided to consider the broad phonetic properties of the input speech when…

Sound · Computer Science 2023-06-21 Yen-Ju Lu , Chia-Yu Chang , Cheng Yu , Ching-Feng Liu , Jeih-weih Hung , Shinji Watanabe , Yu Tsao

Automatic Speech Recognition (ASR) systems generalize poorly on accented speech. The phonetic and linguistic variability of accents present hard challenges for ASR systems today in both data collection and modeling strategies. The resulting…

In this paper, we propose a self-training approach for automatic speech recognition (ASR) for low-resource settings. While self-training approaches have been extensively developed and evaluated for high-resource languages such as English,…

Computation and Language · Computer Science 2023-08-11 Satwinder Singh , Feng Hou , Ruili Wang

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, self-supervised pre-training has gained success in automatic speech recognition (ASR). However, considering the difference between speech accents in real scenarios, how to identify accents and use accent features to improve ASR is…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-16 Keqi Deng , Songjun Cao , Long Ma

Automatic speech recognition (ASR) outcomes serve as input for downstream tasks, substantially impacting the satisfaction level of end-users. Hence, the diagnosis and enhancement of the vulnerabilities present in the ASR model bear…

Computation and Language · Computer Science 2024-01-29 Seonmin Koo , Chanjun Park , Jinsung Kim , Jaehyung Seo , Sugyeong Eo , Hyeonseok Moon , Heuiseok Lim

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

In this paper, we present our overall efforts to improve the performance of a code-switching speech recognition system using semi-supervised training methods from lexicon learning to acoustic modeling, on the South East Asian…

Computation and Language · Computer Science 2018-06-19 Pengcheng Guo , Haihua Xu , Lei Xie , Eng Siong Chng

Pre-trained automatic speech recognition (ASR) models have demonstrated strong performance on a variety of tasks. However, their performance can degrade substantially when the input audio comes from different recording channels. While…

Sound · Computer Science 2025-08-25 Kuan-Tang Huang , Li-Wei Chen , Hung-Shin Lee , Berlin Chen , Hsin-Min Wang

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) for African languages remains constrained by limited labeled data and the lack of systematic guidance on model selection, data scaling, and decoding strategies. Large pre-trained systems such as Whisper,…