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Automatic speech recognition (ASR) has benefited from advances in pretrained speech and language models, yet most systems remain constrained to monolingual settings and short, isolated utterances. While recent efforts in context-aware ASR…

计算与语言 · 计算机科学 2026-03-09 Yuchen Zhang , Haralambos Mouratidis , Ravi Shekhar

The awareness for biased ASR datasets or models has increased notably in recent years. Even for English, despite a vast amount of available training data, systems perform worse for non-native speakers. In this work, we improve an…

计算与语言 · 计算机科学 2023-03-03 Philipp Klumpp , Pooja Chitkara , Leda Sarı , Prashant Serai , Jilong Wu , Irina-Elena Veliche , Rongqing Huang , Qing He

Local dialects influence people to pronounce words of the same language differently from each other. The great variability and complex characteristics of accents creates a major challenge for training a robust and accent-agnostic automatic…

音频与语音处理 · 电气工程与系统科学 2020-03-05 Genta Indra Winata , Samuel Cahyawijaya , Zihan Liu , Zhaojiang Lin , Andrea Madotto , Peng Xu , Pascale Fung

Transfer learning from high-resource languages is known to be an efficient way to improve end-to-end automatic speech recognition (ASR) for low-resource languages. Pre-trained or jointly trained encoder-decoder models, however, do not share…

音频与语音处理 · 电气工程与系统科学 2020-10-12 Changhan Wang , Juan Pino , Jiatao Gu

Speech recognition models often obtain degraded performance when tested on speech with unseen accents. Domain-adversarial training (DAT) and multi-task learning (MTL) are two common approaches for building accent-robust ASR models. ASR…

音频与语音处理 · 电气工程与系统科学 2021-10-11 Jialu Li , Vimal Manohar , Pooja Chitkara , Andros Tjandra , Michael Picheny , Frank Zhang , Xiaohui Zhang , Yatharth Saraf

Accent conversion has rapidly progressed alongside growing interest in improving global cross-cultural communication. This survey presents an overview of the evolution of accent conversion methodologies, analyzing how the field has…

声音 · 计算机科学 2026-05-01 Yurii Halychanskyi , Jianfeng Steven Guo , Volodymyr Kindratenko

While improvements have been made in automatic speech recognition performance over the last several years, machines continue to have significantly lower performance on accented speech than humans. In addition, the most significant…

音频与语音处理 · 电气工程与系统科学 2021-04-13 Xiangyun Chu , Elizabeth Combs , Amber Wang , Michael Picheny

General accent recognition (AR) models tend to directly extract low-level information from spectrums, which always significantly overfit on speakers or channels. Considering accent can be regarded as a series of shifts relative to native…

声音 · 计算机科学 2022-07-04 Qijie Shao , Jinghao Yan , Jian Kang , Pengcheng Guo , Xian Shi , Pengfei Hu , Lei Xie

Crafting an effective Automatic Speech Recognition (ASR) solution for dialects demands innovative approaches that not only address the data scarcity issue but also navigate the intricacies of linguistic diversity. In this paper, we address…

音频与语音处理 · 电气工程与系统科学 2023-09-26 Ahmed Amine Ben Abdallah , Ata Kabboudi , Amir Kanoun , Salah Zaiem

Speaker adaptation, which involves cloning voices from unseen speakers in the Text-to-Speech task, has garnered significant interest due to its numerous applications in multi-media fields. Despite recent advancements, existing methods often…

音频与语音处理 · 电气工程与系统科学 2024-07-09 Ruibo Fu , Xin Qi , Zhengqi Wen , Jianhua Tao , Tao Wang , Chunyu Qiang , Zhiyong Wang , Yi Lu , Xiaopeng Wang , Shuchen Shi , Yukun Liu , Xuefei Liu , Shuai Zhang

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,…

The pervasiveness of intra-utterance code-switching (CS) in spoken content requires that speech recognition (ASR) systems handle mixed language. Designing a CS-ASR system has many challenges, mainly due to data scarcity, grammatical…

计算与语言 · 计算机科学 2023-01-12 Amir Hussein , Shammur Absar Chowdhury , Ahmed Abdelali , Najim Dehak , Ahmed Ali , Sanjeev Khudanpur

Modern Automatic Speech Recognition (ASR) technology has evolved to identify the speech spoken by native speakers of a language very well. However, identification of the speech spoken by non-native speakers continues to be a major challenge…

音频与语音处理 · 电气工程与系统科学 2020-05-19 Afroz Ahamad , Ankit Anand , Pranesh Bhargava

Accented automatic speech recognition (ASR) often degrades due to the limited availability of accented training data. Prior work has explored accent modeling in low-resource settings, but existing approaches typically require minutes to…

Despite the recent advancements in Automatic Speech Recognition (ASR), the recognition of accented speech still remains a dominant problem. In order to create more inclusive ASR systems, research has shown that the integration of accent…

计算与语言 · 计算机科学 2023-05-30 Juan Zuluaga-Gomez , Sara Ahmed , Danielius Visockas , Cem Subakan

Africa has a very low doctor-to-patient ratio. At very busy clinics, doctors could see 30+ patients per day -- a heavy patient burden compared with developed countries -- but productivity tools such as clinical automatic speech recognition…

Current translation systems, despite being highly multilingual, cover only 5% of the world's languages. Expanding language coverage to the long-tail of low-resource languages requires data-efficient methods that rely on cross-lingual and…

计算与语言 · 计算机科学 2025-06-02 Ioannis Tsiamas , David Dale , Marta R. Costa-jussà

We present a Conformer-based end-to-end neural diarization (EEND) model that uses both acoustic input and features derived from an automatic speech recognition (ASR) model. Two categories of features are explored: features derived directly…

计算与语言 · 计算机科学 2022-07-13 Aparna Khare , Eunjung Han , Yuguang Yang , Andreas Stolcke

With the advent of globalization, there is an increasing demand for multilingual automatic speech recognition (ASR), handling language and dialectal variation of spoken content. Recent studies show its efficacy over monolingual systems. In…

计算与语言 · 计算机科学 2021-07-06 Shammur Absar Chowdhury , Amir Hussein , Ahmed Abdelali , Ahmed Ali

We propose a first step toward multilingual end-to-end automatic speech recognition (ASR) by integrating knowledge about speech articulators. The key idea is to leverage a rich set of fundamental units that can be defined "universally"…

音频与语音处理 · 电气工程与系统科学 2023-09-19 Hao Yen , Sabato Marco Siniscalchi , Chin-Hui Lee