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We present a novel Automatic Speech Recognition (ASR) dataset for the Oromo language, a widely spoken language in Ethiopia and neighboring regions. The dataset was collected through a crowd-sourcing initiative, encompassing a diverse range…

Computation and Language · Computer Science 2025-02-04 Turi Abu , Ying Shi , Thomas Fang Zheng , Dong Wang

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

This paper addresses the challenge of integrating low-resource languages into multilingual automatic speech recognition (ASR) systems. We introduce a novel application of weighted cross-entropy, typically used for unbalanced datasets, to…

Automatic speech recognition (ASR) systems have achieved near-human accuracy on curated benchmarks, yet still fail in real-world voice agents under conditions that current evaluations do not systematically cover. Without diagnostic tools…

Artificial Intelligence · Computer Science 2026-03-27 Geeyang Tay , Wentao Ma , Jaewon Lee , Yuzhi Tang , Daniel Lee , Weisu Yin , Dongming Shen , Silin Meng , Yi Zhu , Mu Li , Alex Smola

Recent advances in text-to-speech (TTS) led to the development of flexible multi-speaker end-to-end TTS systems. We extend state-of-the-art attention-based automatic speech recognition (ASR) systems with synthetic audio generated by a TTS…

Computation and Language · Computer Science 2020-02-18 Nick Rossenbach , Albert Zeyer , Ralf Schlüter , Hermann Ney

State-of-the-art automatic speech recognition (ASR) systems are trained with tens of thousands of hours of labeled speech data. Human transcription is expensive and time consuming. Factors such as the quality and consistency of the…

Machine Learning · Computer Science 2022-07-05 Dongseong Hwang , Khe Chai Sim , Zhouyuan Huo , Trevor Strohman

We present DRES: a 1.5-hour Dutch realistic elicited (semi-spontaneous) speech dataset from 80 speakers recorded in noisy, public indoor environments. DRES was designed as a test set for the evaluation of state-of-the-art (SOTA) automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-11 Dimme de Groot , Yuanyuan Zhang , Jorge Martinez , Odette Scharenborg

We present an approach to reduce the performance disparity between geographic regions without degrading performance on the overall user population for ASR. A popular approach is to fine-tune the model with data from regions where the ASR…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-09 Viet Anh Trinh , Pegah Ghahremani , Brian King , Jasha Droppo , Andreas Stolcke , Roland Maas

Recent advances in automatic speech recognition (ASR) have achieved accuracy levels comparable to human transcribers, which led researchers to debate if the machine has reached human performance. Previous work focused on the English…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-30 Amir Hussein , Shinji Watanabe , Ahmed Ali

Recent research has shown that state-of-the-art (SotA) Automatic Speech Recognition (ASR) systems, such as Whisper, often exhibit predictive biases that disproportionately affect various demographic groups. This study focuses on identifying…

Computation and Language · Computer Science 2024-11-15 Rik Raes , Saskia Lensink , Mykola Pechenizkiy

This work investigates how emotional speech and generative strategies affect ASR performance. We analyze speech synthesized from three emotional TTS models and find that substitution errors dominate, with emotional expressiveness varying…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-29 Ya-Tse Wu , Chi-Chun Lee

Speech technologies are transforming interactions across various sectors, from healthcare to call centers and robots, yet their performance on African-accented conversations remains underexplored. We introduce Afrispeech-Dialog, a benchmark…

As human-machine voice interfaces provide easy access to increasingly intelligent machines, many state-of-the-art automatic speech recognition (ASR) systems are proposed. However, commercial ASR systems usually have poor performance on…

Computation and Language · Computer Science 2023-09-28 Yanan Jia

Although modern automatic speech recognition (ASR) systems can achieve high performance, they may produce errors that weaken readers' experience and do harm to downstream tasks. To improve the accuracy and reliability of ASR hypotheses, we…

Audio and Speech Processing · Electrical Eng. & Systems 2022-01-11 Jing Du , Shiliang Pu , Qinbo Dong , Chao Jin , Xin Qi , Dian Gu , Ru Wu , Hongwei Zhou

Automatic speech recognition (ASR) systems play a key role in many commercial products including voice assistants. Typically, they require large amounts of clean speech data for training which gives an undue advantage to large organizations…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-21 Bhavya Ghai , Buvana Ramanan , Klaus Mueller

The development of resource-constrained approaches to automatic speech recognition (ASR) is of great interest due to its broad applicability to many low-resource languages for which there is scant usable data. Existing approaches to many…

Computation and Language · Computer Science 2026-03-17 Emma Rafkin , Dan DeGenaro , Xiulin Yang

Speech conveys not only linguistic information but also rich non-verbal vocal events such as laughing and crying. While semantic transcription is well-studied, the precise localization of non-verbal events remains a critical yet…

Computation and Language · Computer Science 2026-01-09 Chenchen Yang , Kexin Huang , Liwei Fan , Qian Tu , Botian Jiang , Dong Zhang , Linqi Yin , Shimin Li , Zhaoye Fei , Qinyuan Cheng , Xipeng Qiu

The pursuit of a "unified" discrete token for both speech understanding and generation has led the Speech Language Model (SLM) community to heavily rely on Word Error Rate (WER) -- the core metric for Whisper-style tokenizers -- as the…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-29 Xiangyu Zhang , Yuxin Li , Haoyang Zhang , Shiqi Han , Hexin Liu , Qiquan Zhang , Beena Ahmed , Julien Epps

New-age conversational agent systems perform both speech emotion recognition (SER) and automatic speech recognition (ASR) using two separate and often independent approaches for real-world application in noisy environments. In this paper,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-29 Lokesh Bansal , S. Pavankumar Dubagunta , Malolan Chetlur , Pushpak Jagtap , Aravind Ganapathiraju

Despite the tremendous success of automatic speech recognition (ASR) with the introduction of deep learning, its performance is still unsatisfactory in many real-world multi-talker scenarios. Speaker separation excels in separating…

Sound · Computer Science 2025-03-25 Yufeng Yang , Hassan Taherian , Vahid Ahmadi Kalkhorani , DeLiang Wang